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- 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。
- 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。
- 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。
- The face detection algorithm is based on the eye detection and Modified Golden Ratio(MGR). 该人脸检测算法是基于眼睛检测以及修正黄金比率(MGR),最后获取人脸。
- 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。
- The golden ratio is found not only in great art and architecture, but also in nature. 除了伟大的艺术作品和建筑物，黄金比例亦可见于大自然之中。
- 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。
- The face detection algorithm is based on the eye detection and Modified Golden Ratio (MGR). 该人脸检测算法是基于眼睛检测以及修正黄金比率(MGR)，最后获取人脸。
- The dimensions of the Great Pyramid of Giza in Egypt conform to the golden ratio. 位于埃及吉萨的大金字塔，其长宽高比例正符合黄金比例。
- 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。
- Le Corbusier explicitly used the golden ratio in his Modulor system for the scale of architectural proportion. 柯布明确的将黄金分割比例用于他的模数体系中作为建筑比例的尺度。
- Marquardt contends that the golden ratio can be detected in the iris, the colored part of the eye. 马夸特医生认为黄金比例在虹膜里能被检测出来，这个瞳孔中有色的部分。
- For example, the spiral shape of a seashell has the symmetry of a golden spiral, another derivation of the golden ratio. 例如，贝壳的螺旋即与黄金螺旋（黄金比例的衍生形式）的比例相称。
- A method is presented for decomposing the image with Haar wavelet and partitioning the image as text, picture and background based on the statistical distribution of the Haar wavelet coefficients in LH and HL high frequency bands. 用Haar小波分解图像;并基于LH和肌高频带Haar小波系数的统计分布规律将文本图像分割为文字、画面和背景.
- Moreover, the famous fifteenth-century Italian artist, Leonardo da Vinci, deliberately2 used the golden ratio in his paintings. 此外，十五世纪著名的意大利艺术家达?芬奇也在画作中刻意使用黄金比例。
- With Delphi as a platform,this paper has a detailed study of the principle and methods in realizing the audio-information compression by Haar wavelet,and has a further exploration to the practical result. 文章利用Delph i语言为平台,阐述了Haar小波用于音频信息压缩的实现原理和方法,并对应用结果进行了探讨。
- Some studies of the Acropolis, including the Parthenon, conclude that many of its proportions approximate the golden ratio. 一些对于雅典卫城和帕提农神庙的研究表明，它们的很多比例接近黄金分割比。
- 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。
- After Pythagoras with his golden ratio and Plato with his forms, the mathematics of Beauty went largely untouched until Leonardo da Vinci. 在毕达哥拉斯的黄金比例和柏拉图的理论之后，直到达芬奇之前美丽的数学一直处于毫无进展的状态。
