- two dimensional spectrum
- two-dimensional spectrum
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二维谱的英文
例句与用法
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- To solve the problem that the present 2 - d temporal - spatial spectrum estimation algorithms are deteriorated when the number of signals become close to the dimension of the array , a kind of new signal model and approach for 2 - d temporal - spatial spectrum estimation is proposed
摘要针对现有空时二维谱估计算法在信号数增大时均不同程度出现性能上的恶化直至失致的问题，总结了目前通用的空时二维谱估计信号模型，提出了“时域副流形”的概念及相应的信号处理方法。 - As an instance of this software when applied to monitor a certain power equipment , a subsystem used to monitor partial discharge ( pd ) of generator was developed based on this software , which can analyse , process , plot two - dimension and three - dimension statistic , calculate 48 statistical parameters of two - dimension spectrums such as n - 、 qave - 、 qavn - 和 qmax - , besides , this thesis put forward a criterion for discharge type recognition based on probability distribution , and analysed above parameters " feasibility by this criterion when they were used to identify delamination pd , end winding pd and slot pd
作为此软件在具体电力设备绝缘在线监测系统中的应用实例，研制了发电机局放监测子系统，其特点是可分析、处理及显示二维、三维统计数据，可计算n - 、 qave - 、 qavn -和qmax -二维谱图的48个统计特征参数。文中还提出了基于概率分布的类别可分性判据，并依此判据分析了这些特征参数用于识别内部放电、端部放电、槽放电三种放电的有效性。 - 2 a mathematical model of the reflected signal based on the frequency modulation continuous wave ( fmcw ) radar , solving the frequency - azimuth estimation of coherent signals by spatial smoothing technology , comparing the resolution of the object based on two - dim music method and that based on two - dim fft
2讨论了在接收dbf条件下，回波信号的二维谱估计技术。建立了基于调频连续波体制雷达下回波信号的数学模型，并将空间平滑技术推广到时-空二维谱估计，解决了相干信号源的频率-方位估计问题。 - The non - aliasing frequency and non - ambiguous 2 - d angles is obtained by the phase characteristic of eignevalue and integral search method in this dissertation , an algorithm of spatio - temporal 2 - dspectra estimation based on 4th - order cumulants was introduced and used to realize a prototype scout , a calibration algorithm in the wide - band array system is proposed
本文主要介绍了基于四阶累积量的时-空二维谱估计算法，并以此为基础来实现时频空三维侦察机；宽频段阵列系统各种误差参数的校正算法，实验系统的硬件驱动程序的开发和应用软件的开发。