| 1. | Test of capability for the microreactor as the one used in industry and its digital feature
微型工业反应器的性能检验及其数字特征 |
| 2. | For the diffusion model and numerical simulation model , the numerical character of chaff clouds during diffusion is obtained
对扩散模型进行分析得到了箔条云团扩散过程中的数字特征。 |
| 3. | Abstract : he problem of structural dynamic optimization with the reliability constraints of the frequency is studied in this paper
文摘:首先对结构材料物理参数为随机变量时，结构刚度和质量矩阵的建立以及结构特征值随机变量的数字特征进行了推导。 |
| 4. | 4 . bp neural network arithmetic is used in the handwritten numeral recognition system . in order to reflect the whole character , we use many input modes to train the networks
将bp神经网络引入到手写数字识别中，并采用多种输入模式对不同的bp网络进行训练，从而达到全面反映数字特征的目的。 |
| 5. | From langevin equation , the stochastic resonance characteristics of bistable system were investigated , including the probability density function and other character numbers
通过朗之万( langevin )方程，本文详细研究了双稳态系统的随机共振特性，得出系统稳态输出的概率密度分布函数及其数字特征。 |
| 6. | Comparing numerical character of above two models , it shows that the variance of atmosphere motion must be modified so the time step used in numeric simulation has no effect on numerical character of chaff clouds
对数值仿真模型的分析表明必须对大气的运动方差进行时间离散化补偿，进行离散化补偿后箔条云团的数字特征不受模拟时时间步长的影响。 |
| 7. | Secondly , we construct the sequential confidence intervals for the common number characters : coefficient of variation , skewness and kurtosis , stressing on computing their asymptotic variances in their limiting distributions
其次，我们就常用的数字特征变异系数、偏度和峰度分别建立了它们的序贯置信区间程序，着重算出它们极限分布中的相关渐近方差。 |
| 8. | The main idea of this method include two steps : at first , the approximate expression of function is obtained by method of weighted residuals ; then the first and second moment of the random function can be calculated with method of moment
该方法的基本思想是利用加权残值法获得问题解的近似函数表达式，在此基础上利用求解随机变量函数的矩法求得随机函数的一、二阶矩等统计数字特征。 |
| 9. | In this paper , we focuses on the extended form of a class of o - u process used in [ 1 ] , presents its analytical solution and specifically calculates its numerical characteristics , at last points out that its limit process is our familiar process - geometric brownian motion
研究了[ 1 ]中所使用一类指数o - u过程的推广，给出了其解析解并具体算出了其数字特征，最后指出其极限情形就是我们熟悉的几何布朗运动。 |
| 10. | Then , from the expressions of structural random response of the frequency domain , the computational expressions of the mean value , variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s
在此基础上，从随机振动频域分析出发，导出了在平稳或非平稳随机激励下，随机结构的位移响应均方值、应力响应均方值的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。 |
