空间域

在系统中应用符合数字图像处理特点的区域分解并行算法，这样使在空间域串行图像处理算法得到并行化，从而合理地对任务进行划分与分配，同时保证各DSP处理机负载平衡。

The method can parallel serial digital image processing algorithms which process digital images on spatial domain and implement partition and allocation of processing task of aerial image .

该构架融合了时域帧调制技术和空间域数模转换（DAC）电压灰度调制技术。

This framework includes the time-domain frame modulation technique and the spatial domain digital-analog converter ( DAC ) gray-scale modulation .

在此基础上研究多轴重型车辆在B级空间域路面、不同行驶速度条件下的路面动态响应特性。

The dynamic responses characteristics of pavement were studied under condition of B-grade spatial domain pavement and different speeds .

一种结合空间域和DCT域的数字水印新算法

A new digital watermarking algorithm combining spatial and DCT domain

在Matlab环境下对算法进行了模拟实验，实验主要从空间域和频率域两个方面验证，攻击方式主要考察了与攻击和随机选择攻击。

The algorithm has been simulated in the Matlab environment . The experiments mainly validate from the spatial domain and frequency domain .

利用Fourier变换将空间域位场数据变换到频率域进行谱分析是重力位场数据处理中的一种重要方法。

It is an important method that the potential field data is analyzed in the frequency domain using Fourier transform .

仿真结果表明，在中国大陆范围内，GALILEO系统在时间域和空间域上的整体稳定性优于GPS系统。

Simulation results reveal that global stability and creditability of GALILEO are superior to GPS in temporal and spatial domain .

在频率空间域实现τP变换，优于时间空间域或频率波数域两类传统的τp变换方法。

To perform τ - p transform in frequency - space domain is believed to have more advantages over the two conventional methods of doing it in time-space domain or in wavenumber domain .

再利用快速Fourier逆变换，求出钢轨、轨枕位移及道碴路基的相互作用力在空间域内解。

The rail , sleeper displacement and the interaction force between ballast and subgrade in space domain are obtained by using the Fast Fourier Transform .

利用该成像系统分别进行了时间域多次曝光，空间域光强编码调制，自适应PID反馈控制三种动态范围扩展实验。

Three dynamic range extending experiments are performed with this system : temporal SLM multi-exposure method , spatial light encoding method and self-adaptive PID feedback control method .

利用MPEG-2空间域编解码的结构，提出了一种具有实时实现数字存储播放功能的多媒体系统。

Based on MPEG-2 space domain code structure , the paper presented a comprehensive-digital multi-media system .

基于空间域LSB数字水印的鲁棒性研究

Study of the Robustness of Digital Watermark Based on Least Significant Bit

实验表明在频率域提取纹理特征Gabor小波的方法优于在空间域利用共生矩阵提取纹理特征的方法。

Experiments show that the frequency method as Gabor wavelets is better than the method which extract texture feature in space .

空间域LSB的信息隐藏检测技术研究

Research of spatial LSB-based detection of hidden messages

利用小波阈值去噪方法和传统空间域Lee滤波的特点，提出了一种图像去噪的的组合滤波方案。

By exploiting the characteristics of both wavelet thresholding denoising and spatial Lee filtering , a combined scheme for the noise removal in images is presented .

为提高编码速度，降低计算复杂度，提出一种基于空间域相关性的运动估计算法&缩小的菱形算法（DDS）。

To improve the encoding speed and reduce the computational complexity , a new algorithm called DDS based on spatial correlation was proposed .

此外，论文还在实测系统的丢包率、发送接收延时、时延抖动等各种数据基础上，在理论上从空间域质量损失和时间域质量损失等方面分析了影响系统图像Qos质量的原因。

Thirdly , through gather dates of system , I analysis the reasons that diminish the system quality form space domain quality loss and time domain quality in theory .

方法通过离散余弦变换（DCT）实现遥感图像在空间域和压缩域间的变换，结合实例用两种滤波器对遥感图像在压缩域进行了处理。

Remote sensing image is processed at compressing field . Methods Remote sensing image is transformed between spatial filed and compressing one by DCT .

讨论了水印技术的典型算法，并对它们进行评价，对空间域LSB、DCT域和DWT域水印算法进行了仿真。

Discuss and evaluate the representative watermarking algorithms . Implement three algorithms based on LSB , DCT and DWT domain .

在空间域，提出了一种基于HVS加权颜色特征的图像检索算法。

In the color features aspect , we introduce an image retrieval algorithm based on HVS Weighted color features .

GPSInSAR合成方法将这二种方法融合，能够在空间域与时间域同时发挥出各自优势从而提升地面沉降监测数据的分辨率，已开始成为国内外地面沉降测量技术研究的重点。

GPS-InSAR Integration can enhance the ability of measuring land deformation in both temporal resolution and spatial resolution ; it is becoming an important direction of Land Subsidence investigation technology .

介绍了数字水印算法中常用的MATLAB函数，应用MATLAB语言实现了一个空间域数字水印算法的嵌入、提取和攻击过程，并给出了程序运行的结果。

This paper introduces the commonly used MATLAB function in the digital watermarking algorithm , and implements the embedding , extraction and attack of a spatial domain digital watermarking algorithm in MATLAB with the experimental results given .

经验模式分解（Empiricalmodedecomposition，EMD）是一种新的信号处理技术，它是基于数据本身的，且能在空间域中将信号进行分解，从而可以区分噪声和有用信号。

Empirical Mode Decomposition ( EMD ) is a relatively new signal processing technique . It starts from the data itself to decompose the signals in spatial domain , so it can discriminate the signals from the noise .

传输线矩阵（TLM）方法是一种强有力的时间-空间域内电磁场数值仿真算法。

TLM method is a powerful and flexible tool for numerical analysis of wave propagation in time domain simulations .

本文从U函数本身的特点出发，导出了U函数在空间域中的快速算法，因而使得界面反演时的速度大大提高，使此法具有广泛的实用性。

In light of the characteristic of U function , the space-domain fast algorithm for U function is developed so that the interface inversion is much faster than before , and this method has wide-spread adaptability .

证明松弛状态下的非圆截面螺旋杆无论在空间域或时域均满足一次近似意义下的Lyapunov稳定性条件。

We proved that the Lyapunov 's stability condition in first approximation was satisfied for the helical rod in relaxed state in the spatial domain , as well as in the time domain .

利用Liner的2.5-D时间域声波方程和高阶有限差分近似，研究了2.5维声波方程在时间-空间域中的衰减特性。

Using Liner 's 2.5-D acoustic wave equation and high-order finite difference method , we study the attenuation phenomenon of 2.5-D acoustic waves in space-time domain .

在一次近似意义下证明了螺旋杆在空间域内的欧拉稳定性条件是时域内Lyapunov稳定性的必要条件。

We proved in the sense of first approximation that the Euler 's stability conditions of the helical rod in the space domain are the necessary conditions of Lyapunov 's stability in the time domain .

第三章从空间域与时间域两个方面分析了有限元法与Newmark法求解双曲型热传导方程的理论公式与迭代求解。

In chapter 3 , the Finite Element method in space field and the Newmark method in time field are employed to solve the hyperbolic heat transfer equations .

最后，利用D-S证据理论将时间域融合结果进行了空间域信息融合，并根据决策规则进行了决策。

Finally , using a D S evidence theory , result of the time domain fusion is fused from the space domain , and decision making is also done by a rule of decision making .