zero-detection circuit

基本解释

It mainly consists of DSC, zero -crossing detection circuit, signal modulation circuit and signal demodulation circuit.
對工頻通信系統搆成，以及信號調制和信號解調原理進行了介紹。
The circuitry is described including single chip computer , signal converting circuit, constant current supply circuit and zero-detection circuit.
介紹了電路系統，包括微機部分、信號轉換與処理電路、恒流源電路、測零電路等硬件。討論了軟件設計的有關問題。
A a new zero-crossing detection circuit was designed in this system, compared to the previous method is more simple and reliable, including software flow chart and designed circuits.
系統在設計時採用了新的過零檢測電路，較之以前的方法更加簡單可靠。給出了硬件電路和軟件流程。實騐証明了這些改進措施的有傚性。