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In this new model, the fuzzy-Markov theory is applied to analyze and predict the state transition of the uncertain factor in SPA model. By this way, the precision can obtained a significant improvement. Based on the correlation coefficient and mean square deviation of eigenvalue, two verify methods for fuzzy-Markov fitting in multidimensional space are suggested.

针对fuzzy-Markov子系统,分别提出了基于相关系数和特征值方差的多维空间模糊马尔可夫链拟合效果检验的两个新方法,并据此定量考察fuzzy-Markov子系统对参数响应的敏感性,用以确定最佳的模型参数组合。

Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave.

同方相同频率的两个简谐振动的合成;机械波产生的条件;平面简谐行波的运动学方程。

Week 4 Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave.

第4周 同方相同频率的两个简谐振动的合成;机械波产生的条件;平面简谐行波的运动学方程。

In order to study the factors related to Enterobius infection among per-schoolchildren, a structural questionnaire with multi-stages and a random sampling was designed to interview parents of 702 pre-schoolchildren. The questionnaire included personal information of the children: their educational background and parents' occupation; the status of their housing; their handwashing habits, and their frequency and habits of bathing, etc. In addition, the children's pinworm infections were examined using two-consecutive-day adhesive cellophance paper perianal swabs. Variables causing the pinworm infection among infected and noninfected children were analyzed by x2-test and multi-variable tests including discriminant analysis and stepwise multiple regression.

为了解学龄前儿童蛲虫感染之因素,以结构型问卷多步骤随机抽样访视702名学龄前儿童的家长,问卷的内容包括:儿童个人资料、儿童父母亲教育程度、职业、住屋情形、卧室分配情形、手部卫生习惯、洗澡习惯等,并以连续两天玻璃胶纸肛围擦拭法〈two-consecutive-day adhesive cellophane paper perianal swabs〉检查儿童的蛲虫感染情形,儿童蛲虫感染与各单变项的相关,以卡方检定〈x2-test〉分析,而多变项的分析则以判定分析〈discriminant analysis〉及逐步复回归〈stepwise multiple regression〉进行分析。

Qu, square although the style is disparate,the jail Chinese of 2 people stalks of grain, but accurate the thought height that recorded the two openhearted, just sincerity, Communist that is brave in to ponder and mental state, extremely valuable to studying the thought position of Communist of Wang Ming period.

瞿、方二人的狱中文稿虽然风格迥异,但都准确记录了两位襟怀坦白、正直真诚、勇于思索的共产党人的思想高度和精神境界,对研究王明时期共产党人的思想状态极有价值。

Based on the analysis of the Doppler effect of the mobile channel, the performance of two MIMO-OFDM systems (STTC-OFDM and SFBC-OFDM) in the fast-moving environment is studied. Then, the algorithm for channel estimation based on the training sequence is extended into the fast-moving environment by introducing the space-frequency coding, the method of the equal-interval pectinate pilot-inserting, and the complete Maximum-Likelihood space-frequency decoding.

针对快速移动环境中存在的多普勒效应,研究了两种多输入多输出正交频分复用系统在快衰落信道中的误码性能,采用空频编码梳状等间隔导频插入方式,以及完全最大似然空频分组码解码算法,使用导频与接收信号进行信道参数估计,将一般多输入多输出正交频分复用系统中的基于训练序列的最小均方误差信道估计算法推广到了快衰落信道环境中。

The formation mechanism of the screw structures on the surfaces of polytype crystals is discussed according to the theoretical model of anionic coordination polyhedron growth units.

本文用负离子配位多面体生长基元理论模型讨论了多型性晶体表面螺旋结构的形成,提出在多型性晶体中配位多面体呈层状分布,配位多面体的面为层的边界,上、下层负离子配位多面体不是呈镜象对称的,在三方晶系和六方晶系的晶体中是沿晶轴a、b错开,上、下两层负离子配位多面体体呈交叉对应,从而达到稳定平衡。

Considering the fat-tail phenomenon that may exist in practical data, we have also studied the PTLE for the multi-t distribution model based on the three large sample tests above. Performances of the estimators according to the quadratic bias and mean square error are similarly compared in detail.

考虑到实际数据可能存在的厚尾情况,本文研究了文献中讨论颇多的多元t分布模型的基于大样本检验的等式约束预检验Liu估计,并同样在平方偏差和均方误差两个准则下对其优良性进行了详细比较。

In the communicating chain between the author, translator and reader, the translator acts as an intermediary, or as the receiptor and speaker/writer simultaneously in the communication triangle in terms of pragmatism.

在原作者,译者,读者的关系链中,译者处于一个中介人的位置(方梦之,2002),从语用学角度分析,其实也就是同时处于交际三角中的"受众"与"写作者/演讲者"的两角。

Often divided into two types:(1) sine wave oscillator, according to the network oscillation frequency of the different loop selected further divided into RC sinusoidal oscillator, LC sinusoidal oscillators, quartz crystal oscillators, voltage-controlled oscillator, voltage-controlled crystal oscillator and other forms;(2) non-sinusoidal oscillation device, also known as relaxation oscillator, is the use of capacitor charging and discharging and active device (transistor, FET, single-junction transistor, etc.) to generate the pulse-off square wave, rectangular wave, triangle wave, sawtooth wave, or these basic waveforms synthetic waveform and its frequency by the LC time constant charge and discharge circuits to decide.

常分两大类型:(1)正弦波振荡器,根据振荡环路中选频网络的不同,又分为RC正弦波振荡器、LC正弦波振荡器、石英晶体振荡器、压控振荡器、压控石英晶体振荡器等多种形式;(2)非正弦波振荡器,又称张弛振荡器,是利用电容充放电及有源器件(晶体管、场效应管、单结晶体管等)的通断来产生脉冲方波、矩形波、三角波、锯齿波或这些基本波形的合成波形,其工作频率由LC充放电电路的时间常数来决定。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。