echo frequency

常見例句

The new methods can be used in both detection of FMCW echo and frequency estimation of correlative pulse train.
這兩種方法既可用于多段線性調頻連續(xù)波探測回波的積累檢測，也可用于多個相參脈沖信號的積累與頻率估計。
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.
介紹了多卜勒導航雷達的基本工作原理，推導了回波信號多卜勒頻移與系統(tǒng)其它參量間的關系。
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.
在討論回波信號頻譜特性的基礎上，介紹了回波信號的產生原理及自動檢測設備的硬件組成。