用C编写的湿度采集显示程序，具体采用89C52直接检测频率信号，然后输出。-Written using C Humidity acquisition and display program, the specific frequency signal with direct detection of 89C52, and then output.

Using wavelet denoising thought, FMCW frequency modulated continuous wave radar range and angular measurements, ML estimation method can be a good signal to noise ratio.