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After comparing and choosing optimize designmethods which are used often to engineering design, Improved Decimalist GeneticAlgorithm is adopted, with the help of excellent body clone+child body prepotencytechnology, the section view of balancing weight retaining wall is searched globly ,sooptimize design is achieved.

根据衡重式挡土墙的设计理论，构造衡重式挡土墙的优化设计模型；通过比选常用于工程设计的优化设计方法，采用改进的十进制遗传算法，利用优体克隆+子体优生操作等先进技术对衡重式挡土墙的截面形式进行全局搜索，从而实现衡重式挡土墙的优化设计。

The design of the sampling rate conversion sub-module includes that of interpolator,decimator and shaping filter,during the course of which,the researcher choose different methods,comparing their corresponding spectrum masking performance of the transmitter as well as EVM and PER performance of the receiver respectively to choose an appropriate shaping filter.

在设计当中，作者选择了不同的方法，通过比较发送端的频谱屏蔽性能以及接收端的误差向量幅度性能和误包率性能选取合适的成形滤波器。

A detection method of double-threshold constant false alarm movement object on double-base synthetic aperture radar includes finalizing distance compression of various pulse-sampling, dividing orientation time to be multiple CPI, carrying out FFT in each CPI to enter orientation frequency domain, comparing data amplitude of frequency channel at external of clutter region with the first threshold and outputting point trace, making coagulation on point trace, making Hough transform in point trace domain and making decision of the second threshold.

本发明涉及一种用于双基地合成孔径雷达的双门限恒虚警运动目标检测方法，其特征在于：1对每个脉冲采样完成距离压缩；2把方位时间分割成多个相干处理间隔；3在每个CPI内做快速傅立叶变换进入方位频域；4把杂波区外的频率通道的数据幅度和第一门限比较做判决并输出点迹；5点迹凝聚；6在点迹域做Hough变换并做第二门限判决。

Data shows, PPG2007 year sale and comparing of the corresponding period grew decuple above 2006, the fourth quarter is more for many times odd-numbered days sale achieves 30 thousand.

李亮对此表示，PPG模式是在借鉴美国目录销售经验的基础上，经过思考并结合中国特色而形成，如何在二线城市扩张和改变广告轰炸的营销方式是PPG所面临的最大挑战。

In this paper, the fundamental theories and general development situation of composite foundation had been summarized at first. By comparing the application effectiveness and economical efficiency of several major piles types used in soft soil area, it was been indicated that these piles types were all defectively on bearing capacity or economical efficiency, while the rigid-flexible, long-short pile composite foundation could make full use of its bearing capacity, reduce the quantity of piles, and satisfy settlement and bearing capacity requests.

本文首先综述了复合地基及复合桩基的基本理论和发展概况，通过对深厚软土地区几种常用桩型应用情况及经济性能的比较，指出现行的几种常用桩型都不同程度地在承载能力或经济性上存在一定的缺陷，而通过比较表明刚柔性长短桩复合地基能最大限度的发挥复合地基的承载力，以减少用桩量，并满足工程对沉降和承载力的要求，因此，具有良好的经济性。

Comparing and analyzing the different names called by different scholars, the author considered that the section should be named "Special Defense"just as pondering on the means of the words and the idea of legislation of self-Defense. The Special Defense means the statutory situation that in order to defend oneself or the others against the serious violence crimes which are endangering the body safety, anyone who carried out self-Defense, even if caused the violator dead, need not take any criminal responsibility.

比较该款的不同称谓，从字义及立法本意的分析看，该款应命名为"特殊防卫"，它是指刑法所规定的，行为人为了本人或者他人免受正在进行的严重危及人身安全的暴力犯罪的侵害，实施正当防卫行为，造成不法侵害人伤亡后果，不负刑事责任的情形。

Light output analysis tests character of spectrum radiate of pyrotechnic mixtures and analyses wave band distribute of light by comparing different static blaze spectrograms of the pyrotechnic mixtures. Screen out the better pyrotechnic mixtures according to request of pumping source. Press experiments in airtight erupt container experiment, which simulate the circumstance that pyrotechnic mixtures deflagrate in quartz pipe, realize the press influence to the quartz pipe wall and the disciplinarian of axes press variety. Apply these pyrotechnic mixtures to Nd:YAG lasers as the pumping source and compare pumping efficiency of different pyrotechnic mixtures. Pumping efficiency is an important standard which checkout if these pyrotechnic mixtures are the better pumping source. Sensitivity experiment analysis incarnate security of pyrotechnic mixtures that is the essential parameter in the process of design, manufacture and use.

通过对烟火药的热分析(爆热分析、DTA、TG)，了解备选烟火药反应过程中的能量输出特性及反应过程中的物理、化学变化规律；光输出分析实验对烟火药配方光谱辐射特征进行测试，比较其静态火焰光谱图，分析不同烟火药剂光辐射波段分布特征，根据激光泵浦源的辐射要求，进而筛选更符合激光泵浦源药剂要求的烟火药；模拟烟火药在石英管中爆燃环境的密闭爆发器压力分析实验反映了烟火药在石英管中反应时对管壁的压力影响以及管内轴向压力变化规律；将烟火药作为泵浦源应用于Nd：YAG固体激光器，比较不同烟火药的泵浦效率，作为检验烟火药是否适合作为激光泵浦源的重要标准；感度实验分析体现了各种烟火药的安全性，是烟火药设计、制造和使用的必要示性数。

At the same time, we can determine the symmetry degree of the two edges on the parts by comparing the distance form the parts center to the edge.

通过比较零件从中心到两切边的距离差，确定零件两切边的对称度。

I wondered in the alley deliriously for a long time,carefully observing the passers-by, just like a computer comparing them with the images in my brain.

我像个疯子一样在街道上转了半天，我仔细的观察经过我的每个人，像个电脑一样的核对他们的轮廓。

Its performance is studied through simulation in bad HF channel, and comparing with the conventional differential demodulator is described.

仿真了常规差分解调器和新的差分解调器在恶劣短波信道环境下的性能对比。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。