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通道幅度
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  channel amplitude
     SELF-CALIBRATION METHOD OF CHANNEL AMPLITUDE OF HF GROUND WAVE RADAR BASED ON SEA ECHO
     高频地波雷达基于海洋回波的通道幅度自校准方法
短句来源
     Based on the sea echo Doppler power spectra of every channel, channel amplitude responses are software calibrated for every range cell.
     在各通道独立接收的海洋回波谱分析的基础上 ,针对每一距离元进行通道幅度的软件校准。
短句来源
     A software self-calibration method of the channel amplitude of HF ground wave radar based on the received sea echo data is developed in this paper, in accordance with the characteristics of sea echo and the actual performance of the Ocean State Measuring and Analyzing Radar (OSMAR2000).
     针对海洋回波的特性,以及高频地波雷达OSMAR2000的实际工作性能,提出一种基于海洋回波采样数据的自适应通道幅度软件校准方法。
短句来源
     The method does not need auxiliary signal source and can real-time calibrate channel amplitude for every range cell. Using the method, the radar system can give out warning information in the case of channel failure. The quality of spatial spectra improves much after channel amplitude calibration by the method.
     该方法不需要辅助信号源,能针对每一距离元进行通道幅度的实时校准,校准后的空间谱质量显著提高,并能在通道失效时给出示警信息。
短句来源
     The calculation and analysis indicate that the influence of polarization channel amplitude unbalance error on target polarization matchingis most important, and across polarization interference is also important.
     分析表明,多极化SAR系统的极化通道幅度不平衡误差对目标极化匹配结果的影响最大,交叉极化干扰项对此也有较大的影响。
短句来源
  “通道幅度”译为未确定词的双语例句
     The results show that the instantaneous bandwidth of the phase quantization DRFM is equal to,in numeral,the sampling frequency. which is the same as the I Q double-channel amplitude quantization DRFM.
     结果表明,当采用双通道处理时,与I,Q双通道幅度量化一样,相位量化DRFM的瞬时带宽在数值上也等于采样频率。
短句来源
     By using this method combined with automatic amplitude balance approach,the accuracy of the phase measurement has been improved significantly.
     为了提高相干精度,还采取了参考信号通道和待测信号通道幅度自动平衡的措施。 这一新方法结合改进措施,使测相精度明显提高。
短句来源
     A method of calibrating the sensors' position error, channel gain and phase uncertainties of equi spaced linear array without phase delay ambiguity was presented.
     针对等距线性阵列天线的阵元位置误差和通道幅度相位不一致性问题 ,提出了一种采用单校正源分时多方位的无相位延迟模糊校正方法 .
短句来源
     It uses single calibration source at different relative position to the array without exact information of direction of arrival. It is robust to the noise without any limitation on channel gain and phase parameters and can still estimate the sensors' position under the calibration frequency estimation errors.
     该方法无须准确已知校正源入射角 ,对于通道幅度相位参数没有任何限制 ,对于噪声具有较强的坚韧性 ,而且在校正源频率有一定的估计误差时也可较准确地估计阵元位置参数 .
短句来源
     This paper uses the algorithm of active error calibration to calibrate amplitude and phase error when the feature of the system is not satisfactory. The algorithm is implemented on high speed float DSP TMS320C6711 and the good performance and real time implementation is achieved.
     本文采用有源校正算法来校正当系统特性不理想的情况下带来的通道幅度误差和相位误差,并在高速浮点数字信号处理器TMS320C6711系统上实现了五通道测向处理器有源校正算法,达到了性能指标及实时实现。
短句来源
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  相似匹配句对
     nformation passage
     信息通道
短句来源
     Information Channel
     信息通道
短句来源
     A TWO CHANNEL AMPLITUDEM ANALYSIS SYSTEM FOR TIME CORRELATION PULSES
     双通道时间关联脉冲幅度分析系统
短句来源
     SELF-CALIBRATION METHOD OF CHANNEL AMPLITUDE OF HF GROUND WAVE RADAR BASED ON SEA ECHO
     高频地波雷达基于海洋回波的通道幅度自校准方法
短句来源
     The Measuring Methods of Pulse Amplitude
     脉冲幅度测量方法
短句来源
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  channel amplitude
This paper presents the performance analysis of the MUSIC algorithm in the presence of channel amplitude and phase Error.
      
Discrepancy between the multichannelND-1-amplitude and the corresponding one-channel amplitude
      
Channel block on the level of single anion-channels is characterized by a reduction of long open-transitions into flickering bursts and a decrease in channel amplitude.
      
Half saturation of the single channel amplitude was observed at 330 mM Na+ at a membrane potential of -100 mV.
      
Replacement of Na+ reduced the variance of channel amplitude distributions to the level of the baseline.
      
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In this paper, an angile-frequency receiving set is in- troduced mainly, including the design approach, performances and experimental results of this set. Dynamical region of this receiver is more than 70dB; frequency-agile rate of local signal is less than 4μm; ampli- tude balance of I Q quadrature dual channel is better than 0.1dB; phase balance is better than 0.5°.

本文介绍捷变频率接收装置.包括设计方案、主要性能和实验结果。在该装置中,接收机的动态范围大于70dB,本振信号的捷变速度小于4μs,IQ正交双通道的幅度平衡度优于0.1dB,相平衡度优于0.5°。

This paper discusses the designs of the resistor-loop phaseshifter,input encoder,and output decoder used in a phase quantization digital radio frequency memories(DRFM),and analyzes the relationship between inistantaneous bandwidth and sampling frequency of the phase quantization DRFM. The results show that the instantaneous bandwidth of the phase quantization DRFM is equal to,in numeral,the sampling frequency. which is the same as the I Q double-channel amplitude quantization DRFM.

本文讨论了相位量化数字射频存储器(DRFM)所需电阻环移相器、输入编码器和输出译码器的设计方法,分析了相位量化DRFM瞬时带宽与采样率的关系,并经计算机模拟证实。结果表明,当采用双通道处理时,与I,Q双通道幅度量化一样,相位量化DRFM的瞬时带宽在数值上也等于采样频率。

In monopulse radars, the amplitude and phase of sum and difference channels have influence over angle measurement accuracy. Operating in bad environments and wide band conditions, the amplitude and phase of monopulse sum and difference channels may drift severely. In this paper, the amplitude and phase imbalances of monopulse sum and difference channels are analyzed , one method of calibrating amplitude and phase imbalances in monopulse surm and difference channels is introduced.

在单脉冲雷达中,和差通道接收机的幅度和相位影响单脉冲雷达的测角精度。工作在宽频及恶劣环境条件下的单脉冲雷达,和差通道的幅度和相位会发生严重漂移。本文对单脉冲和差通道的幅相不平衡进行了分析,提出了校正单脉冲和差通道幅相不平衡的方法。

 
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