查询词典 wavelet

The result shows that continuous wavelet transform can pick up feature of 2-level protein structure availably.

结果表明采用连续小波变换能有效提取蛋白质二级结构的特征信息。

Wavelet filtering and averaging method are used to extract the weak VEP signal from strong background noise.

采用累加平均和小波滤波提取强噪声背景下微弱的视觉诱发电位。

This paper,by means of the unified model of vehicle-track systems,performs a simulating calculation of the railway track and vehicle,caused by track stiffness change.On the basis of simulation calculation,this paper tries to analyze the influence of track stiffness change on axle box acceleration with wavelet and power spectrum density.

据此运用车辆-轨道垂向系统统一模型对不同轨道刚度情况下引起的车辆和轨道响应进行了仿真计算，并对计算结果进行小波分析和功率谱处理，主要分析了钢轨、轨下垫层、道床刚度的变化对客车轴箱加速度的影响，同时对用客车轴箱加速度的变化反推道床的刚度状态进行了探索。

Railway track ; sleeper ; ballast ; axle box acceleration ; wavelet analysis

轨道；垫层；道床；轴箱加速度；小波

Application of wavelet transform in background processing of 2D image.

小波变换在二维图像背景处理中的应用。

Methods of wavelet transform are effective methods of time-frequency analysis under the background of strong noise.

小波变换是在强噪声背景下进行信号时频分析的有效方法。

The first half of the data is used for aerodynamic coefficients modeling, and the second half is used for verification of the resulting model based on pre-estimation of ballistic curve, the results indicate the wavelet network model of aerodynamic coefficients has generalization ability and applicability.

最后，通过建立某导弹飞行器六自由度动力学模型并进行仿真，得到样本数据，将其中一半数据用于小波网络气动力系数建模，模型参数辨识完成后，基于弹道重构原理将模型代入动力学系统进行弹道预测，将预测结果与另一部分样本数据进行比较以检验模型的推广能力，结果表明所建模型具有很好的推广能力和适用性。

A new regional remote image fusion method based-on wavelet transform is presented.

提出了一种基于小波变换的区域遥感图像融合方法的改进。

Basing on the properties of wavelet transform,a method is presented in his paper.

基于时频分析的性质，提出了一种雷达目标识别方法。

A method for reasonably integrating the characters of Bayer pattern with the process of wavelet transform is presented.

该方法不用迭代，大大缩短了重建时间，与Gunturk等所提方法的计算代价之比为19：432。

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。