...raph ==> 调频式载波电报 frequency modulation characteristic ==> 调频特性 frequency-modulation chart ==> 调频图 ..
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研究表明，采用伪随机函数，对分色后的图象文件进行调频加网，再经现有的调幅加网RIP，可实现图象的调频加网输出；
Research results show that by using the pseudo random function and RIP for AM screening, the image of separate color can be input in the form of FM screening.
基于单一载频的射频干扰（RFI）在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。
A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain.
1991年国内大型全自动洗涤设备第一台应用调频调速技术在广州市广涤宾图洗涤机械厂诞生后，国内洗涤设备行业从此迈进世界先进行列。
The domestic washing is stepping into the world top after the first auto-water with channel-and-speed-changing technology was born in Guangzhou Guangdi Bantu Washing machine Company in 1991.
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