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1.This DCT/IDCT architecture distributes the multiply/accumulate with fixed coefficients into additions for partial products at first, then decreases the number of additions by sharing subexpression, and accumulates all partial products to get the transform result based on optimized Wallace trees at last.
该体系结构首先将DCT／IDCT中的常系数乘加运算分散为部分积加法运算，然后通过共享公共子表达式减少加法数量，最后用优化的Wallace树汇总部分积以计算最终结果。收藏指正
2.This paper analyzes the different characteristics of white-noise interference in the signals of partial discharge (PD) after wavelet transform. There is high value in lots of scales for PD and white-noise interference is to zero with increasing scale. The threshold is set for wavelet coefficient in all scales.
分析了局部放电在线监测系统中局部放电信号及白噪干扰小波变换特征 ,局部放电信号在大部分尺度上具有较大的幅度 ,而白噪声信号随尺度的增加而迅速趋于零 ,从而对信号在各个尺度上的小波系数设定一个门限 ,如果某尺度上的系数大于门限 ,则认为它对应于局部放电信号 ,否则对应于噪声信号。收藏指正
3.For systems with distributed parameters as such,the author started with the deduction of partial differential equations, which were then reduced into lumped-parameter transfer functions by Laplace transform.
主要以能量动态平衡关系,列出了具有分布参数系统的触媒床温度的偏微分方程。 应用拉氏变换法推导出传递函数形式,从而将分布参数形式演化成集中参数形式。收藏指正
4.This paper presents analytical solutions to the partial differential equations for unsteady flow of the second-order fluid and Maxwell fluid in tube by using the integral transform method.
本文用积分变换方法分别给出了二阶流体和Maxwell流体管内不定常流运动方程的解析解.收藏指正
5.Ordinary Differential Equation, First Order Differential Equations, 2nd Order Differential Equations, Power Series Solution of differential Equation, Laplace Transform, Fourier Series and Transform, Matrix, Eigen Value Problem, Partial Differential Equation.
常微分方程式、一阶微分方程式、二阶微分方程式、微分方程式级数解、拉氏转换、复利叶级数与转换、矩阵、本徵值问题、偏微分程式。收藏指正
6.Basic on the technique of Fourier transform near infrared (FT-NIR) spectroscopy,the calibration models for quantitative analysis of Brix and reducing sugars in sugarcane juice were developed by using transmission mode and calibrating with partial least square (PLS) algorithm.
以傅立叶变换近红外光谱技术为基础,采用透射测定方式和PLS算法,建立蔗汁锤度和还原糖分定量分析数学模型.收藏指正
7.A non-destructive method is used to simultaneously determine the content of various kinds of phthalate plasticizers and adipate plasticizers in poly (vinyl chloride) plastics, applying Fourier transform infrared spectroscopy-ATR technique to obtain IR spectra and partial least square method to analyze the spectra.
摘要为了在线监控聚氯乙烯塑料中增塑剂的含量，采用傅立叶变换红外光谱－ATR技术进行光谱测定，利用偏最小二乘法对所测的谱图进行分析，建立了聚氯乙烯塑料多种增塑剂的无损定量测定方法，同时测定了聚氯乙烯塑料中多种邻苯二甲酸酯类增塑剂和多种己二酸酯类增塑剂。收藏指正
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