传感器输出的检测信号是中频的正弦电压信号，为采集和处理该信号，设计了以P89C51RD2单片机为核心的数据采集器电路。
The output signal of the sensor is the sinusoidal signal with intermediate frequency. To sample and process this signal, a data collection circuit that centers on P89C51RD2 single chip is designed.
本文采用TI公司的TMS320 LF 2407a型DSP芯片设计了一种中频逆变电源，对电源主电路实现了全数字控制，提高了输出电压的精度和稳定度。
This paper I use TI's DSP chip design TMS320LF2407A type, a frequency inverter, I realized the main circuit power supply digital control, and improved output voltage accuracy and stability.
针对通用接收机的中频信号输出，设计了中频信号采集、中频信号处理和高速数据传输硬件系统，应用于无线电监测系统。
For the snke of radio surveillance we design the hardware system with the function of IF data sampling, IF data processing and high speed data transferring.
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