• Aimed at the demand of intelligent data management for UM71 frequency-shift capacitance online measurer, a data support system is designed and developed.

    针对UM 71电容在线测试仪测量数据智能化管理要求设计开发UM 71移频电容在线测试仪数据支持系统

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  • A form of frequency modulation in which the carrier frequency is shifted between a mark frequency and a space frequency in response to the impressed intelligence signal (frequency-shift keying).

    频率调制一种方式其中载波频率标志频率场频率之间移动响应外加情报(数据)信号

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  • Your transmitter has occurred frequency shift.

    发射机出现频率漂移

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  • 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.

    相对一般通信系统而言,低轨卫星通信系统具有信号动态范围多普勒大且变化速度快信道起伏剧烈等特点

    youdao

  • The receiver has occurred frequency shift.

    信机出现频率漂移。

    youdao

  • But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.

    两者载波频率偏移敏感,且在AWGN多普勒环境表现相当。

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  • 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电路传输装置

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

    所以相同信噪比下常规检测技术相比边缘检测技术可以大大提高布里测量精度

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

    本文介绍了轨道电路调整状态分流状态调整电阻计算方法

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  • In this paper, an integrated optical modulator is proposed and analyzed, which is constructed in a fin line geometry and can be applied to a Doppler radar for processing the Doppler frequency shift.

    提出分析了集成电光波导调制器雷达中的一种新的应用方式。调制器的电极采用线结构能够方便地获取多普勒频移信号。

    youdao

  • 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.

    动态环境存在较大的多普勒,这使得普通GPS接收机在没有导辅助的情况很难可靠工作

    youdao

  • 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多普勒观测研究电离层扰动一个重要方法

    youdao

  • The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.

    OFDM系统中,影响性能一个重要参数就是大多普

    youdao

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

    针对衰落信道广泛存在多普勒现象,本文提出了一种MPSK信号数字化识别解调方法

    youdao

  • It is found that a novel acoustooptic coupled ring resonator can be got for the frequency shift and filtering characteristics of the acoustooptic fiber coupler.

    结果表明利用光纤声光耦合器滤波特性研制成全新结构的光纤声光耦合环形谐振腔

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  • 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误差会海表温度测量精度带来很大影响

    youdao

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

    多径色散多普勒造成频率时间选择性衰落城市移动无线信道一个重要特性

    youdao

  • The main products has: DSP series intelligent digital frequency shift, radio speaker series, the interface microphone series, meeting series, wireless microphone series.

    主要产品DSP智能数字系列广播音箱系列、界面麦克风系列、会议系列、无线麦克风系列。

    youdao

  • We are giving you the ancient sacred technologies for you to build upon and create the new age of Light; this is what is required for you to reach the next level and frequency shift.

    我们正在给予古老神圣技术助你基于创造新世纪抵达下个层面转变频率需要的。

    youdao

  • The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequency shift, and an optimum design scheme is concluded.

    本文自动闭塞发送设备信息源电路频率安全性稳定性进行了分析总结出最佳设计方案

    youdao

  • Results show that the trapping pulse generates frequency shift.

    研究表明:俘获的信号脉冲能产生移。

    youdao

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

    结果表明运方案可以有效降低铯原子束中的光频

    youdao

  • The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.

    借助测量水体布里散射得到水体声速温度

    youdao

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

    复合系统通信中,飞行器动态使扩频信号存在多普勒

    youdao

  • The Doppler frequency shift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.

    轨道方程出发,对影响卫星链路接收机带宽主要因素———多普勒进行了研究。

    youdao

  • The theory describes the temporal nonlinear evolution of the field amplitude and frequency shift of a single wave mode.

    理论上描述单一受激波幅值频率偏移非线性变化。

    youdao

  • The largest solvent induced frequency shift in the infrared spectrum of acetone is seen in the methanol.

    结果表明:丙酮羰基甲醇溶剂红外诱导伸缩频率位移最大

    youdao

  • The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.

    研究色散非线性频率薄膜厚度变化规律

    youdao

  • The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.

    研究色散非线性频率薄膜厚度变化规律

    youdao

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