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1 Understanding Frequency Accuracy in Crystal Controlled ...
https://www.testworld.com/wp-content/uploads/understanding-frequency-accuracy-in-crystal-controlled-instruments.pdf
Time base aging rate varies from about 1x10-7/month for a typical TCXO to 1x10-10/day for a very high quality OCXO. Mechanical Shock and vibration. As discussed ...
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2 Causes of Crystal Aging in Oscillators | CTS Corporation
https://www.ctscorp.com/wp-content/uploads/Causes-of-crystal-aging-in-oscillators.pdf
Aging is defined as frequency change with time and generally exhibits an exponential positive, ... the aging rate and frequency as before the interruption.
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3 What is Aging of a Crystal Oscillator? - everything RF
https://www.everythingrf.com/community/what-is-aging-of-a-crystal-oscillator
A small change in the frequency of a quartz crystal over a period of time is called as aging. This effect is always kept in consideration ...
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4 Aging, warm-up time and retrace: important characteristics of ...
https://tf.nist.gov/general/pdf/979.pdf
The present report covers the subject of aging, warm-up time and retrace. The frequency of a typical precision frequency source may vary with time as shown in ...
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5 Crystal Aging and a Counter-Intuitive Tip to Improve System ...
https://blog.bliley.com/crystal-aging-and-a-counter-intuitive-tip-to-improve-system-preformance
Using these measurements, frequency control manufacturers can project the aging rate of their devices over the entire life span of a system up ...
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6 Aging and Retrace in Oven Controlled Crystal Oscillators
https://www.vectron.com/products/literature_library/tutorial_on_aging_and_retrace.pdf
depends upon the oscillator frequency and crystal cut along with the specified aging rate. Typical aging durations vary from less than a week to several ...
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7 Quartz Crystal Ageing: Long Term Stability & Accuracy
https://www.electronics-notes.com/articles/electronic_components/quartz-crystal-xtal/crystal-resonator-ageing.php
As expected the rates of change of the crystal frequency vary with the time after manufacture. The maximum rate of change of frequency occurs immediately after ...
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8 Aging Performance in Crystals - Connor-Winfield
http://www.conwin.com/pdfs/aging_perf_crystals.pdf
Crystals age at a fast rate early in their lives, but tend to settle down with time. Table 1. Mass transfer. Quartz crystals change frequency as mass is ...
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9 Ext Aging Perf Results - MTI-Milliren Technologies Inc.
http://www.mti-milliren.com/MTIPapers/Ext_Aging_Perf_Results.pdf
period of time necessary to meet the aging rate specification. TCXOs are seldom aged at all due ... frequency perturbations is not the norm and represents a.
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10 Long-Term Frequency Aging for Unpowered Space-Class ...
https://www.researchgate.net/publication/224611111_Long-Term_Frequency_Aging_for_Unpowered_Space-Class_Oscillators
Normalized aging rate for different frequencies as a function of temperature. (a) Linear scale vs T. (b) Log scale vs T. (c) Log scale vs 1/T. The line is a ...
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11 What is Quartz Aging? - ECS Inc. International
https://ecsxtal.com/news-resources/video-learning/126-everything-you-need-to-know-about-quartz-crystal-resonators/132-understanding-quartz-aging
› 132-understanding-quartz-aging
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12 Selection and Specification of Crystals for Texas Instruments ...
https://www.ti.com/lit/pdf/slla122
Every USB high-speed application must support a data rate of 480 Mb/s within ±500 ... frequency tolerance, temperature, aging, crystal capacitive loading, ...
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13 Tips for making more accurate measurements with ... - Keysight
https://www.keysight.com/us/en/lib/resources/training-materials/tips-for-making-more-accurate-measurements-with-a-frequency-counter-505277.html
Six tips for making accurate frequency measurements. ... When you remove power from the counter, however briefly, the aging rate must start over from the ...
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14 M. Bsrnstein - IEEE Xplore
https://ieeexplore.ieee.org/iel5/10303/32736/01536652.pdf
aging rates of frequency of the order of. 1 x 10 -8 /week. Instrumentation ... aging rate for each type of crystal holder will be shown. INTROIXTCTION.
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15 Understanding Frequency Accuracy in Crystal ... - RELD
https://reld.phys.strath.ac.uk/local/manuals/Anritsu-freq_accuracy.pdf
A frequency generation or measurement instrument must contain an internal frequency ... for other parameters, such as aging rate. So, besides better.
