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frequency response error
相关语句
  频响误差
     At high frequency band,the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.
     峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。
短句来源
     Using the practical measured data,the mathematic model of resonance frequency is established in this paper. According to the predictor of the model,the frequency response error correction of the peak detector has been done.
     本文利用实测数据建立了检波器谐振频率数学模型 ,根据模型的预测值对检波器作了频响误差修正。
短句来源
     The verification indicates that the frequency response error is greatly decreased after correction.
     计量检定表明修正后的频响误差大大减小。
短句来源
  频率响应误差
     The vector analysis for the frequency response error of the system
     系统频率响应误差的矢量分析
短句来源
  “frequency response error”译为未确定词的双语例句
     A performance of the proposed schemes is analyzed in the frequency domain by the frequency response error between the continuous and discrete system and comparison with ones of Newmark average acceleration method is performed.
     通过算法离散的频率响应和系统真实频率响应的比较,在频率域内分析了这族算法的性能,并与常用的Newmark平均加速度方法进行了比较。
短句来源
  相似匹配句对
     Frequency Response
     频率响应
短句来源
     EQUIVALENT FREQUENCY RESPONSE
     等效频率特性法
短句来源
     FREQUENCY
     生死频率
短句来源
     Frequency Response Computation and Error Analyses
     频率特性的计算与误差分析(英文)
短句来源
     The vector analysis for the frequency response error of the system
     系统频率响应误差的矢量分析
短句来源
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  frequency response error
The frequency response error is rather small and calibration can reduce it down to 0.5% for AlliedSignal QA3000 accelerometers.
      
That means that no frequency response error, noise, distortion or time delay is introduced.
      
Here, denotes the weight for the Chebyshev norm, whereas envel is the envelope of the magnitude of the weighted frequency response error.
      
Complex-valued frequency response error Real, even, non-negatively valued frequency domain weight function.
      


This paper describes measurement system errors of microwave network analyzer and introduces error models as well as several methods of system error elimination, i. e. sliding load for directivity error elimination in CW measurements and storage normalizer for both directivity and frequency response errors elimination in sweep frequency measurements. Much attention is paid to the computer aided data processing method which, without any addition of hardwares, can eliminate all...

This paper describes measurement system errors of microwave network analyzer and introduces error models as well as several methods of system error elimination, i. e. sliding load for directivity error elimination in CW measurements and storage normalizer for both directivity and frequency response errors elimination in sweep frequency measurements. Much attention is paid to the computer aided data processing method which, without any addition of hardwares, can eliminate all errors in the system, thus the measurement accuracy can be remarkably enhanced.

本文阐述了微波网络分析仪系统误差源,介绍了误差模型及几种消除系统误差的方法:用滑动负载于点频测量时消除方向性误差;用存贮归一化器于扫频测量时消除方向性误差和频响误差。文中着重介绍了机助数据处理的方法。它可将各项系统误差全部消除,在不增加任何硬件的设备条件下,达到显著提高微波网络分析仪测试精度的目的。

Based on balanced state-space representations, a model reduction method for establishing a multi-mass model of turbo-generaic's Shaft is proposed in this psper. Combining with Hankel norm approximation analysis, this method gives an accurate mean to analyse the frequency response error caused by reduced model Transient torsional torques under two different fault conditions and with reduced shaft modeel of different order arc calculated. Effeet of the order on the shaft torques is illustrateel.

目前用于分析汽轮机组轴系暂态扭力矩的轴系数模有按原动机、发电机,励磁机自然分块的集中质量模型、多段集中质量模型和连续质量模型.多段集中质量模型在一定程度上协调了其它两种模型的优劣,但如何建立合理的多段集中质量模型至今尚无系统有效的方法.本文采用平衡降阶法对高阶轴系数模型进行了简化,并将该方法和最优Hankel范数近似相结合,对降阶前后系统频率响应误差给出了准确的分析.所得降阶模型可用于汽轮机组在系统发生各种故障及非同期合网时轴系暂态扭力矩的计算.由算例结果可见阶数不同的降阶模型对于各种扭力矩计算结果的影响.

At high frequency band,the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.Using the practical measured data,the mathematic model of resonance frequency is established in this paper.According to the predictor of the model,the frequency response error correction of the peak detector has been done.The verification indicates that the frequency response error is greatly decreased after correction.

峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。本文利用实测数据建立了检波器谐振频率数学模型 ,根据模型的预测值对检波器作了频响误差修正。计量检定表明修正后的频响误差大大减小。

 
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