Compensation for IC Operational Amplifiers with Variable Parameters by Stage Network 变参数集成运算放大器的梯级网络补偿
The New Advance on the Direct Method of Operational Calculus-On the Solution of nth-Order Linear Ordinary Differential Equations with Variable Coefficients 直接算符演算法的新进展&关于n阶变系数线性常微分方程的解法
Based on the operational limited-area model with uniform grid interval on sphere in National Meteorological Center ( NMC), a limited-area model with variable resolution is designed. 在国家气象中心业务运行的有限区球面均匀网格模式的基础上设计了一个有限区变网格模式。
Operational methods have been suggested according to analysis of leak sealing effect in variable cases of medium pressure. 文章对这类不同的密封剂在不同压力变化情况下的堵漏效果进行了分析对比,提出了该项技术在介质变压下的使用方法。
Based on the air defence forces operational capability evaluation model, the article introduces the way how to use cloud barycenter theory to determine basic assessable variable in evaluation model, which strengthens the reliability and operability of the model. 结合防空兵作战能力评估模型,运用云重心理论确定了评估模型中各指标基本评定值,增强了模型的可信度和可操作性。
The paper introduces the random variable of Bernoulli and discusses its basic operational quality. The paper also tempts to use the digital characteristic of the random variable of Bernoulli and different kinds of operational qualities to caculate the expectancy and variance dispersion of some random variables of discrete. 文章引入Bernoulli随机变量,研究它的基本运算性质,并尝试借助Bernoulli随机变量的数字特征及其各种运算性质来计算部分离散形随机变量的数学期望及方差。
Analysis and identify the design method of the key circuit module in the filter, including operational amplifier, common mode feedback circuit bandgap reference circuits, DC offset elimination circuit ( DCOC) as well as variable bandwidth. 6. 分析并确定了滤波器中的关键电路模块的设计方法,包括运算放大器,共模反馈电路,带隙基准电路,直流偏移消除电路(DCOC)以及多带宽的实现方法。
In the implementation process of the transformation, considering various factors such as the site environment and operational requirements, this thesis determines the selection of high-voltage converter and the scheme of variable frequency transformation for the primary air fan and condensate pump. 在改造实施过程中,综合考虑了现场环境、运行要求等各方面的因素条件对一次风机、凝结水泵高压变频器进行选型并确定改造设计方案。
We use financial index and market indexes measuring operational performance as dependent variable in empirical analysis and comparing the regression results. The evidence of conclusions and recommendations are more fully. 本文以财务指标和市场指标衡量的经营业绩做因变量分别做实证分析,将回归结果进行对比,结论及建议的证据更加充分。