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16 Long term aging of oscillators - Zenodo
https://zenodo.org/record/1268245/files/article.pdf
f, is the f i t frequency, measuted (at time to), mi the ... to indicate that the aging rate is constant but is included to facilitate comparison of aging ...
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17 Age-related decline in rate of torque development is ... - PubMed
https://pubmed.ncbi.nlm.nih.gov/18174392/
As the notch was widened performance improved for both types of signal but the rate of improvement decreased as the age of the 16 listeners increased from 23 to ...
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18 Frequency Measurement Guidelines for Oscillators - SiTime
https://www.sitime.com/api/gated/AN10033-Frequency-Measurement-Guidelines-for-Oscillators.pdf
1 to 5 ppm frequency stability and a few ppm/year aging rate. An error introduced by the frequency reference will add an error to the measurement results.
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19 AD-A248 503 - DTIC
https://apps.dtic.mil/sti/pdfs/ADA248503.pdf
atomic frequency standard, stability, aging, noise, phase noise. 16. PRICE CODe ... aging rate had increased significantly upon the restart.
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20 Quartz Resonator & Oscillator Tutorial - Pletronics
https://www.pletronics.com/wp-content/uploads/2022/06/Vig-tutorial-8.5.2.0.ppt
Whereas a high stability, ovenized 10 MHz voltage controlled oscillator may have a frequency adjustment range of 5 x 10-7 and an aging rate of 2 x 10-8 per ...
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21 Frequency standards and clocks : a tutorial introduction (2d ...
https://www.govinfo.gov/content/pkg/GOVPUB-C13-0e4c91412fe3ae93ad3c4236439837a0/pdf/GOVPUB-C13-0e4c91412fe3ae93ad3c4236439837a0.pdf
ones with the lowest aging rate cost more than $1000, have a volume of a few hundred cubic centimeters, and require a power of several watts.
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22 Frequency Counter Aging Rate - EEVblog
https://www.eevblog.com/forum/beginners/frequency-counter-aging-rate/
The temp dependance is +/-5x10^-7 (0.5ppm) The aging rate is +/-3x10^-7 / Mo. Based on the manual I will assume the device was manufactured in ...
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23 Introduction to Quartz Frequency Standards - Aging
http://rfsilicon.com/home/modeling/quartz/quartz/vigaging.htm
A reversal indicates the presence of at least two aging mechanisms. The aging rate of an oscillator is highest when it is first turned on.
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24 Introduction to quartz frequency standards | IEEE UFFC
https://ieee-uffc.org/files/ieeeuffcorg/2021-12/Introquartzfrequencystandards.pdf
The aging rate of an oscillator is highest when it is first turned on. When the temperature of a crystal unit is changed (e.g., when an OCXO is turned off and ...
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25 APPLICATION NOTES - Abracon
https://abracon.com/Support/qtzcry_glossary.pdf
C0/C1 ratio of the crystal unit, and the inductance L1. In parallel ... Aging: The relative frequency change over a certain period of time and.
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26 Fractal Analysis and the Effect of Aging on the Heart Rate and ...
https://link.springer.com/chapter/10.1007/978-3-642-27183-0_46
Classical methods of analysing time-series, such as time and frequency domain analysis have been widely used in the area of physiological...
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27 Oscillator Archives - TAITIEN ELECTRONICS CO.,LTD
https://www.taitien.com/feature/high-frequency/oscillator
Furthermore, the frequency aging rate is only ±5 ppm/year including the consideration of the aging effects of components. This will greatly improve the ...
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28 Speaking Rate and Fundamental Frequency as Speech Cues ...
https://www.sciencedirect.com/science/article/pii/S0892199706000889
As stated, prior work has shown that listeners can accurately gauge speaker age, with correlations between chronologic and perceived age ranging from r = 0.68 ...
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29 Differences in the frequency of subjective geriatric complaints ...
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0263889
To show aging-related changes in 13 SGCs, the frequency (%) of symptoms ... Rates of depression did not change across age groups (Table 1).
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30 AN266 VCXO TUNING SLOPE (KV), STABILITY ... - Skyworks
https://www.skyworksinc.com/-/media/Skyworks/SL/documents/public/application-notes/AN266.pdf
function of the VCXO's total frequency stability and the ... ±1.5 ppm, and an aging specification of ±10 ppm total for 15 years.
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31 Crystal oscillator - Wikipedia
https://en.wikipedia.org/wiki/Crystal_oscillator
A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. ... AgingEdit.
