shift differential 中文意思是什麼

shift differential 解釋
輪班津貼
  • 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...
  • 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...
  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. First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved

    本文根據整車的性能要求確定了差動平衡機構的總體結構形式，以汽車驅動橋差速器及半軸的設計方法為參考，對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化，得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構，使搖臂軸所受彎矩大大降低，從而改善搖臂軸和差動輪系的力學性能。
  4. 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
  5. 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。
  6. 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。
  7. 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 。
  8. 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。
  9. 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
  10. 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。
  11. At the same time, it is nessary to shift the crossing point of the switch transistor ’ s differential control signals, in such a way that these transistors are never simultaneously in the off state

    同時，調低控制信號的交叉點，以防差分開關同時斷開影響dac的性能。 3 .研究了電流源晶體管的失配特性。
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