查询词典 wavelet

To solve some problems in analysing fault signals of compressor,extraction and recognition of fault signal with Morlet continuous wavelet was proposed.

针对目前压缩机故障信号分析中存在的问题，提出了用 Morlet 连续小波对故障信号进行提取和识别。

A wavelet transform zero-crossing method for extraction of spectral lines and continuous spectrum fitted with the traditional method,...

提出一种小波变换零交叉点方法用于提取谱线和拟合连续谱，与传统方法相比，。。。

A new active contour model based on wavelet transform and GVF snake model is proposed in this paper.

本文结合小波变换与梯度矢量流模型提出了一种新的动态轮廓模型。

To detect cooling water system,a method based on wavelet forecast for sensor fault diagnosis is proposed.

以船舶冷却水系统传感器故障检测问题为目标，提出了基于小波神经网络预测器的传感器故障诊断方法。

In this paper a method based on discrete wavelet transform and discrete cosine transform is presented to compress color image.

中文摘要：本文给出了一种基于离散小波变换和离散余弦变换的彩色图像压缩方法。

Prepared by the images of discrete cosine transform and wavelet transform the source code can run.

Visual C++编写的图像的离散余弦变换和小波变换的源代码，可直接运行。

Detection and analysis of power quality disturbances signal based on discrete cosine transform and wavelet transform.

基于离散余弦变换和小波变换的电能质量扰动信号检测方法。

Methods of Discrete Cosine Transformation and Discrete Wavelet Transformation are two ways, and also make a comparison of these two ways.

采用的方法是离散余弦变换和离散小波变换两种方法，并且还对这两种方法进行了比较。

The problem of contour segment of 2-dimensional image could not be gotten very well with wavelet transform in image processing is analyzed in this paper.

首先分析了小波变换在进行图像处理时不能有效表示直线/曲线的奇异性问题，然后研究了能够很好表示二维或更高维奇异性的Contourlet变换的基本原理。

In the thesis, the author firstly clears up some basic theories of wavelet analysis, revises some formulae and proves and deduces some theorems and formulae in detail and gives a counter example and paradox.

本文首先对小波分析的理论部分进行整理，对部分公式进行修正，同时给出了部分定理和公式详细的推导和证明，并且给出无穷区间积分的一个反例和悖论。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

We need you to cosign our public letter demanding that press intimidation cease immediately, and that all charges be dropped.

我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。