相位

After verifying the importance and stability of phase information in image processing, the thesis studies on phase congruency function.

其次，论文对基于图像相位信息的边缘检测算法—相位一致性算法进行了分析研究。

Experiment proved that the method based on phase congruency is the one that is invariant to illumination and magnification, robust to noise.

对要匹配的两幅图像，先计算它们的相位叠合，把它们的相位叠合映射成256个灰度级，在这一对新图像上尝试FMI-SPOMF算法，结果比较满意。

First, we extract the illuminance invariant feature using the phase-only reconstruction and the phase congruency analysis.

该方法首先利用单纯相位谱重构和相位一致性分析实现光照不变特征提取，然后利用PCA方法实现人脸图像的降维表示，降低识别所需的计算量。

To improve the bandwidth and power efficiency of conventional QPSK signal, the continuous phase QPSK is proposed.

针对导致传统QPSK信号带宽效率和功率效率低的相位跳变问题，提出了连续相位QPSK， CPQPSK调制。

The conventional discrete random phases by registers shifting method are replaced by the introducing continuous uniform distribution phases. The proposed method can produce high quality random signals and is convenient in the software programming.

采用连续均匀分布的随机相位代替原来以寄存器移位方式生成的离散随机相位，这不但提高了信号的生成质量，而且使编程过程更简单。

According to the frequency-domain convolution theorem, we can prove the peak frequency and phase are frequency and phase of the harmonic wave signal.

根据频域卷积定理证明最大峰值点的频率和相位就是信号的实际频率和相位，依据由卷积关系得出的关于幅值的方程求出校正幅值。

A universal analytic potential energy function is derived using the cosine function with a phase factor,which is suitable to be applied to the interactions between two atoms in a molecule or molecule and ion.5 kinds of common potential curves are obtained by adjusting phase factors.

利用一种带相位因子的余弦函数，导出了适用于双原子分子或分子离子间相互作用的普适性解析势能函数，通过调节相位因子可获得5种常见形态的势能曲线。

In this paper,a design method of two dimensional Linear Phase Nearly Perfect Reconstruction filter banks based on a new class of cosine modulation systems is presented,which can be described as follow: firstly,the Parks-McClellan algorithm is adopted for designing the prototype filter,then by employing cosine modulation,a series of analysis and synthesis filters can be obtained,accordingly a one-dimensional LP-NPR filter banks can be constructed;Secondly,cascading two one-dimensional LP-NPR filter banks in the form of tree structure and using the unimodular transformation,a two dimensional nonseparable LP-NPR filter banks can be obtained.

提出了一种基于一类新余弦调制系统的二维线性相位-近似完全重构滤波器组的设计方法，设计过程分为两个步骤：首先采用Parks-McClellan算法来计原型滤波器，再经过余弦调制能到一系列的线性相位分析和综合滤波器，从而可以构造一维LP-NPR滤波器组；然后利用树状结构来结合两个一维LP-NPR滤波器组，并运用单位模变换，可以得到二维不可分离LP-NPR滤波器组。

With the regard of the container stacks of container yard which were parallel with the wharf surface direction, the buffer based fuzzy control strategy was firstly presented to solve the avoiding collision of crossway for automated container terminal using AGV.

针对集装箱堆存箱区水平于岸线布置的自动化集装箱码头布局，结合港区道路交通特点，对交叉口AGV避碰问题提出基于模糊控制的缓冲区策略，核心是路口缓冲区的设定和相位时间的确定，并设计了模糊控制器以解决相位配时问题，利用仿真软件建立了交叉口交通流的仿真模型，对目前常用的FIFO策略和FCB策略进行了仿真分析和比较，为自动化集装箱码头交通控制决策提供支持。

As response signal of damped free vibration could be considered as product of the harmonic wave and the unilateral exponential function and the rectangle window, the peak frequency and phase are frequency and phase of the harmonic wave signal is proved in theory in this paper.

针对自由衰减振动信号的连续谱，将其看成无限长谐波信号与单边指数函数及矩形窗的乘积，在理论上证明峰值点的频率和相位就是信号的实际频率和相位。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。