The important influence factors to TCMF are due to the difference of the main contents of TCM, the Cosin method is better for similarity evaluation than Correlation method. 中药指纹图谱相似度的影响因素由样品所含的主要化学成分所引起,相关系数法比夹角余弦法对指纹图谱中小色谱峰变化的反应明显。
In this paper a decoder is designed to reduce blocking effect of block discrete cosin transform compressed images. 压缩倍数较高的DCT变换编码会引起图像块效应.本文设计了一种可平滑块效应而又能保护图像细节的解码器。
Secondly, the algorithm of QPSK and Root Raised Cosin are discussed; High Performance Raise Cosine Filter Design 对QPSK调制算法及均方根升余弦低通滤波算法进行了详细论证;高性能升余弦滤波器设计
Analysis and digital generation of baseband raised cosin spectrum pulse waveform 基带升余弦谱波形的数字实现及其分析
Hilbert transform of Sine and Cosin integral functions 正弦积分函数与余弦积分函数的Hilbert变换
An advanced approach is made to energy eigenvalue of hydrogen atom's exponential cosin screened coulomb potential ( ECSC), compared with the results of the other methods, at one time the energy correction of the first level and second level is given. 利用SO(2.1)代数对氢原子指数余弦屏蔽库仑势的能量本征值作了高级近似,并与其它方法的结果作了比较,同时给出了能量的一、二级修正值。