显示出比纯电阻手控衰减电路更优越的性能。
These circuits are superior to manually controlled attenuation circuits composed of resistances.
本文介绍线路设计中所应用的两种程控信号衰减电路。
Two kinds of program control signal attenuation circuits, which are used in circuit design, are introduced.
衰减电路可以装在静电计的内部,也可以是一个外部电路。
The damping circuit may already be built into the electrometer or may be an external circuit.
信号通道由衰减电路、阻抗变换电路、放大电路等电路组成。
Signal channel consists of attenuating circuit, impedance transformation circuit and amplification circuit.
每个脉冲在衰减电路中生成响应,其根据已知的衰减响应而随着时间衰减。
Each pulse generates a response in the decay circuit that decays over time according to a known decay response.
针对铁电材料测试系统中不同测试信号电压的差别,设计了电压自动衰减电路。
In view of the different voltage used in system for measuring ferroelectric materials, the automatic voltage-decaying circuit was designed.
利用配有电压自动衰减电路的铁电材料测试系统测量了PZT铁电体材料样品的电滞回线。
The PZT ferroelectric slice sample was measured by the system with the automatic voltage-decaying circuit, and hysteresis loops of the sample was exhibited.
对于这些应用来说,采用一种可变的衰减电路足以降低交流干扰,以便进行有意义的测量工作。
For these applications, a variable damping control may reduce the AC pickup enough to make meaningful measurements.
该衰减电路是一种降低静电计交流响应的低通滤波器,使我们可以准确地进行直流弱电流的测量。
A damping circuit is a type of low pass filter that reduces the electrometer's ac response so the low DC current can be measured accurately.
采样电路在衰减电路接收到用于最高有效数字的脉冲之后的采样时间对衰减电路的输出进行采样。
The sample circuit samples an output of the decay circuit at a sample time after the decay circuit receives the pulse for the most significant digit.
然而有的时候,可能需要使用外部电路来增加衰减作用。
However, it may be necessary to increase the damping with an external circuit.
结合试验过程中遇到的问题,给出了改进的直流衰减法测试电路。
Combined with the problems during the experiment, design a improved testing circuit of Direct Current Attenuation Method.
X1探头﹕没有衰减﹐输入阻抗跟示波器输入阻抗一样(通常是1兆欧)。由于对测试电路有很大的负载影响﹐所以很少使用这种探头。
X1 probe: no attenuation, input impedance follow that of scope input impedance (usually 1 Mohm). This type of probe is seldom used because of heavy loading effect on circuit under test.
当撤去电压时,这些分离的电荷在重新组合时会在与绝缘体相连的电路中产生衰减的电流。
When the voltage is removed, the separated charges generate a decaying current through circuits connected to the insulator as they recombine.
介绍一种采用DAC0832作为数控衰减器构成的自动增益控制电路,其外围电路非常简单,受控等级可达256级。
Presented in this paper is a digital AGC circuit that is constituted with digital attenuator DAC0832. Its controlled grade can reach 256 and the external circuit is very simple.
并采用滤除衰减直流分量的傅氏算法,提高了数据精度、简化了硬件电路。
The decaying DC component is filtered in the Fourier algorithm, which improves data precision and simplifies hardware circuits.
结果表明,各支路电流电压的量子涨落均与电路器件的参数有关,且随时间衰减。
The result shows that the quantum fluctuations of the voltage and current of each branch are related with parameter of the circuit element, and decay with time.
与一些音量控制置于输入端的电路不同,这个前级放大器的特征噪声能够随同信号一起衰减。
Any noise characteristic of the preamp circuit is attenuated along with the signal, unlike circuits where the volume control is before the input.
鉴于测震中电子放大地震仪放大器的输出动态范围窄的缺陷,笔者作了自动换档衰减放大倍数的电路技术设计。
For overcoming the shortcoming of narrow output dynamic range of the electronic-amplifying seismograph, the Authors have designed a kind of circuit for automatic gain control.
这两种电路容易实现,使用简便,具有较大的衰减范围,实现了信号衰减控制自动化。
The circuits can be realized easily and used conveniently and have a wide attenuation range. And the signal attenuation control can be automatized.
分析了采用不同率表电路的同位素仪表因放射源的衰减而对仪表测量误差的影响,得出了对仪表电路设计有参考价值的结论。
The influence of radioactive source decay on measuring error of the isotope instruments is analysed. The valuable conclusion for designing the circuit of instrument is obtained.
在周期性方波激励下,电路中产生衰减振荡波形。
If the pumping signal is the periodic square wave, the damped oscillation wave will be generated in the circuit.
第四阶段内靶材上的剩余电荷通过测试电路放电,靶电势呈指数规律衰减。
The fourth stage, the remainder charges discharges by the testing circuit, the target electric potential reduces exponentially.
本文论述用微波衰减法测定蚕茧含水仪器的测量和数字处理电路及其使用效果。
In this paper, are stated the application of microwave attenuation mode detection of the cocoon moisture ester, the testing circuit and data handling circuit of the instrument, and USES result.
介绍了五位数控衰减器单片电路的主要技术指标和设计方法。
The design and the main technique specification of a five-bit MMIC digital attenuator were introduced.
在此基础上提出了旨在减小杂散电平的电路优化设计方法,其中包括在满足上变额总增益要求的条件下,电路各级增益或衰减的配置、本振功率的确定等,最后给出应用实例。
On this base, the optimization of circuits for decreasing the spurious level including determination of stage gain. loss and LO power is proposed. Finially, the application example is given.
由此简化衰减器装置的电路结构。
Accordingly, the circuit configuration of fader device is simplified.
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The major products are film resistors, film capacitors, film attenuators, ceramic blocks, ceramic short-circuit plates, individualized film circuits, etc.
公司主要产品为:薄膜电阻、薄膜电容、薄膜衰减器、陶瓷垫块、陶瓷短路片、个性化薄膜电路等。
The major products are film resistors, film capacitors, film attenuators, ceramic blocks, ceramic short-circuit plates, individualized film circuits, etc.
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