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Statements

Subject Item
dbr:Phase_detector_characteristic
rdf:type
yago:WikicatElectronicCircuits yago:Detector103180969 yago:PhysicalEntity100001930 yago:Device103183080 yago:Object100002684 dbo:Disease yago:WikicatDetectors yago:Artifact100021939 yago:Instrumentality103575240 yago:Whole100003553 yago:Circuit103033362 yago:ElectricalDevice103269401
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鑒相器特性函數 Phase detector characteristic
rdfs:comment
A phase detector characteristic is a function of phase difference describing the output of the phase detector. For the analysis of Phase detector it is usually considered the modelsof PD in signal (time) domain and phase-frequency domain.In this case for constructing of an adequate nonlinear mathematical model of PD in phase-frequency domain it is necessary to find the characteristic of phase detector.The inputs of PD are high-frequency signals and the output contains a low-frequency error correction signal, corresponding to a phase difference of input signals. For the suppression of high-frequency component of the output of PD (if such component exists) a low-pass filter is applied. Thecharacteristic of PD is the dependence of the signal at theoutput of PD (in the phase-frequency domain) 鑒相器特性函數（phase detector characteristic）是相位差的函數，可以描述鉴相器的輸出。 在鑒相器的分析時，常需要考慮時域以及相域-時域的特性。若要建立鑒相器在相域-時域的適合非線性數學模型，需要找到鑒相器的特性。鑒相器的輸入是高頻信號，其輸出包括低頻的誤差修正信號，對應輸入信號的相位差。若鑒相器的輸出有高頻成份，為了要抑制高頻成份，會需要低通濾波器。鑒相器的特性是指鑒相器在相域-時域的輸出和其輸入相位差的相關性。 鑒相器的特性和其實現方式以及其使用的信號種類有關。考量鑒相器特性時，允許針對高頻振盪使用平均法，也允許從時域下從相位同步系統非自治模型的分析和仿真，改為在相域-時域自治模型的分析和仿真。
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A phase detector characteristic is a function of phase difference describing the output of the phase detector. For the analysis of Phase detector it is usually considered the modelsof PD in signal (time) domain and phase-frequency domain.In this case for constructing of an adequate nonlinear mathematical model of PD in phase-frequency domain it is necessary to find the characteristic of phase detector.The inputs of PD are high-frequency signals and the output contains a low-frequency error correction signal, corresponding to a phase difference of input signals. For the suppression of high-frequency component of the output of PD (if such component exists) a low-pass filter is applied. Thecharacteristic of PD is the dependence of the signal at theoutput of PD (in the phase-frequency domain) on the difference of phases at the input of PD. This characteristic of PD depends on the realization of PD and the types of waveforms of signals. Consideration of PD characteristic allows to apply averaging methods for high frequency oscillations and to pass from analysis and simulation of non autonomous models of phase synchronization systems in time domain to analysis and simulation of autonomous dynamical models in phase-frequency domain . 鑒相器特性函數（phase detector characteristic）是相位差的函數，可以描述鉴相器的輸出。 在鑒相器的分析時，常需要考慮時域以及相域-時域的特性。若要建立鑒相器在相域-時域的適合非線性數學模型，需要找到鑒相器的特性。鑒相器的輸入是高頻信號，其輸出包括低頻的誤差修正信號，對應輸入信號的相位差。若鑒相器的輸出有高頻成份，為了要抑制高頻成份，會需要低通濾波器。鑒相器的特性是指鑒相器在相域-時域的輸出和其輸入相位差的相關性。 鑒相器的特性和其實現方式以及其使用的信號種類有關。考量鑒相器特性時，允許針對高頻振盪使用平均法，也允許從時域下從相位同步系統非自治模型的分析和仿真，改為在相域-時域自治模型的分析和仿真。
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