数字解调技术 meaning in English
ddt digital demodulation technique
Examples
- Research the digital quadrature demodulation
数字解调技术及其实现。 - After analyzing several methods of digital demodulation , implement the digital demodulation more efficiently . 2
在分析各种数字解调技术的基础上，应用cordic算法较好地实现了数字解调； 2 - Secondly , we discuss the application of if sampling and digital demodulation technique in pd weather radar signal processing system
其次，本文研究了中频采样及数字解调技术在气象雷达中的应用。 - The theoretic analysis and computer simulation results reveal that this influence ca n ' t be ignored . because the if sampling and digital demodulation technique can improve amplitude and phase unbalances of in - phase and quadrature channels , we apply it in the pd weather radar signal processing system and select several digital demodulation algorithms , which are easier to implement , for this system
由于采用中频采样和数字解调技术能有效地提高正交解调两路的幅相一致性，本文将中频采样及数字解调技术应用到脉冲多普勒气象雷达信号处理系统中，并结合气象信号的特点选择了适合工程实现的中频采样及数字解调算法。 - This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver , especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system , the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation , ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system
本论文研究的是采用数字中频接收技术的脉冲多普勒气象雷达信号处理系统，重点研究了中频采样及数字解调技术在脉冲多普勒气象雷达信号处理系统中的应用、正交双通道幅相不平衡对气象回波谱估计的影响、地杂波滤波算法，以及脉冲多普勒气象雷达信号处理系统的具体工程实现。