英语释义

1. change of phase of an oscillation or a wave train

片语

phase-shift oscillator移相式振蕩器

phase-shift detection相位检波

phase-shift filter相移滤波器

phase-shift interference相移干涉

phase-shift contour相移等值线

delay phase-shift相位移迟延

phase-shift coder相移编码器

phase-shift discriminator[电子]

英汉例句

• in order to avoid such problems as symbol sliding, phase shift of pseudorandom noise code and carrier phase offset, an improved method of frequency offset estimation is proposed.

  为避免采样频率偏差给卫星导航接收机带来的符号位滑动、伪随机噪声码相位移动和载波相位偏差等问题，提出了一种改进的频率偏差估计方法。

• several methods for measuring pmd based on time-domain and frequency-domain are introduced, of which a new method—modulation phase shift technique is also presented.

  介绍了时域法与频域法的几种偏振模色散（pmd）的测量方法，其中包括了一种新的测量方法——调制相移法。

• when copper vapour laser mirror is used at an abnormal incidence the different phase shift of the polarization states may occurred.

  铜蒸气激光反射镜在非正入射的时候，两个不同的偏振态之间会产生不同的相移。

• phase extracting algorithm and phase unwrapping algorithm of interferogram processing based on phase shift interfering profilometry are discussed.

  研究了相移干涉轮廓仪干涉图处理的相位提取算法和相位去包裹算法。

• each symbol is encoded by the phase shift relative to the last symbol (the differential part of the modulation scheme).

  每一个符码都通过相对于上一个符码的相位偏移（也即调制方案的差分部分）来进行编码。 因为相位偏移有八种可能，所以每一个符码可以对三比特位的数据进行编码。

• a new method using twin beams with the quantum correlation to detect the small phase shift has been suggested.

  本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。

• this phase shift may cause erroneous measurement results.

  这种相移会造成错误的测量结果。

• unscrew the locking handle found on the side of the phase shift 「siko」unit; this enables the adjusting handle to be turned.

  旋开移相器上「西科」牌（？）装置一端的止动柄，即可转动止动柄而调整移相器。

• quadrature phase shift keying(qpsk) signaling is employed to make efficient use of the available bandwidth.

  传输信号采用正交相移键控调制方式，以有效利用有限通信带宽。

• phase shift - allows the faerie dragon to briefly turn ethereal , breaking targeting of enemy units . this is an auto - cast ability.

  相位变换-让精灵龙可以暂时变为漂浮单位，令敌人无法攻击。这是个自动施放的技能。

• we used bidirectional digital filtering, minimum phase shift digital filtering, and fir digital filtering to compare the influence of ringing on vlp's and various ringing elimination methods.

  我们采用双向滤波、最小相移滤波及fir滤波等方法探讨了振铃对vlp的影响，比较了各种方法对振铃的抑制作用。

• approximate expressions of the phase shift and the losses are derived by the weakly magnetized perturbation method.

  通过弱磁化微扰方法获得了这个波导系统的相移和损耗的近似表达式；

• the quantitative relationship between filtering parameters and amplitude-frequency and phase shift characteristics is analysed theoretically in this paper.

  本文从理论上分析了滤波参数与幅频特性和相移特性的定量关系。

• in addition, when the order of the super-gaussian pulse or the maximum nonlinear phase shift increases, this case may occurs that, many fine spectral peaks may appear on some wider spectral peaks.

  当超高斯光脉沖的阶次或最大非线性相移增大时，在某些宽大的频谱峰上还可能出现许多精细谱峰。

• the influence of the reflection phase shift and its dispersion on the optical performance of the short-cavity (sc) f-p interferometer was analyzed in details.

  以此为基础，较为系统地研究了高反射镜面的反射相移及其色散对短腔长的f-p干涉仪光学性能的影响。

• a different phase shift does just the opposite, reducing the absorption of the material.

  不同的位相差可能会出现相反情况，降低材料的吸收。

• a new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed.

  提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。

• with typical parameters, the differential phase shift and the insertion loss are calculated.

  在典型参数下，计算了该器件的差相移和插入损耗。

• if the 「0」 and 「1」 to change the carrier phase, called phase shift keying .

  如果「0」和「1」来改变载波的相位，则称为相移键控。

• the characters of phase shift and group delay are controlled by the number and position of zeroes and poles.

  而滤波器的零点、极点个数及其位置又完全决定了其相移和群延迟的性质。

• we sum up the rule of the bistability with the change of coupler reflectivity and single-pass linear phase shift ?

  总结了光纤环腔的双稳性随耦合器反射率、单程线性相移等参数改变而产生的规律。

• the effect of thickness deviation on the reflection spectra and phase shift of vcsels has been analysed using optical transfer matrix method.

  采用光学传输矩阵方法分析了厚度偏差对vcsel的反射谱和反射相移产生的影响。

• control pulse is coupled into this pulse shaper by wavelength division multiplexer. nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.

  该全光脉沖整形器利用波分复用器将控制光脉沖引入光纤环形镜中，控制光脉沖由于交叉相位调制在信号光上产生了非线性附加相移。

• thirdly, we quantify the power penalty caused by the pmd in optical subcarrier multiplexing (oscm) system with amplitude shift keying (ask) and binary phase shift keying (bpsk).

  第三，对采用不同调制格式（包括幅移键控和二进制相移键控）的光副载波复用（oscm）系统中，pmd引起的功率代价进行了量化。