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32 PRS10 - Rubidium Frequency Standard - thinkSRS.com
https://www.thinksrs.com/products/prs10.html
Its low aging rate makes it an excellent timebase for precision frequency measurements. The PRS10 can time-tag an external 1 pps input with 1 ns resolution.
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33 Age-Related Changes in Interaural-Level-Difference-Based ...
https://www.frontiersin.org/articles/10.3389/fnagi.2022.887401/full
There appears to be stronger high-frequency rate limitations with increasing age for modulated high-frequency signals (Anderson et al., ...
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34 Section 3: Mortality Frequency Measures - CDC
https://www.cdc.gov/csels/dsepd/ss1978/lesson3/section3.html
Age-adjusted mortality rate: a mortality rate statistically modified to eliminate the effect of different age distributions in the different populations. Age- ...
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35 PRECISION QUARTZ OSCILLATORS AND THEIR USE ...
https://www.jhuapl.edu/content/techdigest/pdf/V15-N01/15-01-Norton.pdf
as frequency stability, environmental immunity, phase noise, aging rate, size, mass, and cost. The. Laboratory's expertise in designing ultras table ...
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36 NUREG/CR-5510, "Evaluations of Core Melt Frequency ...
https://www.nrc.gov/docs/ML0403/ML040350073.pdf
four different aging rate data bases that were used. The two figures show the large differences in core melt frequency increases that result from the ...
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37 10 Hints For Getting The Most From Your Frequency Counter
https://assets.testequity.com/te1/Documents/ARTICLE_LIBRARY/Keysight%20-%2010%20Hints%20for%20Getting%20the%20Most%20from%20Your%20Frequency%20Counter.pdf
(such as the aging rate of the timebase). 3. The input signal clarity and level of noise. 4. Counter set-up and configuration.
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38 NuDerma Portable Handheld High Frequency Skin Therapy ...
https://www.amazon.com/NuDerma-Skin-Therapy-Wand-Tightening/dp/B06W5PD1KY
Amazon.com: NuDerma Portable Handheld High Frequency Skin Therapy Wand Machine w/Neon – Anti-Aging - Skin Tightening - Wrinkle Reducing - Dark Circles ...
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39 Age-related decline in rate of torque development is ...
https://journals.physiology.org/doi/10.1152/japplphysiol.00550.2007
These age-related changes during fast voluntary contractions were accompanied by a decline (P < 0.001) in motor unit discharge frequency (19, 28, and 34% for ...
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40 Frequency Accuracy & Stability Dependencies of Crystal ...
http://kunz-pc.sce.carleton.ca/thesis/CrystalOscillators.pdf
In low-frequency quartz crystal resonators, when the vibration mode is face-shear, the aging rate is the lowest. The aging rate is higher in the case of ...
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41 The 8 Most Important (and Fundamental) Oscillator Parameters
https://www.highfrequencyelectronics.com/index.php?option=com_content&view=article&id=2281:the-8-most-important-and-fundamental-oscillator-parameters&catid=191&Itemid=189
It is the repetition rate (cycle) of the signal output from the oscillator ... It may also include frequency aging over time, solder down frequency shift, ...
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42 Measures of Disease Frequency - SPH
https://sphweb.bumc.bu.edu/otlt/mph-modules/ep/ep713_diseasefrequency/ep713_diseasefrequency_print.html
age-specific rates. Be able to define and calculate the following special types of frequency measurements: morbidity rate. mortality rate.
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43 new features of different frequency generating systems due
https://ntrs.nasa.gov/api/citations/19850020919/downloads/19850020919.pdf
reliabiltty and low price, as opposed to oore sophisticated frequency generators ... Considering the typical aging of the oscillator below l0-ll/day, the.
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44 Measuring clock and oscillator frequency
https://www.testandmeasurementtips.com/measuring-clock-oscillator-frequency/
Temperature and component aging also cause frequency drift. ... slice of a signal (typically up to 1 msec) at their maximum sampling rate.
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45 Time and Frequency Measurements - Stable32
http://www.wriley.com/Time%20and%20Frequency%20Measurements.pdf
parameters are closely related since frequency is the rate of change of phase (time). ... Aging refers to a slow change in frequency due to internal effects.
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46 TCXO RTC Hats: aging & RTC frequency - Dan's notes
https://blog.dan.drown.org/tcxo-rtc-hats-aging-rtc-frequency/
This range is my clock's uncertainty. The situation is slightly better than that, as 24 hour periods have a smaller range. Also, the aging is ...
