fsk調(diào)制解調(diào)設(shè)計(jì)系統(tǒng)畢業(yè)設(shè)計(jì)word格式-展示頁(yè)
2024-12-11 06:08本頁(yè)面
【正文】 控（ 2ASK）、二進(jìn)制頻移鍵控（ 2FSK）、二進(jìn)制相移鍵控（ 2PSK）和差分二進(jìn)制相移鍵控（ 2DPSK）等多種基本的類型，本課題主要是數(shù)字頻率調(diào)制又稱頻移鍵控（ FSK）。 關(guān)鍵詞 數(shù)字通信； FSK信號(hào)；非相干數(shù)字解調(diào) Summary Along with society of continuously development, correspondence more and more show to us of for the correspondence technique, the quality of the correspondence also show very of of root mission is how assurance longdistance leave to deliver an information of accuracy, in this aspect numeral correspondence the system have inborn of main is because of numeral correspondence what to deliver be longlost in the system of numeral signal, because of the signal be longlost, drive Zao voice interference empress of signal want ～ only have no exceed threshold, receive to carry can plete with accuracy judgment the information for deliver。s noodles gradual replace imitate correspondence system to bee modern correspondence of the most basic the sake of easy to differentiation signal and Zao voice, make correspondence don39。s another a conduct and actions, let the latter of some characteristic parameter press the former measure signal to make again, and will it with Zao voice separate, after enlarge etc. processing, return want to withdraw reflection from have already make of the signal quilt measured value of measure signal, this process be called solution to bandwidth using correspondence letter way for the sake of better land utilization also make signal can transmission larger of distance, in the numeral carry the wave the correspondence, we adoption three kinds of solution adjust a way: Move key to control(ASK) Pin to move key to control(FSK) with mutually move key to control(PSK).Make signal be called binary system numeral to make for the make of binary system signal, the binary system make and is divided into a binary system to move key to control(2 ASK), the binary system Pin move key to control(2 FSK), the binary system mutually move key to control(2 PSK) with bad cent the binary system mutually move key to control(2 DPSK) etc. variety basic type, this topic main is numeral the frequency make and call Pin to move key to control(FSK).In the meantime make use of system view software realization to imitate FSK system true with analysis, pass an usage imitate thus of the sense of vision turn of means to realization attain solution to adjust of purpose. Keyword:The Pin move key to control、 Move key to control、 Mutually move key to control、 Lose true、 Correspondence. 前 言 系統(tǒng)仿真是 20 世紀(jì) 40 年代末以來(lái)伴隨著計(jì)算機(jī)技術(shù)的發(fā)展而逐步形成的一門(mén)新興學(xué)科。最初，仿真技術(shù)主要用于航空、航天、原子反應(yīng)堆等價(jià)格昂貴、周期長(zhǎng)、危險(xiǎn)性大、實(shí)際系統(tǒng)試驗(yàn)難以實(shí)現(xiàn)的少數(shù)領(lǐng)域，后來(lái)逐步發(fā)展到電力、石油、化工、冶金、機(jī)械等一些主要工業(yè)部門(mén)，并進(jìn)一步擴(kuò)大到社會(huì)系統(tǒng)、經(jīng)濟(jì)系統(tǒng)、交通運(yùn)輸系統(tǒng)、生態(tài)系統(tǒng)等一些非工程系統(tǒng)領(lǐng)域。其應(yīng)用范圍在不斷擴(kuò)大，應(yīng)用效益也日益顯著。電子設(shè)計(jì)自動(dòng)化 (EDA)技術(shù)已經(jīng)從單純的性能模擬仿真 (Matlab)、系統(tǒng)元件級(jí)仿真 (PSPICE)發(fā)展到系統(tǒng)級(jí)仿真 ,直至指導(dǎo)系統(tǒng)設(shè)計(jì) .同時(shí)用 System View 同樣可以仿真設(shè)計(jì)藍(lán)牙技術(shù)、手機(jī)通信等其他通信電路。
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