frequency shift

英 [ˈfriːkwənsi ʃɪft] 美 [ˈfriːkwənsi ʃɪft]

频移

计算机



双语例句

  1. The Study on Microwave Power Frequency Shift in  ̄( 87) Rb Atomic Frequency Standard and Its Controlling Methods
    铷原子频标中微波功率频移的研究及其控制方法
  2. Frequency shift of laser pulse propagating in wakefield
    尾波场中传播的激光脉冲的频率漂移
  3. Phase comparison sinusoidal frequency shift keying
    相位比较正弦移频键控
  4. Influence of Interaction Time on Frequency Shift Quantity of Frequency Change in Photonic Crystal
    光子晶体频率变换中作用时间对频率变化量的影响分析
  5. The frequency shift induced by cross-phase modulation ( XPM) in dispersion-shifted fiber ( DSF) is experimentally studied, then wavelength conversion is achieved through filtering by fiber grating.
    对色散位移光纤中交叉相位调制效应(XPM)导致连续波产生频移进行了实验研究,并用光纤光栅滤波实现了波长转换。
  6. The UM2000 frequency shift signal is a multiple frequency-modulated signal, of which the frequency modulated constant is a key parameter.
    UM2000移频信号是一个多频调制的调频信号,其中调频常数是一个关键的参数。
  7. The receiver has occurred frequency shift.
    收信机出现频率漂移。
  8. The radio waves are called frequency shift signals and can flow within a certain wavelength area.
    无线电波被称做频移信号,并在一个固定的波长范围内传播。
  9. A Wake Field Detection Mothod Using Laser Wavefront Variation Frequency shift of laser pulse propagating in wakefield
    一种利用激光波前变化检测尾流场的方法尾波场中传播的激光脉冲的频率漂移
  10. The basic principle of Frequency Shift Keying is at least a century old.
    基本原则的频移键控是至少一个世纪老人。
  11. Precise Acquisition Algorithm for GPS Signal Doppler Frequency Shift
    一种GPS信号多普勒频移的精确捕获算法
  12. The Simulation and Analysis of the Track Frequency Shift Detection Based on the Measuring Width
    基于测宽法的轨道移频信号检测的仿真分析
  13. The design and realization of minimum frequency shift keying modulation system based on FPGA
    基于FPGA的最小移频键控调制器的设计与实现
  14. Frequency Shift Analysis of Zeeman for Extremely Small Magnetron Microwave Cavity
    对极小型磁控管微波腔塞曼频移的分析
  15. Taking into account the wireless communications, the frequency shift and acceptance of mobile speed and other factors.
    考虑到无线通信中,频移及接受台移动速度等因素。
  16. In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
    基于共振声谱法,研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
  17. According to the laser gain change is linear related to the frequency shift, the Doppler frequency is extracted by the signal processing.
    根据激光的增益变化和频率变化成线性关系,可以对信号进行处理求出多普勒频移。
  18. The earth's rotation and its motion around the sun add an appreciable frequency shift.
    地球自转与地球绕日公转产生附加的频移。
  19. Pilot beacon devices are available in the frequency shift and demodulation modes.
    在频移和解调模式下,飞行导向设备是有效(可实现)的。
  20. The utility model discloses a minimum frequency shift keying ( MSK) modulator, and is applied to a digital information transmission system.
    最小移频键控(MSK)调制器,适用于数字信息传输系统中。
  21. Effect of Doppler Frequency Shift on Linear Frequency Modulation Signal Pulse Compression
    多普勒频移对线性调频信号脉冲压缩的影响
  22. Influence of DRFM Frequency Shift Jamming on The LFM Pulse-compression Radar and Countermeasure Research
    DRFM移频干扰对LFM脉冲压缩雷达的影响及对策研究
  23. The frequency shift is obtained and compared with the effect of air damping.
    但实际运用时,其精度都会受到采样定时误差和信号频率偏移的影响。
  24. Doppler frequency shift observation of ionospheric high frequency echo is an important method for studying ionospheric disturbances.
    电离层高频反射回波的多普勒频移观测是研究电离层扰动的一个重要方法。
  25. It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
    理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
  26. Then after amplitude limiting, to be preamplified, demodulated, bandpass filtered, the doppler frequency shift signal is extracted.
    经过限幅保护,接收放大,检波和带通滤波后,将多普勒频移信号提取出来。
  27. Employing the modulation scheme Non-coherent Frequency Shift Keying ( NFSK), the existence of the optimal transmission strategy is proved, and a repeated dynamic game is proposed.
    针对非相干频移键控调制方式,证明最优传输策略的存在性,提出一个重复的动态博弈。
  28. The error of measuring Brillouin frequency shift based on brim detecting technology has great influence on the measurement precision of sea surface temperature.
    采用边缘探测技术测量布里渊频移量的误差会对海表温度测量精度带来很大影响。
  29. The optical frequency shift technology based on photonic crystals is studied.
    分析了光子晶体实现光学频率变化的方法。
  30. The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.
    在OFDM系统中,影响其性能的一个重要参数就是最大多普勒频移。