phase keying 中文意思是什麼

phase keying 解釋
相位鍵控
  • 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，...
  • keying : 按電鍵
  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. Some critical coding and modulation techniques in uav communication have been discussed in this thesis, including differential phase keying ( dpsk ), modulation multiple symbol detection ( msd ), adaptive trellis coded modulation ( atcm ), and space - time coding. this work was supported by the national defense 973 project. uav communication has many sophisticated technologies

    本論文在國防973項目「無人機信息傳輸理論與方法研究」的資助下，結合現代數字通信領域的新技術，根據無人機通信的特點和需求，對其中的幾項關鍵技術做了深入研究。
  12. Psk : phase shift keying

    移相鍵控
  13. Absolute phase shift keying apsk

    絕對相移鍵控
  14. Absolute phase shift keying

    絕對相移鍵控
  15. 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。
  16. 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。
  17. Continuous phase frequency shift keying cp - fsk

    連續相位頻移鍵控
  18. Differential quadrature phase keying

    差分四相相移鍵控
  19. Differential phase keying

    差分相移鍵控
  20. Amplitude phase keying

    幅相鍵控
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