source impedance
英 [sɔːs ɪmˈpiːdns]
美 [sɔːrs ɪmˈpiːdns]
网络 源阻抗; 电源阻抗; 来源阻抗; 等效阻抗; 電源阻抗
双语例句
- The second effect is the rise in voltage resulting from the capacitive current of the line flowing through the source ( generator) impedance.
第二个影响是线路电容电流流过电源，阻抗引起的电压升高。 - This paper presents a novel concept for system integration at system level, which is to select output impedance of source converter and input impedance of load converter as objects of standardization.
该文提出一种新颖的系统集成的观点，即从系统级的高度将分布式供电系统中的源变换器的输出阻抗和负载变换器的输入阻抗作为标准化研究的对象。 - Take into account each line's bandwidth requirement, source impedance, signal magnitude, and run length;
考虑每条线带宽的需求，源阻抗、信号幅值和运行长度； - EMI noise source impedance measurement based on modified dual-current-probe approach
基于改进双电流探头法的EMI噪声源内阻抗测量 - The devices are ideal for portable, low power applications, especially with high source impedance.
上述器件非常适合便携式、低功耗应用，特别是较高源阻抗应用。 - The preamplifier will drive a low impedance load without alteration in the signal, in fact it can be used as a current source driving a0 impedance mixer junction without any distortion.
这个前级放大器能够驱动一个低阻抗的负载而不会引起信号的变化，实际上它可以用作一个驱动零阻抗混合节点，而又不产生任何失真的电流源。 - Mixing Frequency Excitation Current Source Used in Bioelectric Impedance Measuring System
用于生物阻抗测量的混频激励电流源 - Study on Double Feedback Current Source for Biologic Impedance Measurement
用于生物阻抗测量的双反馈电流源研究 - Three key problems in design of ultra low noise preamplifier are discussed, such as the relation of the source impedance to noise figure, the influence of feedback on noise and the application of active mask.
文章研究了超低噪声前置放大器设计中的三个关键问题，即信号源内阻与噪声系数的关系，反馈对噪声系数的影响及有源屏蔽技术的应用； - A microwave three probe system has been used to study the changes of annular waveguide plasma source impedance with operational parameters.
采用微波三探针研究了环形波导等离子体源阻抗特性随运行参数的变化。 - Under the perturbation of source impedance and frequency of the power system, changes in fundamental current of inject into every filter of passive power device was analyzed based on numerical method.
基于数值方法，分析了电网电抗及电网频率摄动时流入滤波装置各通道基波电流的变化过程。 - By means of a protective relay test set, using constant source impedance model, the dynamic characteristic of a LZ-16 relay for both a forward and reverse fault is tested with success.
根据系统侧阻抗恒定的模型，利用微机型继电保护测试装置模拟正、反两个方向上的短路故障成功地对LZ-16型相间阻抗继电器的动态特性进行了测试。 - The concept of apparent impedance of controlled source and the apparent impedance method for electronic circuit analysis are introduced in this paper.
本文提出了受控电源视在阻抗的概念和电子线路分析中的视在阻抗法。 - In case of large-signal S parameters are difficult to achieved and source impedance and load impedance at 1710MHz~ 2110MHz provided by the manufacture is useless, a load-pull approach based on Agilent's ADS software is provided in order to obtain required input and output impedance.
在大信号S参数无法获得而厂家提供的1710MHz~2110MHz范围内的源阻抗和负载阻抗参数又不能用时，利用一公司的ADS软件，采用负载牵引法得到了输入和输出阻抗。 - Then noise source impedance is estimated by insertion loss method based on experiments. A method of designing EMI filter is proposed, which simplifies the design of EMI filter.
基于对噪声源阻抗的分析，提出了一种用于设计EMI滤波器的方法，经过共模和差模干扰的设计实例表明，该设计方法确实简单、有效。 - AIM: To find a better driving mode for single driving source in electrical impedance tomography ( EIT), the different effects caused by adjacent and polar driving to the amplitude, dynamic range, accuracy and sensitivity to center area of boundary signals were compared.
目的：在单激励源条件下，比较临近驱动和对向驱动模式对体表测量信号的幅值、动态范围、精度及中心区域的敏感性等的影响，为阻抗成像寻求相对较优的驱动模式。 - The EMI noise source impedance of an SMPS is essential in EMC design.
开关电源的电磁干扰噪声源阻抗在电磁兼容性设计中是个非常重要的参数。 - The on-line small disturbance voltage stability index can be easily calculated using the voltage phasor of equivalent source voltage and impedance from real time equivalence.
利用实时等值得到的系统等值电势和阻抗，经过简单的计算，可以得到被监测负荷母线的电压稳定指标。 - Considering the shortage of voltage sensitivity in small source impedance ratio systems and with high resistance earth fault, the voltage fault component is replaced by memory voltage component to determine the fault direction.
针对无穷大电源系统中和经高阻接地时存在的电压灵敏度不足的问题，采用保护安装处的记忆电压代替其电压故障分量，从而使保护可以判别出故障的方向。 - AIM: To improve the stability of the current source for brain electrical impedance tomography ( EIT) data acquisition system.
目的：提高脑部电阻抗断层成像数据采集系统的恒流源的输出稳定度。 - Optimal Design of Excitation Source in Impedance Watercut Meter
阻抗式含水率测量仪激励源的优化设计 - For the radiation problem, we give the method of setting source and calculating input impedance.
对于辐射问题，给出了设置激励源与计算输入阻抗的方法。 - A swept and several frequencies mixed signal source for electrical impedance parameters tomography
用于电阻抗参数成像的多频率组合扫频信号源 - The input impedance is matched conjugately to the source impedance according to the maximization gain.
对于输入电路，则按照最大增益的原则使源阻抗与输入阻抗共扼匹配； - As for a certain multi-load method used to calculate the source impedance, correct results may be obtained by employing some loads, while a great deviation to the true value may be caused by employing some other loads.
采用同一种多负载法计算声源阻抗，不同的负载选取方法可能会得到正确的结果，也可能所得结果与真值有很大偏差。 - The proposed maximum sound power method obtained all positive real parts of source impedance, which had actual physical meanings.
最大声功率法能得到全是正的声阻值，使得计算结果更有实际的物理意义。 - If the acoustic source impedance is known, the transfer matrix method is convenient and accurate for the prediction of acoustic characteristics of exhaust system.
如果声源阻抗已知，则用传递矩阵法来预测消声系统的声学特性是比较方便准确的。 - A major factor that affects the accuracy of the results is the selection of loads in addition to the difference between various multi-load methods employed in the source impedance evaluation.
声源阻抗计算中，影响多负载法计算结果准确性的因素，除了采用的不同多负载计算方法的差别外，另外一个重要的因素就是负载组合的选取。 - This thesis introduced the research situation and methods of I.C. engine exhaust noise source impedance, compared several major multi-load methods and discussed their relevant advantages and disadvantages.
本文介绍了内燃机排气噪声源阻抗的研究现状与获取方法，对几种主要的多负载法进行了详细的比较和讨论，阐述了它们的优缺点。 - Based on the generation and propagation mechanism of CM noise, a simple method to determine the CM noise source impedance for power converter is presented, and the simplified CM equivalent circuit model for power converters is deduced.
基于功率变流器共模噪声的产生和传播原理，提出了一种简单的方法确定功率变流器的共模噪声源阻抗，推导了功率变流器的简化共模等效电路模型。