Method and system for measuring g-sensitivity of quartz oscillators
A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequency of the quartz oscillator at a predetermined rate as a functio...
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| creator | Milyutin, Danila Svyatoslavovich Rogachkov, Sergey Viktorovich Zhodzishsky, Mark Isaakovich Beloglazov, Vladimir Victorovich Kurynin, Roman Valerievich Kuzmitchev, Vadim Borisovish |
| description | A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequency of the quartz oscillator at a predetermined rate as a function of time during rotation, and estimating an integral g-sensitivity vector while the quartz oscillator is rotated. Estimation can be performed utilizing a data fitting and estimation model, e.g., a Least Square Method (LSM) in one example, using the frequency measurements obtained while the quartz oscillator is in rotation around the axes. The method and system are especially useful for measuring g-sensitivity of quartz oscillators that are incorporated in high-precision systems, such as navigation receivers, which operate in environments that are subjected to vibrational effects and other mechanical forces. |
| format | Patent |
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Estimation can be performed utilizing a data fitting and estimation model, e.g., a Least Square Method (LSM) in one example, using the frequency measurements obtained while the quartz oscillator is in rotation around the axes. The method and system are especially useful for measuring g-sensitivity of quartz oscillators that are incorporated in high-precision systems, such as navigation receivers, which operate in environments that are subjected to vibrational effects and other mechanical forces.</description><language>eng</language><subject>AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES ; BASIC ELECTRONIC CIRCUITRY ; ELECTRICITY ; GENERATION OF NOISE BY SUCH CIRCUITS ; GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; PHYSICS ; TESTING</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201229&DB=EPODOC&CC=US&NR=10879908B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201229&DB=EPODOC&CC=US&NR=10879908B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Milyutin, Danila Svyatoslavovich</creatorcontrib><creatorcontrib>Rogachkov, Sergey Viktorovich</creatorcontrib><creatorcontrib>Zhodzishsky, Mark Isaakovich</creatorcontrib><creatorcontrib>Beloglazov, Vladimir Victorovich</creatorcontrib><creatorcontrib>Kurynin, Roman Valerievich</creatorcontrib><creatorcontrib>Kuzmitchev, Vadim Borisovish</creatorcontrib><title>Method and system for measuring g-sensitivity of quartz oscillators</title><description>A method and system are provided for estimating the g-sensitivity of a quartz oscillator, which includes rotating the quartz oscillator successively around each of a plurality of axes constituting a full-rank system, measuring a frequency of the quartz oscillator at a predetermined rate as a function of time during rotation, and estimating an integral g-sensitivity vector while the quartz oscillator is rotated. 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Estimation can be performed utilizing a data fitting and estimation model, e.g., a Least Square Method (LSM) in one example, using the frequency measurements obtained while the quartz oscillator is in rotation around the axes. The method and system are especially useful for measuring g-sensitivity of quartz oscillators that are incorporated in high-precision systems, such as navigation receivers, which operate in environments that are subjected to vibrational effects and other mechanical forces.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS TESTING |
| title | Method and system for measuring g-sensitivity of quartz oscillators |
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