Design of Data Sampling Unit in the Sounding System of HF Doppler and Angle of Arrival
Ying Xiong · Computer Automated Measurement & Control · 2003
Aiming at the problem about the data sampling in the sounding system of the HF Doppler and angle of arrival,a work mode about A/D with DMA under timer 8253 is proposed,meanwhile,the key technology about the sampling of abundant data is presented.The accurate sampling interval and high-speed data communication are realized.A satisfying result in experimental run is obtained.