On the basis of the soft radio, this paper analyzes the sampling frequency transform for single series and the series, and compares them.
现以软件无线电的基本知识为基础，分析了单级和多级抽样频率转换，并进行了比较。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
The non-ideal characteristic of intermediate frequency signal is unfavorable for band-pass sampling and affects the performance of quadrature transform.
研究用一种中频采样和数字信号正交变换理论实现脉冲多普勒雷达信号正交采样的新技术。
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