digital intermediate frequency sampling

基本解释

This thesis is focused on the study of 12-channel intermediate frequency (IF) sampling digital receiver array for one radar system.
本文以某雷达接收机为应用背景，开展了十二通道数字中频接收机阵列的研制工作。
The theory of the device with direct intermediate frequency sampling and digital down convert for OTH radar is described by this paper, and the implementation method is also introduced .
阐述了超视距雷达用中频采样和数字下变频的原理，给出了具体的工程实现方法。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成，另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。