A new quadrature sampling technique for arbitrary bandpass signal within baseband sampling rate is presented.
提出了一种在基带采样率内对任意带通信号的正交采样技术。
The speed and accuracy of digital quadrature sampling and pulse compression is also verified based on ADSP-TS101 .
在ADSP TS101上，验证了这个算法实现数字正交采样和脉冲压缩的速度性能和精度。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
在高数据采样率，特别是大时宽带宽积条件下，时域的数字正交采样和脉冲压缩包含大量的乘加运算。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
正交采样技术可以保留信号复包络的幅度、相位等信息，因此在信号处理领域中有着广泛的应用。
For bandpass signal under digital quadrature sampling, there is spectrum shifting. Although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.
在数字正交采样中，带通信号存在频谱迁移问题，虽然满足带通信号的采样定理，仍可能产生频谱混叠。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
To satisfy the requirement of high performance signal processing technique, it is demanded to use the direct sampling of IF signal to get quadrature signals.
为满足高性能信号处理技术要求，需要直接对中频信号进行采样来得到正交双路信号。
The principles of realizing quadrature coherent detector by direct sampling of bandlimited signal are discussed in this paper. They have great practical value in engineering.
本文讨论了用直接对带限中频信号进行采样的方法来实现正交相干检波的基本原理，它们在工程实际中有很大的实用价值。
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。
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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