例句與用法

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1. raw pcm : raw pulse code modulated
   元脈碼調制
2. raw pcm : raw pulse code modulated
   元脈碼調制
3. raw pcm raw pulse code modulated
   元脈碼調制
4. the sidelobes characters of the pn codes modulated by signals are discussed taken m-sequence and kasami sequence as examples in this dissertation . it can raise the mainlobe-sidelobes ratio when the initial phase is properly chosen . the mainlobe-sidelobes ratio can even be further improved when mismatched filters are adopted
   本文第二章從國防重點型號裝備研制項目“北斗一號”用戶機的應用需求，以m序列和kasami碼為例，研究了有符號調制的偽隨機序列的旁瓣特性，指出通過選擇合適的偽隨機序列的調制初相，可以明顯的改善主旁瓣比；失配接收可以進一步提高主旁瓣比。
5. this article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar . as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal's application in distance and speed measurement . this article also researches the application of mono-pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast
   本文分析了幾種典型的連續波雷達信號的特性，介紹了多普勒雷達的原理和應用；研究了偽隨機編碼信號的產生和數學特征，著重分析了偽碼調相連續波雷達信號的頻譜，及其在雷達測距、測速方面的應用；研究了單脈沖幅度比較體制在雷達測角中的應用；最后，闡述了超近反導系統中復合體制雷達的工作過程。