1. Aimed at the demand of intelligent data management for UM71 frequency-shift capacitance online measurer, a data support system is designed and developed.
2. 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).
频率调制的一种方式,其中载波频率在标志频率和场频率之间移动,以响应外加的情报(数据)信号。
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3. Your transmitter has occurred frequencyshift.
你的发射机出现频率漂移。
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4. LEO satellite communication system has the properties of larger power dynamic range, larger and faster changed doppler frequencyshift and rapid fluctuation compared to ordinary communication system.
6. But both of them are sensitive to carrier frequencyshift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感,且在AWGN和多普勒频移环境下表现相当。
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7. Line equalizer control method, and integrating circuit, frequencyshift 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。
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8. So, for the same SNR, edge techniques can improve the measurement accuracy of Brillouin frequencyshift 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。
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9. Method of calculating the adjusting resistance of frequencyshift 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。
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10. 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 frequencyshift.
11. There is great Doppler frequencyshift 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。
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12. Doppler frequencyshift 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。
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13. The maximum Doppler frequencyshift 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。
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14. A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequencyshift 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。
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15. It is found that a novel acoustooptic coupled ring resonator can be got for the frequencyshift and filtering characteristics of the acoustooptic fiber coupler.
结果表明利用光纤声光耦合器的移频与滤波特性,可研制成一种全新结构的光纤声光耦合环形谐振腔。
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16. The error of measuring Brillouin frequencyshift 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。
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17. The frequency time selective fading resulted from multipath dispersion and Doppler frequencyshift 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。
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18. The main products has: DSP series intelligent digital frequencyshift, radio speaker series, the interface microphone series, meeting series, wireless microphone series.
主要产品有:DSP智能数字移频系列、广播音箱系列、界面麦克风系列、会议系列、无线麦克风系列。
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19. 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 frequencyshift.
我们正在给予你古老的神圣技术,来助你筑基于并创造新世纪之光这是你抵达下个层面和转变频率所需要的。
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20. The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequencyshift, and an optimum design scheme is concluded.
本文对移频自动闭塞发送设备信息源电路的频率安全性及稳定性进行了分析,并总结出最佳设计方案。
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21. Results show that the trapping pulse generates frequencyshift.
研究表明:被俘获的信号脉冲能产生频移。
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22. The results show, the light frequencyshift 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。
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23. The water sound speed and temperature can be calculated by measuring Brillouin scattering frequencyshift.
借助测量水体布里渊散射的频移,可得到水体声速或温度。
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24. In the communication of multiplex system, the DS signal exists Doppler frequencyshift 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。
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25. The Doppler frequencyshift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.
从轨道方程出发,对影响卫星光链路接收机带宽的主要因素———多普勒频移进行了研究。
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26. The theory describes the temporal nonlinear evolution of the field amplitude and frequencyshift of a single wave mode.
从理论上描述了单一受激波的场幅值和频率偏移的非线性变化。
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27. The largest solvent induced frequencyshift in the infrared spectrum of acetone is seen in the methanol.
结果表明:丙酮羰基在甲醇溶剂中红外诱导伸缩频率位移最大。
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28. The variations of group velocity dispersion and nonlinear frequencyshift with the wave frequency and film thickness are also studied.
研究了群色散和非线性频移随频率和薄膜厚度的变化规律。
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29. The variations of group velocity dispersion and nonlinear frequencyshift with the wave frequency and film thickness are also studied.