digital intermediate frequency sampling

基本解釋

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(dá)接收機(jī)爲(wèi)應(yīng)用背景，開展了十二通道數(shù)字中頻接收機(jī)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(dá)用中頻採樣和數(shù)字下變頻的原理，給出了具躰的工程實(shí)現(xiàn)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(jī)的每個(gè)通道都由高頻放大器、中頻放大、中頻採樣、數(shù)字正交器組成，另外還有DDS信號産生和頻率激勵(lì)源用來形成雷達(dá)發(fā)射機(jī)所需的S波段脈沖調(diào)制激勵(lì)信號。