正交变换

基于IP核的FIR滤波器在数字正交变换中的应用

The application of IP core-based FIR filter to digital orthogonal transformation

奇异值分解（SVD，singularvaluedecomposition）是一种正交变换，它可以将矩阵对角化。

Singular value decomposition ( SVD ) is one kind of orthogonal transformation , it can diagonalize matrix .

用矩阵的H积构造的一种新的离散正交变换

A New Discrete Orthogonal Transform Constructed by Using the H Product Operation of Matrices

近来有研究表明重叠正交变换（LOT）对压缩地震信号非常有效。

Recent works have show that Lapped Orthogonal Transform ( LOT ) is a very effective technique for compressing seismic data .

一类非对称的K型正交变换

A Class of Unsymmetrical K-Type Orthogonal Transforms

DCT是一种被广泛应用于图像压缩编码中的正交变换。

DCT is an orthogonal transformation widely used in image compression applications .

基于自适应正交变换线性组合器的EP信号压缩方法

EP Signal Compression Rased on the Adaptive Orthogonal Transform Linear Combiner

本文提出了一种基于重叠正交变换（LOT）的自适应图像水印算法，给出了水印嵌入和检测的详细算法设计。

A LOT ( Lapped Orthogonal Transform ) based adaptive image watermarking method is proposed , including the two step scheme designed for watermark embedding and detection .

首先导出了检验的score统计量，然后利用参数的正交变换，得到了调整的score统计量。

Score test statistic is developed . Based on the parameter orthogonality transformation , the modified score test is also derived .

本文围绕着算法的快速性、降维效果、准确性、一致性和动态性等要求，实现了如DFT、DWT等整体正交变换方法；

This thesis implemented the orthogonal transform such as DFT , DWT ;

基于全相位反余弦双正交变换的JPEG图像压缩技术

A JPEG Image Compression Technique Based on All Phase Inverse Discrete Cosine Biorthogonal Transform

基于多相滤波的ILS信号的数字正交变换技术

Digital Quadrature Transformation Techniques of ILS Signals Based on Polyphase Filters

仿正交变换在QR分解中的应用

Application Of Sub - orthogonal Transformation In QR Decomposition

Haar类正交变换在数字水印中的应用

Application of Haar Type Orthogonal Transforms in the Digital Watermarking

离散W变换（DWT）是一种新型的实正交变换。

Discrete W transform ( DWT ) is a new type of real orthogonal transform . It has four different versions .

为了降低后续DSP处理速度需求压力，文中利用FPGA实现了多相滤波数字正交变换结构的延迟滤波，证明的这种结构的正确性和可行性。

In order to decrease the speed press of DSP , use FPGA to realize the delay filter and prove that the structure is right and feasible .

PPR是一类基于线性多项式回归的正交变换。

PPR is a linear polynomial representation and an orthogonal transform .

由于小波变换具有传统的DCT正交变换的能量紧致性，同时还具有与人类视听觉系统很相似的特性，因此在音视频压缩领域受到广泛关注。

It has aroused broad concern in the field of audio-video compression for the energy compactness of its traditional DCT orthogonal transform .

提出某些正交变换算法具有扩维并行性，并由此归纳出扩维并行DFT算法。

In this paper , based on expanded-dimension parallelism of some orthogonal transform algorithms , a parallel DFT algorithm is concluded .

最后，对于G序广义Walsh变换和其它几种已知正交变换在维纳滤波中的性能进行了比较和分析。

Finally , the performances of generalized Walsh function in G ordering and several other orthogonal transforms in application of Wiener filter are compared and analyzed .

利用正交变换和反推技术提出了一种新的方法，并用这一方法研究了线性多变量系统的H∞控制问题。

The main contents and results are as follows : 1 . A new approach to H_ ∞ control of linear multivariable systems is proposed by using an orthogonal transformation and backstepping-like technique .

提出了广义的正交变换，并利用Laplace＿Weber变换，拉氏＿正交变换给出了无限大地层和有界地层的精确解和渐近解；

Exact solutions and asymptotic solutions have been obtained by using Laplace_Weber and Laplace_orthogonal transforms with both infinite and finite reservoirs .

本文提出一种新型计算离散正交变换如DCT、DHT（DWT）和DFT的脉动阵列实现。

A novel systolic array architccture for computing discrete orthogonal transforms such as DCT , DHT ( DWT ) and DFT is proposed .

建立大坝观测数据处理的BP人工神经网络模型，用正交变换法来初步优化设计大坝变形分析的模型结构。

A BP artificial neural network model of data processing of dam safety monitoring is established ; and an orthogonal transformation method is used to improve the model of data processing of dam safety monitoring .

本文提出了逐次比较法、CIC滤波器法及正交变换的检波方法，并通过仿真比较了它们的优劣。

This paper presented a case comparison , CIC filter and orthogonal transformation detection method , and compared their advantages and disadvantages through simulation .

卡&洛变换（KLT）是所有正交变换中方差分布最佳者。

Karhunen-Loeve transform ( KLT ) is optimum of variance distribution in all orthogonal transformation .

这类正交变换以Walsh-Hadamard变换开始，到Hartley变换结束。

This set of orthogonal transforms start with walsh-Hadamard transform and end with discrete Hartley transform .

本文将重叠正交变换（Lappedorthogonaltransform）用于正交频分复用（OFDM）系统的调制和解调，提出了新的OFDM实现方案；

In this paper , lapped orthogonal transform ( LOT ) is applied to orthogonal frequency division multiplexing ( OFDM ) system for modulation and demodulation , and a new OFDM scheme is proposed .

本文通过对软件无线电基本理论的研究，得出一种多相滤波数字正交变换的中频软件无线电结构，AD的采样频率只有原采样频率的一半，这样，就降低了对采样器件的要求。

Based on the essential theory research of software radio , a IF architecture of SDR receiver with polyphase filter digital orthogonal transform are brought out in the thesis and the sample frequency of ADC decrease a half .

为解决步进求解带有弯曲底边的声波导Helmholtz方程时局部收敛慢的问题，给出了一类非线性局部正交变换。

To improve the slow convergence while solving Helmholtz equation in the acoustical waveguides with a curved bottom , some nonlinear local transformations are developed .