keying phase shift 中文意思是什麼

keying phase shift 解釋
相位變換鍵控
  • keying : 按電鍵
  • 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...
  1. Edge uses a new modulation scheme - 8psk ( 8 phase shift keying modulation ) - to enable the transmission of large amounts of data at a high speed - 384 kilobits per second using existing gsm infrastructure

    Edge是一種介於現有的第二代移動網路與第三代移動網路之間的過渡技術。 edge將是通向3g的一個重要里程碑。
  2. Pll - qpsk, phased - locked loop quadrature phase shift keying

    鎖相環四相相移鍵控
  3. Pll - qpsk phased - locked loop quadrature phase shift keying

    鎖相環四相相移鍵控
  4. Quadrature differential phase shift keying qdpsk

    四相差分相移鍵控
  5. Quadrature differential phase shift keying

    四相差分相移鍵控
  6. Correlative phase shift keying cor - psk

    相關相移鍵控
  7. Phase - shift keying

    相移按鍵法
  8. Coherent phase - shift keying

    相關或連貫相移鍵控法
  9. Cpsk coherent phase - shift keying

    相干相移鍵控法
  10. 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。
  11. Psk : phase shift keying

    移相鍵控
  12. Absolute phase shift keying apsk

    絕對相移鍵控
  13. Absolute phase shift keying

    絕對相移鍵控
  14. Ijf - oqpsk is actually to modulate the ijf codes by the offset quadrature phase shift keying

    Ijf ? oqpsk實際上是對ijf信號再進行正交四相相移鍵控的調制技術。
  15. To solve this problem, this thesis will focus on investigation of the following detection methods based on the features of the dsss signal and with the binary - phase - shift - keying dsss ( dsss / bpsk ) signal as an example. 1. the power spectrum of the dsss / bpsk signal is discussed and the detection performance in each power spectrum estimation method is compared in terms of nonparametric methods, parametric methods and subspace methods in power spectrum estimation

    本文針對這一問題，從dsss信號特徵出發，以二進制相移鍵控的直接序列擴頻（ dsss / bpsk ）信號為例，研究了以下檢測方法: 1 .從功率譜估計的非參數方法、參數方法和子空間方法入手，討論了通過不同類型方法估計的dsss / bpsk信號功率譜，並比較了各功率譜估計方法應用於dsss / bpsk信號檢測的性能。
  16. 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 。
  17. Psk for phase - shift keying

    相移鍵控
  18. Psk phase shift keying

    相移鍵控法
  19. Phase shift keying psk

    相移鍵控
  20. The reseach work focused on the time delay estimation of the common practical radar singnals, including harmonics signal, chirp signal, polynomial phase signal, and phase - shift keying signal. the new algorithm for different radar signals are deduced in detail respectively, and simulation results are presented. the results proved that the new method is efficient for time delay and some other parameters estimation

    正弦信號、線性調頻信號、多項式相位信號、相位編碼信號是雷達信號中常用的幾種信號，對這幾種信號的研究是雷達信號處理中非常重要的內容，也是實際工程的需要。因此，本文選擇上述幾種信號作為研究對象，對這幾種信號的時延估計演算法進行了建模和理論推導，給出了時延估計演算法的具體表達式，並進行了計算機模擬。
分享友人
分享到 Line

分享到臉書