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- Haar wavelet transform is implemented at one level as the sinusoidal voltage signal is sampled at fixed intervals. 新相子由实小波域的复信号组成,所需的小波变换只须在第1个尺度上进行。
- By using Mexican-hat wavelet and Haar wavelet transform,the abrupt change points of Chinese temperature in the last 120 years are discussed. 用墨西哥帽小波和哈尔小波函数分析了我国气温变化的突变点位置 ,并用气温序列的 5 a滑动平均序列计算了信噪比 (S/ N) ,进一步验证了突变点的位置。
- Theoretical analysis indicates the sequence of coefficient module of Haar wavelet transform has discrete spectral lines in the power spectrum. 通过对此单极性脉冲序列的功率谱分析可知,在基带信号码元速率的整数倍处存在离散谱线,检测这些离散谱线即实现了信号码元速率的估计。
- Losless encoding of CDF(2,2)combine with SPIHT comparison whit ARJ ,JPEGLS and integer Haar wavelet transform with DPCM,improved compression rate by40%,30%,15%respectively. CDF(2,2)结合SPIHT编码的无损图象压缩比与ARJ,JPEGLS,整数Haar变换结合DPCM相比分别平均提高了40%25,30%25,15%25左右。
- It does not need the prior knowledge,overcomes the problem of undetected information of haar wavelet transform method and increase the applicability of the method of automatic modulation recognition based on wavelet transform. 验证该方法较现有文献利用Haar小波变换识别信号方法具有更好的性能,而且克服了现有文献采用Haar小波变换识别调制信号的漏检问题,提高了运算速度和性能,并有效增加了小波变换识别调制信号方法的适用性。
- An algorithm based on the Haar wavelet transform(HWT) was developed for blind estimates of pseudo-random code(PC) rates and symbol periods of direct sequence spread spectrum(DS/SS) signals in low signal to noise ratio environments. 为解决低信噪比下直扩信号的参数估计问题,提出了一种基于H aar小波变换实现直扩信号伪码(PC码)速率和符号周期盲估计的新型算法。
- The first component comprises image processing techniques, such as edge detection and 2-D Haar wavelet transform, for the feature extraction of pneumonic manifestations in CXR images. 其中一部分利用边界侦测及二维小波转换等技术以撷取肺炎胸部X光表徵。
- A Study of the Audio-information Compression Realized by Haar Wavelet Transform Haar小波变换实现音频信息压缩的研究
- Keywords medical image retrieval;Haar wavelet transform;texture analysis; 医学图像检索;哈尔小波变换;纹理分析;
- Study of Two-Dimension Optical Haar Wavelet Transform Filter by Computer Generated Hologram 用计算全息制作二维Haar小波变换滤波器的研究
- Haar wavelet transform 哈尔小波变换
- We propose a Hurst index estimation method based on DFGN model and Haar wavelet. 针对这些问题,对WO法进行改进,提出一种基于DFGN模型和Haar小波的Hurst参数估计方法;
- Lighting,occlusion and BRDF functions are pre processed on Haar wavelet basis in PRT framework. 在PRT框架下,利用小波变换对光照、遮挡、BRDF等函数进行预处理。
- Objective Apply wavelet transform to denoise medical image. 摘要目的利用小波变换进行医学图像去噪。
- Denoising analysis of OTDR data based on wavelet transform[J]. 引用该论文 王韶波;李康;孔繁敏;吴涛.
- Methods of signal processing in LIA based on wavelet transform[J]. 引用该论文 杨兴林;王华岑;徐铁铮;李劲.
- quantum Haar wavelet transforms 量子Haar小波变换
- Haar wavelet transformation Haar小波变换
- By using wavelet transform, the emission of HHG in different time is obtained. 利用小波变换,观察了高次谐波在不同时刻的发射情况。
- In this paper, wavelet transform with nonlinear scale (NWT) is introduced. 我们介绍了一种非线性尺度小波变换(Wavelettransformwithnonlinearscale,NWT)。
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