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47 critical ratio, the audiogram, and speech threshold
https://asa.scitation.org/doi/pdf/10.1121/1.388652
The deterioration of hearing with age: Frequency selectivity, the critical ratio, the audiogram, and speech threshold. Roy D. Patterson, •) lan Nimmo-Smith, ...
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48 Digitally temperature compensated voltage-controlled ...
https://patents.google.com/patent/US5912595A/en
The use of piezoelectric crystals, such as quartz, as frequency standards ... an approximately logarithmic dependence on time and aging rate decreases as ...
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49 Analysis of Frequency Stability for Temperature Compensated ...
http://14.99.188.242:8080/jspui/bitstream/123456789/11033/1/1NH15EE705.pdf
crystal oscillator that uses this frequency stabilization technique is referred to as ... The aging rate is higher in the case of bending vibration and the.
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50 Quartz Crystal Resonators and Oscillators - VC America
https://www.vcamerica.com/pub/media/documents/technical%20library/Frequency%20Control%20Industry%20Reference/Quartz%20Crystal%20Resonators%20and%20Oscillators%20for%20Frequency%20Control%20and%20Timing%20Applications%20by%20John%20R.%20Vig.pdf
oscillator may have a frequency adjustment range of 5 x 10-7 and an aging rate of 2 x 10-8 per year, a wide tuning range 10 MHz VCXO may.
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51 Frequency Reference Comparison - Carmel Instruments
https://www.carmelinst.com/appnotes/Frequency_Reference_Comparison.pdf
frequency is 10 MHz and you are measuring a 50 MHz signal, what the instrument is really measuring is the ratio of the two ... Aging per Day. < 1x10-11.
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52 Frequency counter adds TCXO timebase - Embedded.com
https://www.embedded.com/frequency-counter-adds-tcxo-timebase/
The counter can measure frequency, period, pulse width, duty cycle and frequency ratio, as well as event counting (totalise). For frequency ...
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53 frequency stability Archive – Jauch Blog-Seite
https://www.jauch.com/blog/en/tag/frequency-stability/
Tagged under: aging, FCP, frequency control products, frequency stability, ... When energized, the thin quartz disc oscillates at a steady rate and thus ...
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54 PRECISION FREQUENCY SOURCES
https://www.k3emd.com/userSubmitted/PrecisionFrequency.pdf
Frequency. • Accuracy. • Stability. • Short term drift. • Long term drift (aging rate). • Purity. • Harmonic distortion. • Phase noise ...
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55 FS725 Rubidium Frequency Standard
http://research.physics.illinois.edu/bezryadin/labprotocol/FS725_Manual.pdf
The unit integrates an SRS PRS10 Rubidium Frequency Standard, a ... Also, the low aging rate makes it an excellent choice as a timebase for precision ...
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56 53200A Series RF/Universal Frequency Counter/Timers
https://www.mouser.com/datasheet/2/878/5990_6283EN-1143067.pdf
After the first 1-year of operation, use ½ x (30-day and 1-year) aging rates shown. 2. Additional temperature error is included in the time base uncertainty ...
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57 Evaluations of Core Melt if Frequency Effects Due to i ...
https://www.osti.gov/servlets/purl/6756739
To demonstrate the methodology four aging rate data bases were used, which ... different aging rates on the core melt frequency for a given maintenance and ...
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58 Variations in the frequency and amplitude of resting-state EEG ...
https://www.biorxiv.org/content/10.1101/2020.10.02.323840v1.full
We found that, with age, EEG power decreases in the low frequency band (1-12 Hz) but increases in the high frequency band (12-30 Hz). Moreover, ...
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59 Methods and evaluation of frequency aging in distributed ...
https://libra.unine.ch/export/DL/34435.pdf
frequency aging, can limit the spectral lifetime of the laser and finally also the instrument ... assumption of a frequency aging rate of −80μA=month or.
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60 Age-Related Hearing Loss (Presbycusis)
https://www.hopkinsmedicine.org/health/conditions-and-diseases/presbycusis
It's a common problem linked to aging. One in 3 adults over age 65 has hearing loss. Because of the gradual change in hearing, some people are not aware of the ...
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61 Speaking Rate and Fundamental ... - Journal of Voice
https://www.jvoice.org/article/S0892-1997(06)00088-9/pdf
that speaking rate, but possibly not fundamental frequency, is a perceptually relevant cue to age in voice. Key Words: Vocal aging—Acoustic analysis of ...
