phase spectrum meaning in English
位相谱
相位谱
Examples
- It includes the stipulation that the phase spectrum over that range should be a straight line .
它包括了在该范围上相位谱应为直线的规定。 - In order to obtain a high - quality speech codec , the phase information of speech should be included in codec . in this thesis , a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder
本文基于感觉加权相位谱分析合成( abs - analysis - by - synthesis )矢量量化方法,给出了一种wi编码器中慢渐变波形( sew - slowlyevolvingwaveform )的相位信息量化及合成端相位的三次多项式插值重建方法。 - The results of strehl ration calculation after low - order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed . the effect o . f laser beam transmission in the turbulent atmosphere with 4 - dimension numerical analog program as well as phase compensation for adaptive optics are studied
利用激光大气传输四维数值模拟程序和实测的大气参数对激光大气传输湍流效应及其自适应光学相位补偿进行了数值模拟研究，并进行了校正低阶模式波前误差的实验研究。 - Results showed that the samples of different heat treatment technologies of 38crmoal can be comparatively preferable distinguished by real spectrum and phase spectrum of fft . further research on real and image spectrum of fft discovered that using energy spectrum of real and image of fft to discriminate these samples is more compact and convenient
研究发现用ut信号fft的实部谱图结合相位谱图能够相对较好的区分38crmoal钢的不同热处理状态：对ut信号fft的实部和虚部谱图的进一步研究表明，用ut信号fft的实部和虚部能量谱来区分热处理状态更为简捷和方便。 - Fourthly , respectively using cross correlation method for estimation of time delay , phase spectrum method for estimation of time delay and high order spectrum method for estimation of time delay , this paper measures time delay estimation of the data obtained because time delay between two signals has big importance on the testing result . through comparing three results , accurate time delay is obtained under their own different circumstances
再次，由于两信号的时间延迟对测量结果有很大的影响，因而研究了用互相关时间延迟估计、相位谱时间延迟估计和高阶谱时间延迟估计的方法对测量数据进行了时间延迟估计，结果表明，三种时间延迟估计方法在各自适应的环境下使用，都能得到比较准确的时间延迟估计值。