第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb．2023项目来源:江西省教育厅科学技术研究项目(GJJ191096)收稿日期:2021－12－06修改日期:2022－06－26ＲesearchonCrosstalkAutoDetectionofHighPrecisionFiberOpticGyroscopeDetectionCircuit*CAIMeifang*(SchoolofArtificialIntelligence，NanchangInstituteofScienceandTechnology，NanchangJiangxi330038，China)Abstract:Intheapplicationoffiberopticgyrodetectioncircuit，duetotheinfluenceofselfdetectionscheme，therearemanytestvec-torsrequiredforcrosstalkfaultdetection．Therefore，amethodofcrosstalkselfdetectionofhigh-precisionfiberopticgyrodetectioncir-cuitisproposed．Thedigitalclosed-loopdetectionprincipleoffiberopticgyroscopeisanalyzed，andthecrosstalkcharacteristicsofthedetectioncircuitareextracted．Accordingtothecontinuoussignaldifferentialequationoftheclosed-loopcircuit，theequivalentanaloginputspeediscalculated．Combinedwiththedigitalstepwavealgorithm，thecircuitcrosstalkdetectionschemeisdesigned．Thedeadzonemeasurementresultoftheearthanglecrosstalkcomponentisobtained．Thesimulationresultsshowthatthenumberofvectorsoftheproposedcrosstalkselfdetectionmethodis46，whenthecrosstalkfaultcoverageis80%，comparedwiththecalculationmethodofcrosstalkuncertaintyofembedded“reflector”newresonantgyroscopeandmulticonductortransmissionline，whichreducesthecostofself-test．Keywords:fiberopticgyroscope;detectioncircuit;crosstalk;selfdetection;digitalstepwave;deadzonemeasurementEEACC:7220doi:10．3969/j．issn．1005－9490．2023．01．012高精度光纤陀螺检测电路串扰自检测研究*蔡美芳*(南昌工学院人工智能学院学院，江西南昌330038)摘要:光纤陀螺检测电路应用过程中，受到自检测方案的影响，导致串扰故障检测所需测试矢量较多。因此，提出高精度光纤陀螺检测电路串扰自检测研究。分析光纤陀螺数字闭环检测原理，并提取检测电路串扰特征。根据闭环电路的连续信号微分方程，计算等效模拟输入转速。结合数字阶梯波算法，设计电路串扰检测方案。再计算地球自转角速率的分量测量死区，得到电路串扰测量结果。仿真结果表明:与嵌入式“反射器”的新型谐振陀螺仪和多导体传输线串扰不...
