dpsk 中文意思是什麼

dpsk 解釋
微分相移鍵控
  1. Study of digital demodulation method for dpsk - pm modulated signals

    調制信號數字解調方法研究
  2. The manner of modulation, the spread spectrum codes, and the manner of the acquisition and tracking are discussed. barker codes, dpsk and match filter with the ability of rapid acquisition are concluded as the appropriate manner for cdma missile controlling and guiding

    對擴頻碼、調制解調方式、捕獲與跟蹤方式進行討論,得出barker碼、 dpsk 、匹配濾波器快速捕獲是適合便攜式反坦克導彈cdma無線制導的相應工作方式。
  3. When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt

    上電復位后,晶元處于接收狀態,工作在突發模式下,採用dpsk調制方式,將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調,通過中斷將解調完的基帶信號送入單片機處理;處于發送狀態時,可將數據擴頻、調制,經ad9768送出。
  4. In this thesis, we focused our attention on demodulation and digital signal processing ( dsp ) technique in the dpsk differential detection system used in pico - satellite test and control instructions, mainly from the point of view of software

    論文圍繞皮衛星通信中測控指令的dpsk差分解調系統,重點從軟體角度對通信解調技術和數字信號處理的一系列問題進行了實踐和研究。
  5. The method and performance according to the requirements are resolved mostly. main contents as follows : ( 1 ) according to the demodulation guideline, a differential detection system is applied to the dpsk signal demodulator, which is based on the analysis and comparison using the principle of optimal binary signal detection

    著重解決在皮衛星體積結構,重量和功耗限制條件下的方案選擇和性能問題,具體內容包括: ( 1 )對一般二進制信號的最佳檢測原理進行分析比較,針對本系統要求選擇了dpsk信號差分檢測系統的方案。
  6. Principle of optical dpsk modulation format

    光差分相移鍵控調制格式原理
  7. Analysis of performance for dpsk dispersion managed soliton transmission system

    色散管理孤子傳輸系統性能分析
  8. Dpsk is one of the means to represent digital information through relative carrier phase of the neighboring symbols

    Dpsk方式即是利用前後相鄰碼元的相對載波相位值去表示數字信息的一種方式。
  9. 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。
  10. 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。
  11. On the basis of the third kind structure ( the modulator in simulative field ), the paper gave out a method to realize the software radio digital hardware modulator which can perform the function of ask, psk, dpsk, mask, qpsk, dqpsk, qam, oqpsk modulations, using the apparatus of dsp and cpld. the test showed that the modulator can meet the request of system design

    並以第三種結構的數學模型(模擬域的正交調制模型)為基礎,以dsp和cpld器件為核心,進行了硬體電路設計,實現了基於軟擴頻系統的軟體無線電數字硬體調制平臺,實現了多種數字調制方式,其中包括ask , psk , dpsk , mask , qpsk , dqpsk , qam , oqpsk調制方式。
  12. In transmission system, the original signal is modulated to ofdm signal after be coded in dpsk. and in receiving system, the modulated ofdm signal is synchronized and demodulated

    在發射端,將以一定速率輸入的二進制信息在進行dpsk編碼后調制到基帶ofdm信號上,在接收端,對已調制的ofdm信號進行同步和解調。
  13. The simulation systems of modulation and demodulation for dpsk and qdpsk signals is created in system view in preparation for analyzing and researching adaptive demodulation

    在systemview中建立了完整的dpsk 、 qdpsk調制解調模擬系統,為自適應解調模擬分析研究做出了鋪墊。
  14. The principle and application of dpsk and fsk modem ts

    7515的原理及應用
  15. Linear filter iterative differential dpsk demodulation and decoding

    基於通道線性濾波估計的迭代解調及譯碼技術
  16. How to understand the correlation of parameters and its influence in communication system is the essential task in the research of communication system. through carrying on research and analysis to various kinds of adaptive algorithms, this paper is focus on the application of the algorithm in demodulation in the digital signal carrier transport. the dpsk signals demodulation basing on adaptive algorithm is improved on and a new method is presented for qdpsk and qam signals demodulation by adaptive filter

    簡單分析討論了ask 、 fsk的自適應解調方法,由於本研究的戰術電臺中信號處理採用的是psk方式,所以本文重點研究了利用ndlms演算法對dpsk信號的解調方法,並且結合調制信號中正交載波的特點,提出了qdpsk信號自適應解調方法,在提出上述方法后,本文通過模擬進行了驗證。
  17. Moreover, the demodulation is simulated with matlab to ensure the essential conditions for the detection system to run normally. ( 2 ) a simple and general hardware stage is built, on which the dpsk signal will be differentially demodulated and processed

    在給定系統的技術指標基礎上,利用matlab對解調過程進行模擬,確定差分檢測系統正常工作需要滿足的條件; ( 2 )採用軟體無線電的思想,構造了簡單通用的硬體平臺,軟體完成dpsk差分解調和數字處理。
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