keying differential phase shift 中文意思是什麼
keying differential phase shift
解釋
差動相位變換調鍵控- keying : 按電鍵
- differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
- phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
- shift : vt 1 變動;改變;搬移;移動;轉移;變換;替換;更換。2 推卸;轉嫁。3 消除;撤除。4 【語言學】變換...
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Quadrature differential phase shift keying qdpsk
四相差分相移鍵控 -
Quadrature differential phase shift keying
四相差分相移鍵控 -
Chapter five highlighted on some applications of surface acoustic wave ( saw ) filters that have been used in mobile and wireless communications, we have explained two applications, binary phase - shift keying ( bpsk ), and differential phase - shift keying ( dpsk ), we also proposed an application to implement the cck codewords and the cck demodulation using saw matched filter
第五章研究了聲表面波濾波器在移動通信、無線通信中的應用,主要介紹了三種應用:二進制相移鍵控( bpsk ) 、差分相移鍵控( dpsk ) ,以及用saw匹配濾波器實現cck調制和解調。 -
This project study the all - digital modulation and demodulation of / 4 offset differentially encoded quadrature phase shift keying ( / 4 - dqpsk ). then use / 4 - dqpsk digital modulation and baseband differential demodulation technology to implement digital signal transmission. the bite rate is 500kb / s and the intermediate frequency is 2mhz
本課題對/ 4 - dqpsk的全數字調制解調技術進行研究,利用/ 4 - dqpsk數字調制和基帶差分解調技術實現數字信號的傳輸,實現傳輸碼率500kbps ,調制中頻2mhz 。
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