利用截断面包师变换对图像进行加解密。
The application of a truncated baker transformation to digital image is proposed.
风的影响变换对我们来说同样是一个有趣的参数。
The impact of changes in the formation of the wind is also an interesting parameters for us.
运用K - L变换对已提取的特征向量进行降维。
本文采用二阶z变换对转录因子结合位点序列进行建模。
This paper models transcription factor binding sites (TFBS) using two-step Z transform.
结果表明,离散余弦变换对近红外光谱具有较强的压缩能力。
The results indicate that the discrete cosine transform has a good compressibility to NIR spectra of tea.
基于最小二乘法的平面相似变换对粗差的反映不灵敏、稳健性差。
The plane similitude conversion, based on the least square method, is not sensitive to gross error and has worse stabilization.
本文用欧几里得算法,给出求解基矢变换对应矩阵的解析表达式。
An analytical method to find correspondence matrix for basic vector transformation is given by using elementary theory of numbers.
首先用分水岭变换对图像作“过分割”,得到标注的积水盆地和堤坝。
Firstly, a watershed transformation (WT) is used for oversegmenting the image in different small basins and dams.
分析了非线性变换对图像产生的影响,提出一种复合变换补偿的方法。
This paper analyzed the effect of general nonlinear transformation to images, and proposed a composite transformation method.
物理含义:能量信号的自相关函数与能量谱密度函数构成傅立叶变换对。
Physical meaning: the self-correlation function and the energy spectrum density function compose a Fourier transform pair.
该流程基于仿射变换对待纠正影像和已地理编码的参考影像进行粗配准。
An affine transformation model was employed for coarse registration between unregistered and reference geo-coded image.
应用伽利略变换对简化后的方程进行变量变换,使得曲面函数仅与空间相关;
The Galilean transformation was applied to the simplified equation to make a surface function related to only coordinates.
上式表明:功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
进一步的理论分析表明,只有存在一个幺正变换对称群时,才有一个守恒定律。
Further theoretical analysis indicates that there is a conversation law only when unitary transformation symmetry group exist.
为了克服HMT模型存在的计算溢出困难,采用尺度变换对EM算法进行了改进。
To overcome the overflow difficulty existing in HMT model, a scaling algorithm is developed to improve expectation maximization (EM) algorithm.
计算机利用快速M变换对混合信号进行分离,从而得到视网膜各个区域的反应信号。
The computer separates the mixed signal by means of fast m transform and obtains responding signals from each area of retina.
方法应用小波变换对早期病理嗓音信号进行多重分解,提取和放大频谱的高端噪声。
Methods the noise on high frequency domain was obtained and magnified after the pathologic voice signal was decomposed on multiple levels by means of the wavelet transform.
本文对谐振子的因果律和解析性质进行了研究,并由此推导出谐振子的希尔伯特变换对。
This paper studies the causality and analyticity characteristics in harmonic oscillator, and from which drives Hilbert transform pair.
研究了基于整数到整数形状自适应离散小波变换对任意形状感兴趣区域的有损和无损编码技术。
Arbitrary shape region of interest lossily and losslessly coding technology based on integer-to-integer shape adaptive discrete wavelet transform has also been studied.
采用分段线性变换对白天亮背景下低对比度图像序列进行对比度增强,最关键的是分段点的选取。
Selection of the subsection point is the key to enhance low contrast image under light background by subsection linear transformation.
在双重性原理的应用部分,还提出了交叉卷积、交叉循环卷积、借用变换对法等新概念与新方法。
Some new ideas and methods for the application of the duality theory are presented, such as cross convolution, cross cyclical convolution and borrowtransform-pair methods.
用傅里叶变换对含有噪声干扰的试验数据进行滤波,通常难以确定奇异点在空间的位置及分布情况。
It is difficult to confirm the position and distribution of singularities in space generally when the test data with noise disturbance is filtered by Fourier transform.
并根据小波变换在噪声滤除及数据压缩方面的优势,选取小波变换对光谱数据进行滤噪和初步压缩。
For the advantage of wavelet transform in denoising and data compression, we choose wavelet transform to denoise and compress the data of Near-infrared spectra.
这表明了小波变换对于非整次谐波的检测和分析是可行的,从而为谐波的精确检测提供了有效的手段。
It proves that it is feasible to apply the wavelet transformation to the detection of non-integer harmonics, thus, an effective means is provided for accurate detection of harmonics.
首先应用小波包变换对结构振动测试数据进行特征提取,通过不同传感器特征向量的合成完成数据层融合;
Firstly, Wavelet packet transform is introduced to extract features of vibration measured data and information fusion of data layer is conducted by assembling feature vectors of different sensors.
对于车牌定位,作者提出了一个基于小波变换的定位方法,采用小波变换对车牌图像进行边缘检测和定位。
The author presents a new method base on wavelet transform in the locating of license plates. The license plate image can be detected and located using wavelet transform.
本文利用小波变换对火炮误差角信号进行处理,改善了误差角信号的质量,有效减小了稳定精度的测量误差。
In this paper, the signal quality is improved via denoising in wavelet transformation domain, as a result the measuring error of stabilization precision is reduced.
针对电能质量扰动信号的特性,本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
分析了基于部分迭代函数系统(PIFS)的传统分形图像压缩编码中8 种对称旋转变换对编码性能的影响;
The effects of 8 isometry transforms used in PIFS based fractal image coding on performance are discussed.
并将该方法与传统快速傅立叶变换分析结果进行比较,探讨了使用小波变换对工程实测数据进行分析的可行性。
The method is compared to the traditional FFT(Fast Fourier Transformation)analysis. The feasibility of analyzing the engineering measure data using wavelet transformation is discussed in this paper.
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