说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> 双线性变换时域图 1)  double-linear-time domain figure 双线性变换时域图 2)  bilinear time-frequency transform 双线性时频变换 3)  bilinear time-frequency transformation 双线性时间-频率变换 1. According to the principle of kernel function spectral decomposition,the authors express the discrete real kernel as a symmetric matrix,and indicate the discrete bilinear time-frequency transformation as a weighted sum of discrete spectrograms with eigen-decomposition of symmetric matrices. 根据核函数的谱分解理论,把实离散核函数表示为实对称矩阵,利用对称矩阵的特征分解把离散时间双线性时间-频率变换表示为离散时间频谱图的加权和,用频谱图的部分和实现双线性变换的快速近似计算。 4)  bilinear transform 双线性变换 1. The classical method for the digital Butterworth filter design is to work out corresponding analog filter first,then obtain the digital Butterworth filter from the bilinear transform,therefore the traditional method relies on the analog filter,and cannot obtain the zeros-poles plot equal filter. 设计数字式巴特沃斯滤波器的传统方法是先设计好相应的模拟滤波器,再经过双线性变换得到数字式巴特沃斯滤波器,因此必须依赖于模拟滤波器,同时无法得到零极点数量不相等的滤波器。 2. In order to make the digital filter to maintain the frequency characteristic of the original analog filter,a expression for the prewarping is derived according to the definition of the bilinear transform,and a low-pass Butterworth digital filter is designed. 针对数字信号处理中数字滤波器的性能问题,为使数字滤波器保持原模拟滤波器的频率特性,根据双线性变换的定义,导出了一个预畸变的统一表示式。 3. Using the bilinear transform can make it into a real diagonal matrix and rank one matrix. 多项式的友矩阵相似于一个对角矩阵与秩1矩阵的和,利用双线性变换将其变为一个实对角矩阵与秩1矩阵,对这类矩阵可以采用一种快速的QR迭代法求出其特征值,再通过双线性变换的逆变换就可以求出多项式方程的根。 5)  Bilinear transformation 双线性变换 1. A method on construction of real time seismic waveform emulation filter with bilinear transformation; 使用双线性变换构造实时地震波形仿真滤波器的方法研究 2. Based on the WVD, this method analyzes MPSK signals on the time-frequency (two-dimension) surface to estimate and trace carrier frequency instantaneously and abstract base-band signals via bilinear transformation analysis. 该方法基于信号的时频分布,在时频二维平面上对MPSK信号进行分析,用双线性变换提取基带相位信息,并且实时估计和跟踪载波频率,从而实现MPSK信号识别解调。 3. This paper introduces LLR design method by bilinear transformation,and discusses the realization of LLR. 本文提出了一种用双线性变换法设计无损耗电阻器的方法 ,并对无损耗电阻器的实现与控制进行了论述。 6)  valued field of linear transformation 线性变换的值域 补充资料：双味时蔬 ①主要原料：芥蓝200克　　茭白200克②烹调方法：炒、焖③风味特点：芥蓝咸鲜清淡，茭白微甜红亮，爽心利口④营养养生：清热利湿，调畅气机，宽胸利膈。 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 ©2011 dictall.com