介绍了电路分析方法中的相量法、谐波分析法。
Introduces the phasor method, and the harmonic analytic method in the electric circuit analysis methods.
本文首先简述一般变换法的有关概念,然后者重论述相量法。
Here we review simply some concepts concerning transform, and then introduce the phasor analysis.
然后,采用相量法求解出正弦电压激励下各并联支路的电流;
Then, the current of the paralleled branch coils excited by sine voltage is obtained by way of phasor.
相量法是分析正弦稳态电路的数学工具,实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit. It is essentially a style of transform.
相量法是分析正弦稳态电路的数学工具,实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit.
在时域中,总结出应用螺旋相量分析过渡过程和稳态过程的统一方法,文中将这个方法叫螺旋相量法。
In the time domain, this paper gets an integrated approach to analyze the transient and steady state processes using the spiral vector. The integrated approach is called the spiral vector method.
在时域中,总结出应用螺旋相量分析过渡过程和稳态过程的统一方法,文中将这个方法叫螺旋相量法。
In the time domain, this paper gets an integrated approach to analyze the transient and steady state processes using the spiral vector. The integrated ap...
在时域中,总结出应用螺旋相量分析过渡过程和稳态过程的统一方法,文中将这个方法叫螺旋相量法。
In the time domain, this paper gets an integrated approach to analyze the transient and steady state processes using the spiral vector. The integrated approach is called the spiral...
正弦稳态电路分析往往要采用相量法,在分析过程中若能灵活运用相量图为辅助工具,则能为问题的解决提供简洁的思路。
The sine steady circuit is analysed by means of vector mode. If the vector mode is flexibly used as the auxiliary tool in the analysis, it will provide simple way to solve the problem.
为研究含TCSC的电力系统的稳定性和动态特性及设计TCSC的实用化控制策略,提出了计及电抗器支路电阻影响并结合动态相量法的TCSC建模方法。
To better understand and control the interactions between TCSC and power system, a kind of dynamic phasors model of TCSC considering resistance influence of reactor branch is proposed.
摘要目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
文中用逼近法和双线性变换法,设计了用于圆度测量的高斯数字逼近滤波器,并给出了零相移的递归滤波算法,计算量小,计算效率高,易于实现。
A series of Gaussian digital approximation filters used in roundness measurement were designed on the basis of approximation method and bilinear transformation.
采用微量化学方法和固相萃取技术,建立了气相色谱法简单、快速、准确地测定荞头中甲胺磷农药残留量的方法。
A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.
用大口径毛细管气相色谱法跟踪监测了西安地区夏秋两季14种蔬菜167个样品中有机磷农药残留量。
The residues of organic phosphorus pesticide were determined by large bore capillary gas chromatograph in 167 samples of 14 kinds of vegetables in Xi an region.
本文用气相色谱法考察测定了全国7个生产厂家22个批号的氨苄青霉素钠的有机溶媒残留量。
By using gas chromatography residual organic solvents were determined in 22 batch Numbers of ampicillin sodium produced by 7 pharmaceutical factories of our country.
定性地分析电力系统正常运行状态和故障后的稳态量时,电压相量图法是十分有用的工具。
The voltage vector diagram is a very useful method that can make a qualitative analysis of the steady values of power system in normal and fault conditions.
采用程序升温气相色谱法和氢火焰离子化检测器,对土壤中15种农药的残留量进行检测,该法简便、快速。
The amounts of 15 kinds of pesticide residues in soil were determined by gas chromatography of programing temperature with FID detector. The method is simple and rapid.
试验结果表明,加入湿法白炭黑超细粉的试样拉伸强度比添加气相法白炭黑者提高了54%,扯断伸长率提高了64%,磨耗量降低了20%。
The results showed that the sample by adding the ultrafine powders of silica aerogel increased the tensile strength 54%, the elongation at break 64%, decreased the abrasion loss 20%.
排阻色谱法做为一种特殊的液相色谱技术可用于分子量分布的测定及按分子量的不同进行的制备分离。
Size-exclusion chromatography, as a special liquid chromatography, is used to determine the molecular weight distribution and preparatively separate the samples according to the molecular weight.
建立微波萃取-气相色谱法同时分离测定水果、蔬菜中7种有机磷农药残留量的方法。
A method of separating and determining 7 organophosphorous pesticides residues in fruits and vegetables at the same time by gas chromatography was established.
建立了快速溶剂萃取-气相色谱法同时测定含脂羊毛中47种有机磷杀虫剂残留量的方法。
This study developed a method for simultaneous determination of 47 organophosphorous pesticides in greasy wool by accelerated solvent extraction (ASE) coupled with GC-NPD.
第五章,采用高速匀浆法提取、柱层析法净化技术,成功建立了气相色谱质谱法同时测定银杏叶中5种有机磷农药残留量的方法。
Chapter five: A simple and rapid method was used to determine the residues of 5 organophosphorus pesticides in Ginkgo Biloba leaves by gas chromatography-mass spectrometry (GC-MS).
电渣双联法生产稀土铁铬铝合金时,稀土在三相有衬电渣炉中的最佳加入量为0.5%。
When producing the rare earths Fe-Cr-Al alloy by electroslag remelting method, the optimum quantity of rare earths added to three phase lining electroslag furnace is 0.5%.
本文用信号分解和叠加的理论及方法,推导出一种适用于分析运算放大电路反馈特性的“分解方框图”,并通过实例介绍了相量图分析法。
In this paper, authors deduce a analysis scheme explaining feedback characteristic of a operation amplifier using the theory and method of signal composing and decomposing.
为了进一步证明二氧化锰对甲醛的去除效果,简化实验装置等,比较了气相法和液相法的吸附结果,研究了甲醛溶液浓度和吸附剂粒度对甲醛吸附量的影响。
In order to determine the efficiency of formaldehyde removal and simplify the experimental equipment, the adsorption capacities were compared between gas phase method and liquid phase method.
与传统的模拟电路的故障字典法不同,本算法可诊断软故障,计算量小,而且很容易推广到多时相scn。
Differing from the traditional fault dictionary algorithm of analog circuits, this algorithm can diagnose soft faults. It requires less computation and may be easily extended to multiphase SCNs.
文章给出了一种快速判断三相变压器联接组的方法———相位递推法,这种方法和相量图法比较具有简单、快速、准确的特点。
The phase recurrence algorithm that estimates connection group of three-phase transformer fleetly was given in this article.
前言:目的:建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
采用水相悬浮法氯化高全同聚丁烯-1(HIPB-1),其氯化产物氯化高全同聚丁烯-1(CHIPB-1)通过差示扫描量热法进行测试和分析。
High isotactic polybutene-1(HIPB-1)was chlorinated by aqueous suspension method. Chlorination products CHIPB-1 were tested and analyzed through DSC.
采用水相悬浮法氯化高全同聚丁烯-1(HIPB-1),其氯化产物氯化高全同聚丁烯-1(CHIPB-1)通过差示扫描量热法进行测试和分析。
High isotactic polybutene-1(HIPB-1)was chlorinated by aqueous suspension method. Chlorination products CHIPB-1 were tested and analyzed through DSC.
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