英语释义

1. a method of communication in radiotelegraphy based on slight shifts in the carrier frequency in accordance with the code signals

片语

frequency-shift algorithm移频算法的

frequency excursion频移

radio frequency carrier shift射频载波漂移

audio frequency tone shift转换音频音调

frequency-shift stability移频稳定度

frequency y shift modulator频移调制器

frequency-shift interference移频干扰

frequency carrier shift射频载波漂移

frequency-shift keyer移频键控器

frequency y shift modulation频移调制

英汉例句

• Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.

  进一步的分析显示，多普勒频移不能解释朝长波方向扫描的波长自扫描现象。

• Proposed a novel scheme to measure the Brillouin frequency shift and power change, and analyzed the measurement accuracy of Brillouin frequency shift.

  提出了一种同时测量布里渊频移和功率变化的新方案，同时对系统的布里渊频移测量精度进行了分析。

• 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。

• A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.

  针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。

• 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。

• There are lots of disadvantages in wireless environment, such as multi-paths fading, Doppler frequency shift and fast time varying of channel.

  无线环境中存在多径衰落、多谱勒频移和信道快速时变等许多不利因素。

• The response model was used to fit the experimental data of frequency shift for these adsorption processes.

  利用压电响应模型拟合了吸附过程中频移响应的实验数据。

• The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.

  结果表明斜光抽运方案可以有效降低铯原子束频标中的光频移。

• Method of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.

  本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。

• LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequency shift and rapid fluctuation compared to ordinary communication system.

  相对于一般的通信系统而言，低轨卫星通信系统具有信号动态范围大，多普勒频移大且变化速度快，信道起伏剧烈等特点。

• The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.

  由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。

• So, for the same SNR, edge techniques can improve the measurement accuracy of Brillouin frequency shift greatly comparing with the conventional detection techniques.

  所以，在相同信噪比下，与常规检测技术相比，边缘检测技术可以大大提高布里渊频移测量精度。

• Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device.

  线路均衡器控制方法，积分电路，频移电路和传输装置。

• There is great Doppler frequency shift under high dynamic circumstances, thus the common GPS receiver cannot work reliably without the help of inertial navigation devices.

  高动态环境存在较大的多普勒频移，这使得普通的GPS接收机在没有惯导辅助的情况下很难可靠工作。

• 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。

• In the communication of multiplex system, the DS signal exists Doppler frequency shift for the high dynamic situation of aerocraft.

  在复合系统通信中，飞行器的高动态使扩频信号存在多普勒频移。