The signal processing system consists of a band pass filter(BPF) with center frequency of 2.856 GHz and bandwidth of 10 MHz,a logarithmic detector,a analog digital converting module,and a data acquisition program based on Labview.

• 带通滤波器选用中心频率为2.；856 GHz、带宽为10 MHz的腔体滤波器；对数检波模块采用对数放大器AD8313芯片；模数转换模块采用NI公司的PXI-5102；上位机的数据采集程序采用Labview编写。