GPS digitized intermediatefrequencysignal sampler was used to validate the algorithm of acquisition and tracking of software receiver.
采用GPS中频信号采样器采集实际GPS数据,对搜索和跟踪算法进行了验证。
2
The non-ideal characteristic of intermediatefrequencysignal 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。
3
Conventional dual up-conversion transmitter usually employs an intermediatefrequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.