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.
本文以某雷達接收機爲應用背景，開展了十二通道數字中頻接收機陣列的研制工作。
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 .
闡述了超眡距雷達用中頻採樣和數字下變頻的原理，給出了具躰的工程實現方法。
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.
接收機的每個通道都由高頻放大器、中頻放大、中頻採樣、數字正交器組成，另外還有DDS信號産生和頻率激勵源用來形成雷達發射機所需的S波段脈沖調制激勵信號。