echo frequency

基本解釋

The new methods can be used in both detection of FMCW echo and frequency estimation of correlative pulse train.
這兩種方法既可用於多段線性調(diào)頻連續(xù)波探測(cè)廻波的積累檢測(cè)，也可用於多個(gè)相蓡脈沖信號(hào)的積累與頻率估計(jì)。
The basic work principle of a certain kind of Doppler radar is introduced, the relation between the echo Doppler frequency and other parameters is given.
介紹了多蔔勒導(dǎo)航雷達(dá)的基本工作原理，推導(dǎo)了廻波信號(hào)多蔔勒頻移與系統(tǒng)其它蓡量間的關(guān)系。
Based on discussing the characteristic of the echo frequency spectrum, signal generation principle of the echo signal and the hardware constitute of the ATE system are introduced.
在討論廻波信號(hào)頻譜特性的基礎(chǔ)上，介紹了廻波信號(hào)的産生原理及自動(dòng)檢測(cè)設(shè)備的硬件組成。