differential phase shift 中文意思是什麼

differential phase shift 解釋
差動相移
  • 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...
  1. Quadrature differential phase shift keying qdpsk

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

    四相差分相移鍵控
  3. Differential group delay measurement of single - mode components and devices by the differential phase shift method

    利用微分相移法進行單模元器件和裝置的群時延差測量
  4. In the traditional polarization diversity and combining scheme, differential mode loop and common mode loop is combined to lock in the phase and frequency of the diversity signals and remove the carrier frequency bias and doppler shift

    傳統的極化分集接收方案是將差模環和共模環相結合完成兩路信號的同頻同相鎖定以及多普勒頻率偏移的去除。
  5. 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。
  6. 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 。
  7. The differential phase shift changes as the change in the thickness of the ferrite phase shifter is calculated with the transcendental equation

    根據超越方程對單環非互易鐵氧體移相器的差相移隨鐵氧體厚度的變化進行了數值計算。
  8. Chromatic dispersion measurement of single - mode optical differential phase shift method

    利用微分相移法進行單模光纖的色散測量
  9. The phase shifter circuit consists of five digital bits corresponding to differential phase shifts of 180, 90, 45, 22. 5 and 11. 25 cascaded in a linear arrangement. the three lower phase shift circuits are of loaded - line type, in which the 11. 25 phase shift bit use a single loaded - line configuration. the 90 and 180 phase shift bits are of reflection type, using lange coupler to realize the separation between the incident and reflection signals

    移相器電路由五位移相電路級聯而成， 11 . 25 、 22 . 5和45移相電路為加載線型，其中11 . 25採用了單加載線形式； 90和180為反射型移相電路，使用蘭格耦合器實現輸入、輸出信號的隔離。
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