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Cooperating the advantages of SVM solve classification problems about small sample set, non-linear and multi-dimension model identification, I use SVM to train the sample set of different frequency signal and look for a super plane to divide the data into two parts. This method gets rid of complex computation which is a flaw of traditional decoding method.This paper introduces the theory and algorithm of SVM at first. It proposes to use the SVM to decode FSK signal based on the classifiable character of SVM.

结合支持向量机在解决小样本、非线性及高维模式识别问题中表现出的许多特有优势,运用支持向量机对不同频率信号的数据样本集进行训练,通过寻找最优超平面来对不同频率信号的数据进行快速分类,克服传统频移键控解码算法中需要进行大量运算的缺点,从而实现频移键控的解码。

A part of auditory neurons of inferior colliculus has characteriatics of multi-channel response, and the frequency of channel equal to the characteristic frequency of neurons.

小鼠下丘部分听神经元具有单通道反应特性,且通道的频率等于神经元的特征频率

The influence of the resonance effect,the conjugative effect,and the inductive effect on the absorption frequency of the characteristic chemical bonds have been discussed mainly in this paper.

重点讨论了共轭效应、共振效应、诱导效应对功能团吸收频率的影响,并利用吸收频率数据比较有机物的某些性质,如羰基化合物的亲核取代反应,若香烃的亲电取代反应,某些酸的酸性强弱,有机物的异构现象。

The IR result shows that conjugative effect is the reason for the red shift of stretching vibration frequency for carbonyl, meanwhile hydrogen bonds lead to the red shift of stretching vibration frequency for hydroxy groups.

红外振动光谱结果发现,共轭效应导致了羰基伸缩振动频率红移,氢键的存在导致了羟基伸缩振动频率红移。

Chinensis, which the herbicide resistant bar gene had been introduced, was planted in the central area of the field and the routine Cruciferae crops were on its two sides.

距离转基因白菜 0~ 3m处为花粉的主要流动区域,其频率占总流动率的 5 0 %左右。2 0m隔离带后基因的流动频率仅为10m隔离带后的 1/2 0 。

Nei'genetic distance showed Schima superba and Cryptocarya chinensis hadsmall genetic distance between every two subpopulations of each own,but Castanopsischinensis had high genetic distance between every two subpopulations of own.

Nei遗传距离结果表明,荷木和厚壳桂两两亚种群间都有非常小的遗传距离,而锥栗却有大的两两亚种群间遗传距离,表明荷木和厚壳桂亚种群间个体的差异小,有较少的位点频率发生变化;而锥栗亚种群间个体的差异大,有较多的位点频率发生变化。

With the developing trend of large size and large capacity, the turbine's natural frequencies are decrescent, maybe reaching the input forces' order of magnitude. So, it is becoming more and more important to analyze the stability of a turbine.

随着水轮机组朝着大尺寸、大容量的方向发展,其自身的固有频率也随之降低,与干扰激振力的频率属于同一数量级,因此,水轮机组运行的稳定性就变成更为重要的问题。

We have researched the output characteristic of the SFRL in the condition of frequency detune, established its theoretical model, and demonstrated it with the experimental results (4) The application of the SFRL used in all-optical clock recovery is researched.

研究了当频率失谐时环腔的输出特性,建立了频率失谐时环腔的理论模型,并通过实验验证了该失谐理论。

Asymmetric over-introgression of the indica alleles on chromosome 7 and many specific regions on other chromosomes in the japonica genetic background is consistent with the general trend observed in the RIL and F_2 populations of the same cross, suggesting a high genetic load in the japonica gene pool, and japonica genome experienced a very severe bottleneck by artificial domestication.2 Genetic background effect on QTL expression of grain weight and its related traitsGenetic background effect on main-effect QTL and digenic epistatic QTL mapping for GWT and its related traits including GL, GW and GT was dissected by a large set of reciprocal introgression lines and recombinant inbred lines derived from Lemont and Teqing in Beijing environment.

籼粳相互导入具有不对称性,粳稻向籼稻背景的平均导入频率与期望值相仿,相反籼稻向粳稻背景的平均导入频率大大高于理论预期,位于第7染色体和一些其它染色体的特殊区段存在籼稻等位基因的超导入现象,在来自相同亲本的重组自交系和F_2群体中也观察到同样的导入趋势,表明粳稻基因组具有较大的遗传负荷,粳稻品种在人工驯化过程中曾经历过一个非常剧烈的遗传瓶颈。2水稻籽粒相关性状的主效和互作QTL表达的遗传背景效应利用Lemont和特青培育的双向导入系和重组自交系群体,在北京环境下定位影响千粒重及其相关性状如粒长、粒宽和粒厚的主效和互作QTL,分别在特青背景导入系、Lemont背景导入系和重组自交系下检测到影响千粒重及其相关性状的主效QTL分别为33个、27个和13个,互作QTL分别为4个、8个和23个,其中仅有6个主效QTL(QGwt5,QGl1,QGl3b,QGl4,QGw7和QGw8)在籼粳两个不同背景下共同表达,3个主效QTL(QGwt5,QGwt7a和QGt5)在导入系和重组自交系中共同表达,分别占检测到影响这些性状QTL总数的11.1%和4.3%,未检测到在3个背景下相同表达的互作QTL。

We compare it to fixed frequency networks, which are either too slow exhibiting unbounded delays, or are dimensioned for the worst case with very high frequency and are very power hungry.

我们将其与固定频率的网络相比,后者要不太慢,呈现出无节制的延迟,要不被定位用于很高频率的最坏情况,而且很耗功率。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。