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- A novel approach of speckle noise reduction is put forward according to the distributions of signal and noise under different scales of Synthetic Aperture Radar (SAR) images based on Wavelet Packet Transform (WPT). 根据信号和噪声的小波系数在不同分解尺度上的分布;提出应用小波包变换(WPT)消除合成孔径雷达(SAR)图像斑点噪声的新方法.
- The Research of PLC Wavelet Packet Noise Cancelling Method Based on Multi-Wavelet Functions 变小波基的小波包电力通信消噪方法的研究
- The numeric example showed that the wavelet packet analysis can resist noise disturbs and detect the structural damage effectively. 数值算例表明,小波包分析具有较强的抗噪声干扰能力,能够有效地识别结构的损伤。
- Good night exposures with noise reduction enabled. 夜间曝光带噪声降低开关,好。
- The quality of the noise removal was improved by combining wavelet packet transform with latent variable regression (LVR). 该法结合小波包变换和潜变量回归改进除噪质量。
- How much noise reduction level have you achieved ? 你已经达成多少噪音减少水平?
- Aiming at the problem of noise elimination of radar p icture, a way to employ wavelet packet analysis to eliminate noise of radar pict ure is proposed. 针对船用雷达图像消噪问题 ,提出了应用小波包分析算法对雷达图像进行消噪处理。
- Focused on the wavelet analysis in image enhancement, noise reduction, compression and fusion. 重点论述了小波分析在图像增强、降噪、压缩和融合中的应用。
- Wavelet packet is used for noise speech decomposition,which is better than the traditional orthogonal wavelet threshold de-noising method. 采用小波包对含噪语音进行分解,克服了传统的正交小波变换的缺陷。
- The quality of the noise removal was improved by combining wavelet packet transform with latent variable regression (VLR). 该法结合小波包变换和潜变量回归改进除噪质量。通过最佳化,选择了小波函数及小波包分解水平(L)。
- You can configure performance reports for noise reduction. 您可以配置性能报告以便降噪。
- No ability to control colour saturation, tone or noise reduction. 没办法控制色彩饱和度,色调和噪声控制。
- By using noise reduction, performance problems are more prominent. 使用降噪后,性能问题就变得更为明显。
- 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 wavelet packet theory has the good hour-frequency characteristic,it can be availably used for the noise suppression processing of the digital signal and withdrawing the signal characteristic. 小波包分析具有优良的时频特性,可以有效地用于数字信号的消噪处理和对信号进行特征提取。
- If noise reduction is enabled, an information bar will display in the report. 如果启用降噪,会在报告中显示一个信息栏。
- 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。
- Cab uses new steel structure, broadminded, secure, damping noise reduction. 驾驶室采用新型钢构,视野开阔,安全可靠,减震降噪。
- 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
