研究非线性锥型梯度折射率媒质中的模式变换特性。
Properties of mode conversion in a nonlinear conical graded index medium are investigated.
并利用共轭、互易、反演点对变换方法图解高斯光束传输变换特性。
The conceptions of conjugation, exchange and inverse evolve point pair are used to explain the transformation properties of Gaussian beam.
借助于动量表象的完备性条件,证明了该算符的么正性及其变换特性。
The unitarity and transformation properties of the operator are analyzed by virtue of completeness of momentum representation.
利用解析方法详细分析了激光光束在带光阑光学系统中的传输和变换特性。
By using this analytical method, propagation and transformation characteristics of light beams through an apertured ABCD optical systems are analyzed analytically.
结果表明,它的变换特性依赖于光功率、入射光束的束腰、物距以及透镜参数。
It is shown that the transformation characteristics depend on optical beam power, the beam waist of incident beams, object distance and lens parameters.
基于傅里叶-梅林变换特性和相位相关性,提出了一种新的抗几何失真数字水印算法。
A new watermarking detecting algorithm which resists geometric distortion is proposed, based on Fourier-Mellin transform and phase correlation features.
本文简述了它的工作原理,并在前人分析的基础上提出了滤波器动态概率变换特性的概念。
In this paper, the basic principle of this DPLL and the concept of the dynamic probability transformation characteristic are proposed.
利用一点光源和一束倾斜平行光拍摄了一种离轴全息透镜,并对其傅里叶变换特性进行了分析。
The Fourier transform characteristics of off-axis hololens was discussed, which was made by using a dot light source and an inclined parallel light.
本文采用矩阵光学的方法,分析了高斯光束经球端面抛物型梯度折射率棒透镜的传播与变换特性。
Based on the matrix optics, the propagation and transformation characteristics of Gaussian beam through a parabolic gradient-index rod with the spherical end surfaces are analyzed.
分析像散椭圆高斯光束的传输变换特性,推导出半导体激光束的像散校正与旋转对称化变换公式。
In view of the above, the transformation properties of astigmatic elliptic Gaussian beams are analysed overall, the exact formulas of correcting astigmatism and rotary symmetrize transformation.
在分析傅立叶变换特性的基础上,利用傅立叶变换核的三阶对称性,给出了一种快速傅立叶变换算法。
After analysing the character of Fourier transform, using 3 level symmetry of Fourier Kernel as a new algorithm for fast Fourier transform was proposed.
由测量数据拟合出了球形探头在工频电场和冲击电场作用下的变换特性曲线,得到了探头变换特性的关系式。
Through the experimental data processing, the curve of the transfer characteristic and the relationship equation are gained in this paper.
同时,神经网络所具有的非线性变换特性和高度的并行运算能力使得其适合建立非线性预测模型进行参数预测。
At the same time, the nonlinear mapping property and high parallel process ability of ANN make it suitable to be applied to establish nonlinear prediction model to perform parameter prediction.
在对带白噪声信号的小波变换特性分析的基础上,基于自相关函数的白噪声检验方法,提出了一种确定小波分解层数的自适应算法。
Threshold de-noising based on wavelet transform which is proposed to determine the decomposition order adaptively is an efficient method to reduce the white noise in the digital signal.
在当代西方世界,快速变换着的款式迎合了人们对新奇和独特性的追求。
In the contemporary western world, rapidly changing styles cater to a desire for novelty and individualism.
您可以尝试输出特性,设置错误处理(不仅在xsl变换时,而且还在查找输入源时),并发现API中的各种好东西。
You can play around with output properties, set error handling (not only for XSL transformations, but also for locating input sources) and find a variety of other goodies in the API.
该文系统地讨论二极管工作在开关特性下所组成电路的频率变换的工作原理。
This paper tries to discuss the work principle of frequency transformation on the circuit where diodes work on on-off speciality.
本文将保角变换法与点匹配法结合起来,得到了一种计算同轴线特性阻抗的方法。
Based on conformal transform method and point matching method, a method to calculate the coaxal line characteristic resistance is presented.
本文在频变参数基础上提出了一种计算电晕线路响应特性的新变换方法,并用其计算了线路的雷电波响应。
Based on the frequency parameters, a new transformation method to determine the response to lightning impulse wave on transmission line with corona is proposed in this paper.
实验结果表明,用这种方法所研制的电动汽车DC DC变换器输出电压精度高,抗干扰能力强,调节特性快速、平稳。
Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.
通过分析小波分解作为分形图像编码预分解的有效性和小波域内仿射变换的特性,提出一种基于分类的小波域内的分形图像编码方法。
With analyzing the availability of fractal image coding and the characters of affine transform in wavelet domain, a fractal image coding approach based on classifications is presented in this paper.
实验结果表明,该变换器具有高效率、低电磁干扰等特性。
The experiment proves that the converter possesses high efficiency and low EMI.
利用小波变换域中人眼的视觉特性,提出了一种提取水印时不需要原始图像的数字图像水印算法。
By making use of human sight property in wavelet domain, a binary image watermark algorithm without using the original image in the watermark extraction has been presented.
基于我们的工作,本文分析了无衍射光束的物理意义,贝塞耳光束的传输变换和聚焦特性。
Based on our work, the physical meaning of diffraction-free beams, the propagation and transformation as well as focusing properties of Bessel beams are analyzed.
提出了一种利用相位变换形状保持特性的错误恢复编码新方法。
A new method is proposed for error correction coding based on shape preserving characteristic of the phase-only transform.
利用自相似过程在小波分解下的特性,提出了基于小波变换的自相似信号检测算法。
A detection approach based on wavelet transform is proposed for these self-similar signals, which is obtained from the properties of the self-similar process after wavelet transform.
本文对压阻式振动角加速度传感器的惯性变换系统的结构特性、工作原理进行了分析讨论。
The paper aims at discussing structural performance and operation principle of inertial transform system for vibration angular acceleration transducer of compressive resistance.
小波变换是一个新兴数学分支,本文利用小波变换的特性研究图象数据压缩方法,以探寻高比例、高质量压缩图象数据的新途径。
The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.
构造了正交小波变换矩阵,分析了平稳模型和非平稳模型下正交小波变换的残余相关特性。
Orthogonal wavelet transform (OWT) matrix is constructed and the residual correlation property of OWT is analyzed under the stationary and nonstationary models.
构造了正交小波变换矩阵,分析了平稳模型和非平稳模型下正交小波变换的残余相关特性。
Orthogonal wavelet transform (OWT) matrix is constructed and the residual correlation property of OWT is analyzed under the stationary and nonstationary models.
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