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62 PRS10 Rubidium Frequency Standard
https://www.testandmeasurement.com/doc/prs10-rubidium-frequency-standard-0001
The PRS10 is an ultra-low phase noise 10 MHz frequency standard. ... Its low aging rate makes it an excellent timebase for precision frequency measurements.
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63 Short-Term Stability of Miniature Double Oven Crystal ...
http://magicxtal.com/customer/Proceedings%20of%202003%20IEEE%20Frequency%20Control%20Symposium.PDF
Proceedings of the 2003 IEEE International Frequency Control Symposium and PDA Exhibition ... aging rate demands optimization of the sustaining.
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64 Risk Factors: Age - National Cancer Institute
https://www.cancer.gov/about-cancer/causes-prevention/risk/age
Advancing age is the most important risk factor for cancer overall and for many individual cancer types. The incidence rates for cancer ...
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65 Effects of Age and Hearing Loss on the Discrimination of ...
https://journals.sagepub.com/doi/full/10.1177/2331216519853963
Detection of frequency modulation (FM) with rate = 10 Hz may depend on conversion of FM to amplitude modulation (AM) in the cochlea, ...
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66 Minimize Frequency Drift In Crystals - Electronic Design
https://www.electronicdesign.com/technologies/analog/article/21798809/minimize-frequency-drift-in-crystals
After a year, the shift in frequency associated with 4 ppm may not trouble a system. But after five years, that drift could become a frequency ...
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67 Time, Frequency, Standard & Counter - HP Memory Project
https://hpmemoryproject.org/wb_pages/wall_b_page_01.htm
Even if frequency standards were among the very early HP productions, we reserved the opening ... and an aging rate of within +/- 3 parts in 10E9 per day.
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68 Frequency of Cardiac Rhythm Abnormalities in a Half Million ...
https://www.ahajournals.org/doi/10.1161/CIRCEP.118.006273
Methods: We determined the frequency of rhythm abnormalitie. ... Older age (hazard ratio [HR]: 2.35 per 10-year increase; 95% CI: 2.29–2.41; ...
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69 Cooking frequency may enhance survival in Taiwanese elderly
https://www.cambridge.org/core/journals/public-health-nutrition/article/cooking-frequency-may-enhance-survival-in-taiwanese-elderly/D3AC16340A7166FD2DF6E423283B4E2C
Highly frequent cooking (>5 times/week, compared with never) predicted survival (hazard ratio (HR) = 0·47; 95 % CI, 0·36, 0·61); with adjustment for physical ...
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70 Frequency Control Solutions for Military Applications
http://ww1.microchip.com/downloads/en/DeviceDoc/00003458B.pdf
From high-resolution radar, to accurate geolocation, to high data rate ... Aging g-Sensitivity. Mechanical Shock. Barometric Pressure. Humidity.
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71 Ejaculation Frequency and Risk of Prostate Cancer
https://www.europeanurology.com/article/S0302-2838(16)00377-8/pdf
Ejaculation frequency at age 40–49 yr was positively associated with ... The absolute PCa incidence rate for frequency at age.
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72 Quartz Crystals, Precision Oscillators and Custom Wound ...
https://www.tfc.co.uk/news.php?NewsID=32
This would be acceptable if long term stability issues such as ageing were not an issue, but as the rate of ageing increases the thinner the crystal becomes. A ...
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73 Changes in Speaking Fundamental Frequency Characteristics ...
https://www.karger.com/Article/Pdf/118510
Fundamental frequency Aging Acoustic analysis. Abstract ... and comfortable pitch, loudness, and speaking rate. All speech.
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74 Frequency and age effects of secondary health conditions in ...
https://www.nature.com/articles/sc2013112
The findings indicate that: (1) individuals with SCI experience a number of secondary health conditions, many of which occur at a higher rate in ...
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75 The ageing voice: changes in fundamental frequency ...
https://www.semanticscholar.org/paper/The-ageing-voice%3A-changes-in-fundamental-frequency%2C-Decoster-Debruyne/428fe2c2e1940389d6050ef983b70e57733b5eae
The values of jitter, shimmer and harmonics-to-noise ratio (measures of microstability of frequency, amplitude and waveform resp.) reflect a growing voice ...
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76 Ejaculation Frequency and Subsequent Risk of Prostate Cancer
https://jamanetwork.com/journals/jama/fullarticle/198487
Although the libido declines with age, sexual activity is common among 70-, 80-, ... Reported ejaculation frequency rates among men in our study are largely ...
