1) distorted response
响应失真
1.
But when excited by wide periodical-rectangle-wave pressure, the sample thin-film transducer gives a distorted response.
但在宽脉冲方波气压激励下 ,所用溅射薄膜压力传感器出现响应失真现象。
2) frequency response distortion
频率响应失真
3) minimum variance distortionless response(MVDR)
最小方差无失真响应
1.
The effects of the frequency leakage of the array data on the signal detection performance of the minimum variance distortionless response(MVDR) were analyzed systematically from the view of the signal-to-interference-noise(S/INR) changes of the beam output.
从波束输出信/干噪比(S/INR)变化角度,定量地分析了阵列信号频谱旁瓣泄漏对常规宽带最小方差无失真响应(MVDR)信号检测能力的影响,并指出在近场强干扰影响下,选用具有更低旁瓣的窗函数进行数据截断更有利于提高宽带MVDR的信号检测能力。
2.
Application of the non-linear post-processing method in improving the weak signal detection performance of the broadband Minimum Variance Distortionless Response(MVDR) is researched fully.
该文将非线性后置处理思想引入至最小方差无失真响应(MVDR)的空间能量谱计算中,并给出其实现方法,即最终空间能量谱通过将各窄带阵列输出结果取倒数并求和得到,它不需要阵列噪声和目标信号的任何先验信息,只要阵列噪声的频谱在频段间的幅度起伏大于目标信号的频谱幅度起伏,该方法就能取得较常规处理方法更好的信号检测性能。
4) minimum variance distortionless response
最小方差无失真响应
1.
An algorithm of broadband minimum variance distortionless response(MVDR) based on the frequency energy normalization was proposed.
给出了一种基于频段能量归一化处理的宽带最小方差无失真响应算法。
5) spotting well.Key words:minimum variance distortionless response spectrum
最小方差无失真响应谱
6) MVDR
最小方差无失真响应
1.
The approach employs minimum variance distortionless response(MVDR) spectrum estimation method to extract features and warps the spectrum on a frequency scale to improve the perceptual resolution.
提出了一种适用于抗噪声语音识别的方法,其特征提取过程基于最小方差无失真响应(M in im um varianced istortion less response,M VDR)谱估计方法,并对该特征进行频率弯折以提高其知觉分辨率,最后使用基于正则相关分析的谱变换补偿(C anon ica l corre lation based on com pensation,CCBC)法对该特征进行自适应处理,从而提高了系统的鲁棒性。
2.
This study uses the method based on MVDR for directivity sharpening.
本文对光纤矢量水听器的自然指向性进行了湖试测定,研究了基于最小方差无失真响应(MVDR)方法的指向性锐化技术,在湖试数据处理中,将其-3dB主波束宽度抑制在20°以内,取得了良好的效果。
补充资料：花纹失真
花纹失真 erraic stitch pattern
在绣花机花纹缝纫后，由于机器的控制器或机械的故障，使缝纫后的花纹与设定的花纹形状不相符合的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条