Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
仪表放大器电路以其高输入阻抗、高共模抑制比、低漂移等特点在传感器输出的小信号放大领域得到了广泛的应用。
It is not in need of buffer stage for cascading because of high input impedance.
因为具有很高的输入阻抗，所以级联时不需缓冲级。
The input impedance of a rectangular microstrip patch is discussed by this method.
利用本方法对矩形微带贴片的输入阻抗进行了讨论。
The small electrical antenna is characteristic of a low input impedance and a low efficiency.
传统的电小天线其特点是低输入电阻和低效率。
Also, the relationship between the input impedance and load impedance of the waveguide is discussed.
讨论了波导管输入阻抗与负载阻抗之间的关系。
A device which has an extremely high input impedance, low switching speed and low power consumption.
一种高输入阻抗、低开关速度及低功耗的半导体器件。
The proper optimization of the gain and input impedance of an antenna is discussed in the view of practice.
从实用的角度出发，讨论了对天线增益和输入阻抗的合理优化问题。
DVM usually got an input impedance of 10 Mohm. There may be loading effect when measuring high impedance circuit.
数字式电压表通常有10兆欧的输入阻抗。当测量高阻抗电路时﹐可能会有影响。
A full-scale analysis of input impedance of the operational amplifier under the state of differential input is given here.
本文对运算放大器在差动输入状态下的输入阻抗问题做了全面的分析。
The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.
其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。
Numerical results show the effects of the lossy medium and antenna parameters on input impedance, which could be used in DE...
本文的数值结果分别给出了有耗介质及天线结构参数对输入阻抗的影响，为天线设计提供了依据。
The axial cavum measurement device was used to simulate the input impedance of the body antenna based on the theory of long line.
本文基于长线理论用同轴线测量装置模拟弹体天线的输入阻抗值，使引信在同轴线测量装置中其工作状态和自由空间一样。
The Method of Moment (MoM) is used first for calculating the input impedance of microstrip patch antennas fed by microstrip line.
本文首先利用矩量法计算平面馈电型微带贴片天线的输入阻抗，并对其进行实验测量；
The typical SourceMeter instrument doesn't have as high an input impedance or as low a current capability as a source-measure unit.
典型的数字源表不像源-测量单元那样具有极高输入电阻或极低的弱电流测量能力。
The first method is based on the measurements of the input impedance at various bias voltages and the cartridge impedance of the diode.
第一种方法是测量二极管在各偏压点下的输入阻抗与管壳阻抗。
For convenience of AIA design, the AIA design method based on the input impedance wide-band model of patch antenna is used in this paper.
为了方便设计有源集成天线，本文提出了基于微带天线输入阻抗宽带模型的有源集成天线设计方法。
It is a voltage-controlled device with high input impedance, which makes it possible to control higher output power with a lower input voltage.
它具有输入阻抗高、电压控制和用低压控制大功率输出的特点。
The impedance matching network of changeable load and wide-belt is required because the input impedance of spiral antenna changes with frequency.
由于该天线的输入阻抗随频率而变化，需要用一个宽带变负载阻抗匹配网络来实现天线与电台之间的匹配。
Values of each segment of this model were adjusted to give an optimum match to aortic input impedance both in values of modulus and phase frequencies.
模型的各段经优化后可使模型与人体动脉系统的输入阻抗的幅频值和相频值相符合。
The input impedance, radiation pattern and gain of the array are measured and the experimental results are in agreement with the computational values.
对其输入阻抗、方向图及增益进行了实验测试，实验结果与计算值基本一致。
Numerical results show the effects of the lossy medium and antenna parameters on input impedance, which could be used in designing cavity-backed slot antenna.
本文的数值结果分别给出了有耗介质及天线结构参数对输入阻抗的影响，为天线设计提供了依据。
As the charge exerted from input voltage source is dependent on quantization error and input noise voltage to a large extent, the circuit has high signal input impedance.
由于提取自输入电压源的电荷很大程度上仅取决于量化误差与输入噪声电压，所以电路具有高信号输入阻抗。
Using the surface impedance and the input impedance respectively, the impedance per phase for the solid rotor steel and the non-ferrous metallic slot wedges is calculated.
应用表面阻抗与输入阻抗概念，分别计算实心的转子铁心与非磁性金属槽楔的一相阻抗。
Based on the measured input impedance characteristics or the resonance parameters of a micro-strip antenna the dielectric constant can be obtained with the help of a computer.
借助计算机程序，可由微带天线的输入阻抗特性或谐振参数直接求出介电常数。
We computed the input impedance of mixer with the first method, and we also discussed the effect of the convergent parameter on improving the convergence with the second method.
用第一种方法求出了混频器的输入阻抗，用第二种方法讨论了收敛参量对改进收敛性的影响。
By modeling the parameters of metal cylinder such as the diameters of both ports and the length of the metal cylinder, the demand input impedance of the conic horn can be obtained.
此处采用在光壁圆锥喇叭内加载一个外形渐变的金属柱体来改变天线的输入阻抗，调节金属柱体的尺寸，包括两端的口径和长度，可以在要求的频段得到理想的输入阻抗。
Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna.
该天线采用平衡微带线作馈线，以印刷振子作为辐射单元，末端采用匹配电路对其输入阻抗进行匹配。
When the dominant mode TE10 is propagated alone in the rectangular waveguide, expressions for the real and imaginary parts of the input impedance seen by the coaxial line are derived.
当波导只传输主模(te_(10)模)时，求得从同轴线看去的输入阻抗的实部和虚部表达式。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The stator's characteristics of vibration and input impedance were analyzed by using the finite element software ANSYS. A new decoupling method between the two vibrators was presented.
对电机的运行机理进行了分析，并利用有限元软件ANSYS分析了电机定子的振动特性和阻抗特性，同时提出了一种振子间解耦的方法。
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