例句與造句

1. Radar echo generator is used widely in radar performance measuring
   雷達(dá)信號(hào)產(chǎn)生器在雷達(dá)系統(tǒng)的性能測(cè)試中具有廣泛的應(yīng)用。
2. This dissertation introduces the work principles , hardware circuit structure and application of a pint - sized multifunctional radar echo generator , which can generate various waveforms needed . we can modulate the doppler frequency and adjust the time delay of the waveform to validate the performance the radar system
   該設(shè)備體積小、操作簡(jiǎn)便、便于攜帶,可模擬lfm 、 nlfm 、單頻、相位編碼等多種脈沖信號(hào)波形,具有較寬的多普勒調(diào)制和時(shí)間延遲調(diào)節(jié)功能,能有效驗(yàn)證脈沖壓縮與信號(hào)處理單元的工作性能,準(zhǔn)確評(píng)估雷達(dá)系統(tǒng)的分辨力、威力范圍等技戰(zhàn)術(shù)指標(biāo)。
3. It's difficult to find echo generator in a sentence. 用echo generator造句挺難的