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intermediate frequency signal中文什么意思

發(fā)音:   用"intermediate frequency signal"造句

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  1. 3 . accomplished the hardware design of intermediate frequency signal processing 4 . accomplished the software design of intermediate frequency signal processing
    3 .完成了中頻信號(hào)處理的硬件設(shè)計(jì)。 4 .完成了中頻信號(hào)處理的軟件設(shè)計(jì)。
  2. In the digital intermediate frequency project , the intermediate frequency signal is converted to digital signal directly into the dsp chip , then it is be processed by dft
    數(shù)字中頻方案將中頻信號(hào)直接通過a / d轉(zhuǎn)換后送入dsp芯片進(jìn)行dft變換,最后得到待測信號(hào)頻譜的采樣序列。
  3. By analysis of the intermediate frequency signals which through eight antennae and receiver channels , eight channels radio spatial spectrum direction finding system can reach the purpose of finding radio direction
    八通道無線電空間譜測向系統(tǒng)通過分析經(jīng)過八路天線和接收機(jī)通道以后的中頻信號(hào)達(dá)到確定無線電信號(hào)方向的目的。
  4. In this thesis , aimed at the above - mentioned two - side problems , based on analyzing the theory of lfmcw radar ranging deeply , we implement the work of intermediate frequency signal processing
    本論文針對上述兩方面的問題,在深入分析lfmcw雷達(dá)測距理論基礎(chǔ)上,在工程上完成了一部8mm毫米波線性調(diào)頻連續(xù)波測距雷達(dá)的中頻信號(hào)處理工作。
  5. Due to the hardware characteristic ' s limitation , such as the poor speed of a / d , d / a conversion and dsp process , the most part of sr system adopt middle course . that is to say , by using the special digital converter or running relevant arithmetic , it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "
    由于受到硬件性能如a d 、 d a及dsp芯片處理速度的限制,目前的軟件無線電系統(tǒng)多采用折中的實(shí)現(xiàn)方案,增加專用的數(shù)字變頻器或者運(yùn)行數(shù)字變頻算法,將射頻信號(hào)變頻到中頻,然后再進(jìn)行基帶信號(hào)處理,這樣的軟件無線電系統(tǒng)又被稱之為“軟件定義無線電” ,它并不是真正意義上的軟件無線電。

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