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To solve this problem, an algorithm to analyze and research the multi-harmonic sources was proposed based on certain assumptions, and the calculation formulae of harmonic superposition were deduced based on Big Number Theorem and Central Limit Theorem of probability statistics.

针对这一问题，论文在一定假设条件下，提出了一种研究多谐波源谐波电流叠加的方法，利用概率统计学中的大数定理和中心极限定理，推导出了谐波叠加的计算公式。

For Hu invariant moment having no scale invariance, two modified algorithms are proposed: one is based on the normalized central moment coming from the concept of image square and the other is based on constructing a new invariant moment.

主要贡献如下： 1。针对离散情况下Hu不变矩特征仅仅具有平移、旋转不变性，不具有比例不变性的问题，提出了两种改进算法：一种是从图像正方形概念演变而来的归一化中心矩的修正；另一种是重新构造新的不变矩特征。

Based on OPC technology, by an OPC Client program of VB6, and combined with the virtual test function of Centum Cs1OOO packages, the simply and easily accomplishing process of collecting field data was introduced, and a RTDBS with SQL2000 based on which was designed.

文章以OPC技术为基础，通过VB6软件编写的OPC客户端程序，结合横河CS1000的虚拟测试功能，方便、容易地实现了数据采集，并在此基础上设计了基于SQL2000的实时数据库系统。

This article also with emphasis discussed based on has connected the value the image to go to chirp the method and based on the character shape and the structure direction characteristic quantity extraction process.

本文在图像预处理中重点讨论了灰度图像二值化的多种算法和基于数学形态学的图像去除噪声的方法。

This paper provides an algorithm of constructing self adaptive partial least sqaures regression model based on Chebyshev's polynomial.It automatically builds a multinomial model based on Chebyshev's polynomial with less predicting error.

引 言偏最小二乘法[1 ] 是一种多元统计数据分析方法，它克服了自变量之间的多重相关性，既是一类模型式的方法，又是一类认识性的方法，在统计应用中起着重要的作用。

Based on likeness, Chinese traditional painting mainly applies the rhythm with obvious subjectivity and expresses its feelings through hogarth's line and chiaroscuro, while western traditional painting pays more attention to expressing feelings through color and chiaroscuro with objectivity based on appearance resemblance.

中国传统绘画是在"神似"的基础上对绘画中的节奏进行把握和运用，因此其对绘画节奏的认识具有明显的主观倾向，体现在更注重通过线条节奏和黑白节奏来表达自身的情感和认识；西方传统绘画是在"形似"的基础上对绘画中的节奏进行把握和运用，因此其对绘画节奏的认识具有明显的客观性，体现在更注重通过色彩节奏和明暗节奏来表达自身的情感和认识。

To quicken the calculation speed of genetic algorithm, the chiasma operation and mutation operation are improved; based on the thinking of inheritable character, the destruction of fine gene combination during chiasma operation is prevented; drawing lessons from the thinking of modifying individual speed and position in the light of individual extremum and global extremum in particle swarm optimization algorithm, an evolutional mutation method based on gene character is put forward.

为提高遗传算法的计算速度，对交叉和变异操作进行了改进：基于遗传性状的思想，防止了交叉操作中对优良基因组合的破坏；借鉴粒子群算法中根据个体极值和全局极值修正个体速度和位置的思想，提出了根据基因性状进行进化变异的方法。

Based on that, the Chinese TD-SCDMA terminal quickly made a breakthrough; so far 17 terminal and cell phone products based on those chips have been utilized commercially; furthermore, the research and development of data chips have achieved success as well.

在此基础上，我国TD-SCDMA终端也迅速获得了突破，目前我国基于上述几款芯片共有17款终端、手机产品实现商用，数据卡等研发成功。

This paper introduced the architecture and the related specifications of PSTN based SMS System, especially emphasized CTSI (Chinese Terminal Service Interface) Specifications on Analog Line used in the research and introduced the researches and technologies of software and hardware implementation of iPhone based on PSTN SMS in detail.

并从硬件和软件两个方面较详细地介绍了基于固网短信业务的信息终端开发过程以及相关技术要点。

Based on the feature, a novel caption detection algorithm based on statistics model of chrominance components is presented.

利用该特点，设计了一种在视频压缩流上基于色度分量统计特征模型的标题文字检测新算法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。