如果一个或多个基础方程是非线性的，例如在应用二极管的场合，那么整个系统也就成了非线性的。
If one or more elemental equations are nonlinear, as is the case for a diode, then the overall system is nonlinear.
并使用连续性方程，在考虑表面复合过程的情况下，提出了短二极管的少子寿命计算公式。
This paper calculates the expression between minority-carrier lifetime and switching time in short diode by analyzing the continuity equation when considering the surface recombination.
仿真结果表明换极后的球谐函数计算扰动引力能够满足精度要求，且在计算中弹道方程的解算速度也有很大的提高。
The result of simulation indicates that this method not only satisfies the precision but also enables us to enhance the calculation speed of the trajectory equations.
将其和晶体管发射极电流方程相结合得到不同偏置下晶体管的热点温度。
And together with the transistor current equations, the hot spots temperature of a transistor under different bias is obtained.
本文根据的一个数学定理，对受多个物理白噪声激励的极一般的一个自由度系统导出了随机平均方程。
Based on a theorem due to Hasminskii, a stochastic averaging equation is derived for a general system with one degree of freedom subject to physical white noise excitations.
并且给出了计入串联电阻影响后进行电流电压方程参数提取的方法，以便把共振隧穿二极管直流模型加入电路模拟软件中进行电路设计。
In order to add the DC model of RTD into SPICE circuit simulator and design RTD circuits, parameters of current-voltage equation were extracted after considering the effect of series resistance.
通过使偏心圆齿轮节曲线的极坐标方程的极角按整倍数缩小的方法获得了变形偏心圆齿轮节曲线的极坐标方程。
The modified eccentric circular centrode has been obtained by reducing the polar Angle of polar equation of eccentric circular centrode by integral multiple.
本文采用积分方程法计算带极靴的任意形状的磁透镜。
In this paper, an integral equation method is developed for calculating the magnetic field produced by the iron-shielded lens of arbitrary shape.
给出了求解岩石冲击波初始参数的基本方程和极曲线方法。
The basic equations and the polar curve method to solve the initial parameters of shock wave in rock are also developed.
导出了线元切向量的变形方程以及拉伸轴在极射赤面投影图上位置变化计算公式。
The purely kinematical equation for the tangent vector of a line element is derived.
对二极管电流方程在实际应用中存在的问题进行了分析。
On the diode current equation in the experimental application of the existing problems are analyzed.
运用电化学原理，推导出适合于金属络合物体系极谱研究的数学方程。
According to electrochemical theory, a mathematical equation for polarographic study on a metal complex system is derived.
给出手征媒质中电磁势满足的时谐波动方程，运用并矢代数方法求解了电磁势的并矢格林函数，以偶极振子为例研究了手征媒质中的远区辐射场性质。
Time--harmonic wave equations of electromagnetic potential in chiral media are given, the dyadic Greens function is solved by using dyadic algebraic method, then.
第三章介绍了多级降压收集极模拟计算涉及的物理方程。
Chapter 3 describes the equations concerned with the simulation of MDC.
只有在极特殊的情况下超定方程组才有精确解，一般情况下都是求超定方程组在某种意义下的近似解。
Only in under very special circumstance, an overdetermined systems have accurate solutions and general an approximated solution is often found in some determination of the overdetermined system.
本文证明任意阶次磁多极子场力线方程总可以用有限形式解析地表示，并对偶极族和四极族磁多极子场力线的位形给予注记。
In this paper it is pointed out that the equation of field lines of a magnetic multipole with any order and degree can always be analytically expressed in term of finite form.
从描述电子束运动的基本方程出发，引入一定条件下的近似，获得了一种实用的同轴二极管电流、电压与几何参数关系的近似解析解。
According to the Maxwell equations, an analytic solution related with coaxial diode current, applied voltage and geometry parameters is obtained by introducing certain approximation.
本文利用具有电（磁）荷、磁矩和质量四极矩引力场方程的解，讨论了具有电（磁）荷、磁矩和质量四极矩天体的某些引力效应。
By means of the metric for the celestial body with electric-magnetic charge, magnetic momentum and quadrupole moment, some gravitational effect are studied.
本文还给出了圆弧的投影方程，为计算机绘制极赤图提供了计算方法。
Besides, the projecting formula of the circular arc is also listed in the paper, which can offer the computer a calculating method to draw stereoscopic projection.
基于PCB平面结构宽带天线，通过推导满足天线边界条件的电流积分方程，利用矩量法对PCB宽带加载天线进行了计算分析，在对计算结果分析的基础上，初步制作了单极和双极PCB加载天线。
A large part of this paper is an analysis of the using of Method Of Moment in PCB wideband planar loaded antenna on the basis of a wideband antenna in PCB planar structure.
利用单调迭代方法给出了中立型滞后微分方程的周期边值问题极解的存在性定理。
The monotone iterative techniques is used to investigate the existence of extremal solution of periodic boundary value problems (PBVP) for neutral delay differential equation.
酸化碱渣表面吸附作用力主要为偶极间力和氢键力，吸附过程可用一级动力学方程模拟。
The adsorption forces on the surface of acidified alkaline residue are mainly dipole bond force and hydrogen bond force. The adsorption process can be simulated by the first order kinetic equation.
对割前脱联合收割机摘脱割台流场特性进行了分析， 认为摘脱滚筒周围气流速度随极半径增加而减小，方向与极半径垂直，建立了气流流速分布方程。
The air flow rate around stripped rotor was analyzed and studied. The velocity decreased with the increasing of the radius and the direction was perpendicular with the direction of radius.
对割前脱联合收割机摘脱割台流场特性进行了分析， 认为摘脱滚筒周围气流速度随极半径增加而减小，方向与极半径垂直，建立了气流流速分布方程。
The air flow rate around stripped rotor was analyzed and studied. The velocity decreased with the increasing of the radius and the direction was perpendicular with the direction of radius.
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