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77 Quartz Crystal Resonators and Oscillators - ESCIES
https://escies.org/download/webDocumentFile?id=62209
For Frequency Control and Timing Applications - A TUTORIAL” ... have a tuning range of 50 ppm and an aging rate of 2 ppm per year.
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78 Frequency Standards. Rubidium & OXCO
http://www.ptsyst.com/index.php?Page=shop/category&ID=8
A full range of rubidium OXCO , GPS, GNSS frequency standards. ... The internal frequency reference has a daily aging rate of 2 x 10-10 per day.
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79 Changing Workforce Demographics and Workplace Injury ...
https://www.ncci.com/Articles/Documents/Insights-WorkforceDemographics.pdf
Incidence rates and causes of injury vary meaningfully by worker demographics. ▫. Younger prime‐age workers have lower injury frequency ...
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80 Neural mechanisms and time course of the age-related word ...
https://journal.psych.ac.cn/xlkxjz/EN/10.3724/SP.J.1042.2022.00333
In contrast, according to the Rank Frequency Account, the relative word frequency and the word frequency effect remain unchanged; thus, it can be deduced that ...
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81 Electronic Components: Oscillators - Suntsu Electronics
https://suntsu.com/products/suntsu/frequency-control/oscillators/
› ... › Suntsu › Frequency Control
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82 Server Failure Frequency Vs. Age: The Stats Are In!
https://singlesource-it.com/2021/08/23/server-failure-frequency-vs-age-the-stats-are-in/
Failure rates. When it comes to what's happening behind the server closet door, usually “no news is good news”.
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83 Effect of advancing age on inter-frequency amplitude ratio of ...
https://www.tandfonline.com/doi/full/10.1080/14992027.2021.1893840
Since IFAR is an amplitude-based parameter, and the amplitudes of oVEMP for different frequencies are differentially affected by ageing, IFAR ...
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84 Frequency of Price Adjustment and Pass-through | NBER
https://www.nber.org/papers/w14200
We exploit the open economy environment, which provides a well-identified and sizeable cost shock namely the exchange rate shock to shed light ...
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85 What Is High Frequency and Why Do We Use It?
https://laserskinsolutions.com.au/skin-problems/what-is-high-frequency-and-why-do-we-use-it/
This kind of treatment also can aid in shrinking pores, reducing signs of aging and stopping persistent acne in its tracks. What Is A High ...
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86 Skin Cancer Facts & Statistics
https://www.skincancer.org/skin-cancer-information/skin-cancer-facts/
1 in 5 Americans will develop skin cancer by the age of 70. ... When detected early, the 5-year survival rate for melanoma is 99 percent.
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87 GPS-BASED OPTIMAL KALMAN ESTIMATION OF TIME ...
http://time.kinali.ch/ptti/1999papers/paper37.pdf
frequency f, and estimate GV of its aging rate CL,, and to obtain the prediction 7,. Based on (l)-(S) we write [9]. 5” = IV% + no, 7.
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88 MEMS and crystal oscillator stability factors - Electronic Products
https://www.electronicproducts.com/mems-and-crystal-oscillator-stability-factors/
However, in highly temperature stable TCXOs, crystal aging becomes a significant factor in the oscillator's overall frequency error.
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89 Rubidium Atomic Frequency Standard (RAFS)
https://www.excelitas.com/file-download/download/public/59176?filename=___Space_Qualified_Rubidium_Atomic_Frequency_Standard__RAFS_.pdf
The low aging rate of <5x10-14/day is exceptionally smooth and modelable using either a log or diffusion fit to the data. A crystal oscillator at nominal 13.4 ...
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90 Thermal Hysteresis and Retrace
https://www.pe2bz.philpem.me.uk/Detect-Sense/-%20Sound-Vibration/Info-903-Piezo-Quartz/Intro-01/vighyst.htm
Back to "Dynamic Frequency versus Temperature Stability". ... About a month elapsed before the pre-turn-off aging rate was reached again.
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91 Fact Sheet: U.S. Dementia Trends | PRB
https://www.prb.org/resources/fact-sheet-u-s-dementia-trends/
The share of older people with dementia is decreasing 1% to 2.5% per year, depending on the time frame and age group examined. But as the large baby boomer ...
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92 Recognition and Frequency Judgments in Young and Elderly ...
https://www.jstor.org/stable/1422306
either a 5-s rate (Experiments 1 & 3) or a 1-s rate (Experiment 2), after which frequency-judgment and recognition memory tasks were adminis-.
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