Aft erward , the author gives a block diagram of a 380 - voltage lab sample , the computation method of the main circuit parameters , the design of main hardware circuit and the part of the software realization in controlling circuit of the limiter 然后,给出了380v实验室样机的系统框图、主电路具体参数的计算方法和二次控制回路的主要硬件电路的设计方法、部分软件实现方法。
At last , an orthogonal test designing method is proposed to study the influences of various fcg and power conditioning circuit parameters on the system performance , to find out those most influential factors and to make them optimized 最后文中提出应用了正交试验设计方法对影响fcg和脉冲功率调制电路性能的参数进行研究,以此来确定影响系统运行的主要因素和优化参数的努力方向。
The equivalent - circuit parameters and resonant frequencies of the piezoelectric quartz crystal resonance , the value of half peak width of the electroacoustic conductance spectrum ( fg1 / 2 ) as well as the electrical double - layer capacitance were obtained and analyzed 获得并分析了pqc谐振等效电路参数、谐振频率、电导谱半峰宽f _ ( g1 2 )和双电层电容,考察了电极界面发生的吸附动力学过程。
We now take digital circuit approaches to realize the algorithms , i . e . using microprocessor to calculate harmonic components . so as to overcome disadvantages of analogy circuits , for example , instable circuit parameters , low calculation accuracy , inconvenient regulation and low integration level 在算法实现上,采用数字方式,即采用微处理器进行数值计算,克服了模拟电路元件参数不稳定、计算精度差、调节不方便和集成度低等缺点。
The results indicate that , under the condition of charge discreteness , the equation for mesoscopic circuit is evident different with that of classical one , and the energy spectrum of the circuit are not only related with the circuit parameters , but also depended the quantization character of the charge 结果表明,在电荷离散的条件下,介观回路方程的形式与经典方程有显著差别;介观电路的能谱除与电路参数相关外,还明显依赖于电荷量子化的性质。
Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure , discharge power and tuning circuit parameters etc . the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear 实验结果表明这种跳变回滞现象与等离子体的放电气压、射频功率以及调谐外电路的参数等多种因素密切相联系。而产生跳变回滞现象的原因是icp中存在容性耦合以及鞘层电容具有非线性特性。
The cold model of helical traveling wave tube ( twt ) and the hot model of beam - wave interaction have been developed , based on three - dimensional twt - cad technology , to analytically , to analytically evaluate influence of small variations in helical slow - wave circuit parameters , within or without the manufacturing tolerances , on cold - hot characteristics of the helical twt 摘要借助于行波管cad技术的发展,建立了螺旋线行波管三维电磁冷模型和注波互作用大信号模型,就螺旋慢波电路参数在公差范围内外做细微变化时,所带来行波管冷热特性的影响进行了全面研究和讨论,得出了一些有用结论。
Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike . for assessing performance of circuit - breaker , the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis , the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below , in compliance with the correlative standard jb5871 and the test devices , and the test circuit parameters have been calculated and the many testes have been carried out 在理论分析的基础上,考虑实验室现有设备的情况依据标准jb5871的规定,选用合适的试验设备,对试验线路的参数进行计算,在实验室建立了252kv及以下电压等级断路器开合线路充电电流直接试验线路,利用该线路进行了数台产品的试验,分析了试验结果,并根据试验结果和理论基础讨论了gb t1984 - 200 《交流高压断路器》 (报批稿)关于开合线路充电电流试验的有关规定。
The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach , the inverter ’ s averaging model is presented , and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done . prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed 以全桥桥式拓扑为例,论述了双向电压源型高频环节逆变器单极性移相控制的原理、逆变器在一个高频开关周期内的十二个工作模式及其等效电路;采用状态空间平均法建立了逆变器平均模型,获得了这类逆变器的关键电路参数的设计准则和外特性曲线;分析了系统稳定性,并对逆变器高频环节原理进行了数学分析。
In this section , the main content is about the transducer and the low - pass filter . the simulation program of wave filter circuit and the stability of wave filter and analogue signal pspice analysis are integrated in chief . these are constituted as a circulatory feedback mode , so that it speeds the process of establishing electric circuit parameters 尤其在低通有源滤波器的分析与设计这部分内容中,将滤波器电路的程序仿真、滤波器稳定性分析和pspice分析设计有机的结合起来,组成了一个循环反馈的分析模式,加快了电路参数的确定过程,缩短了产品的研发周期。