微型机与应用
微型機與應用
미형궤여응용
MICROCOMPUTER & ITS APPLICATIONS
2013年
22期
17-19,22
,共4页
张广元%孙秀斌%肖坤峰%杨崧令
張廣元%孫秀斌%肖坤峰%楊崧令
장엄원%손수빈%초곤봉%양숭령
云闪探测%校正信号源%FPGA%AD9954
雲閃探測%校正信號源%FPGA%AD9954
운섬탐측%교정신호원%FPGA%AD9954
cloud-lightning detection%calibration signal generator%FPGA%AD9954
简要介绍了云闪探测系统的工作原理。为满足对系统中各通道幅相不一致性测试的需求，设计了一款精度高、稳定性好的信号源。该信号源以 Altera 公司 FPGA 芯片 EP1C3T100为控制核心，以ADI 公司 DDS 芯片 AD9954为信号合成器。详细给出了信号源的硬件实现和高速逻辑控制电路设计，测试结果表明，该信号源性能良好，具有很好的应用和推广价值。
簡要介紹瞭雲閃探測繫統的工作原理。為滿足對繫統中各通道幅相不一緻性測試的需求，設計瞭一款精度高、穩定性好的信號源。該信號源以 Altera 公司 FPGA 芯片 EP1C3T100為控製覈心，以ADI 公司 DDS 芯片 AD9954為信號閤成器。詳細給齣瞭信號源的硬件實現和高速邏輯控製電路設計，測試結果錶明，該信號源性能良好，具有很好的應用和推廣價值。
간요개소료운섬탐측계통적공작원리。위만족대계통중각통도폭상불일치성측시적수구，설계료일관정도고、은정성호적신호원。해신호원이 Altera 공사 FPGA 심편 EP1C3T100위공제핵심，이ADI 공사 DDS 심편 AD9954위신호합성기。상세급출료신호원적경건실현화고속라집공제전로설계，측시결과표명，해신호원성능량호，구유흔호적응용화추엄개치。
The principle of the cloud-lightning detection system is introduced . In order to meet the demand for measuring the amplitude and phase differences between channels of the system , the calibration signal generator with high precision and stability is designed , which is controlled by Altera′s FPGA chip EP1C3T100 , and whose signal synthesizer is ADI′s DDS chip AD9954 . The hardware implementation and the design of the high-speed logic control circuit of the signal generator are described . Experimental results show that this generator has high performance . It has a good application and spread value .
