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- Application of multi band wavelet on simplifying DEM with lose of feature information 多进制小波及其在DEM数据有损压缩中的应用
- Objective To explore the effect of band power and wavelet packet entropy in the recognition of hand imagery. 目的探讨脑电信号频带能量和小波包熵在识别左右手想象运动中的作用。
- multi - resolution analysis of wavelet packet 小波包多分辨率分析
- A new method called as FFT plus M band wavelet transform is presented to improve the radar MTD performance. 提出了在FFT后加M-带小波变换提高雷达MTD性能的一种新方法。
- Firstly, the characters of wavelet transform and wavelet packet analysis were introduced. 首先,简略地介绍了小波变换与小波包分析的特点。
- The Multi Band Excitation vocoder was developed by Griffin in MIT in 1987. Subsequently the improved MBE was adopted by Inmarsat as a standard for satellite voice communications. 多带激励声码器(MBE)由MIT的Grifin在1987年提出,其改进算法(IMBE)已被IN-MARSAT采纳作为卫星话音通信的标准。
- In this paper,we present a new method and visualization technology for exploring subtle traps using narrow band wavelet scanning. 本文提出了一种利用窄带子波扫描探测隐蔽圈闭的方法及可视化处理技术。
- We choose wavelet and wavelet packet because wavelet transform (WT) itself has the character of multiresolution. 之所以选择小波和小波包变换是因为小波变换本身就是多分辨率的,这使得它比那些固定分辨率的变换,比如STFT(短时傅立叶变换)更加适合人类的生理声学模型。
- The wavelet packet transform can be used to compress seismic data in large batch processing. 在大批量地震数据处理中可以使用小波包变换压缩地震数据。
- A new digital watermarking algorithm based on BPN neural network is proposed.Watermark embed processing is carried out by transforming the host image in four band wavelet domain. 摘要提出了一种基于BPN神经网络的水印新算法,首先对数字图像进行四进制小波分解;
- Finally,the possibility of wavelet packet modulation application in Digital AM transmission system is discussed. 通过与基于离散傅里叶变换的正交频分复用调制系统进行比较 ,探讨了小波包调制应用于数字调幅传输系统的可能性
- The computer simulation and informal listening test results show that the new Multi Band Mixed Excitation Linear Predictive ( MBMELP ) speech coder at 2.4 kbit/s can produce a synthesized speech quality close to that by CELP algorithm at 4 8 kbit/s . 计算机模拟及非正式的语音试听结果表明 ;新的多带混合激励线性预测语音编码器在 2 4kbit/s编码速率重建的语音质量接近于 4 8kbit/sCELP算法的质量 .
- Abstract: We developed a real-time wideband speech codec adopting a wavelet packet based methodology. 摘要:本文论述采用小波包法进行实时宽带语音编码。
- In this paper,mean threshold is presented on which wavelet packet de noising is studied. 文中提出了平均阈值的概念 ;并在此基础上研究了小波包去噪的效果 .
- It has been proved that the wavelet packet de noising is an effective method prior to wavelet de noising. 仿真结果表明 ,基于平均阈值的小波包去噪是一种有效的去噪方法 ,其效果优于小波去噪
- Firstly, the optimal WPD (wavelet packet decomposition) with the fuzzy criterion is obtained. 首先,利用模糊准则得到最优小波包分解;
- The paper has researched the remote sensing image wavelet packet fusion based on the ARSIS concept. 摘要研究了基于ARSIS概念的遥感影像的小波包融合方法。
- Suitable for radio and multi band radio 适合于汽车收音机和各种频段的无线电
- The theory of wavelet packet transform and the method of voltage signal analysis with wavelet packet was presented. 简述了小波包变换的基本原理及利用小波包对电压信号进行分解的方法。
- Flexibility and the precise ability of local analysis in wavelet packet analysis during signal denoising are analyzed. 分析了小波包分析在信号去噪中所具有灵活精确的局部解析能力;
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries