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放大器输入电路
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  “放大器输入电路”译为未确定词的双语例句
    Noise Analysis of Input Circuit of Amplifier
    放大器输入电路的噪声分析
短句来源
    In addition, the mathematical model of the input circuit and the feedback link of the amplifier are analyzed on the error computation and stability evaluation.
    此外,就放大器输入电路及反馈环节的数学模型进行了误差计算与工作稳定性的分析与评价。
短句来源
    Analysis of input circuit of amplifier is discussed,corresponding function relation to noise is obtained.
    对放大器输入电路的噪声从理论上进行一定分析 ,得到与噪声大小相关的函数关系。
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In Ref. [1] we had showed that the input-circuit must be usedwith a coupled circuit for improvement on the low noise of preamplifier. In thispaper a various kind of coupled circuits (transformer coupled, parallel coupled, andpush-pull coupled) have been discussed, and the optimum design of these circuits aregiven. These conclusions may be used for low noise design of preamplifier. Althoughthe E_n-I_n noise model has been used for noise analysis of preamplifier. But thismodel is incomplete. Because the correlation...

In Ref. [1] we had showed that the input-circuit must be usedwith a coupled circuit for improvement on the low noise of preamplifier. In thispaper a various kind of coupled circuits (transformer coupled, parallel coupled, andpush-pull coupled) have been discussed, and the optimum design of these circuits aregiven. These conclusions may be used for low noise design of preamplifier. Althoughthe E_n-I_n noise model has been used for noise analysis of preamplifier. But thismodel is incomplete. Because the correlation between two noise sources is ignored.In this paper the noise spectral density model is adopted. And more complete conclu-sions are obtained. Finally. some experinental results are given.

文[1]中已经指出前置放大器的输入电路采用适当的耦合形式对于获得低噪声性能是很重要的。本文分析了几种常用的耦合形式(变压器耦合、多管并联输入、推挽输入)的噪声性能及最佳耦合条件,供检测仪器前置放大器的低噪声设计时参考。

This paper discusses the reliability and stability of CDJ-5 EM Log designed by SSSRI. The plan of circular-radial even excitation, which reduces the in-phase interference and improves the steadiness of Zero-position interference considerably, was suggested on the basis of analysing the signal components of the probe output. In addition, the mathematical model of the input circuit and the feedback link of the amplifier are analyzed on the error computation and stability evaluation. Experiments and practicle operation...

This paper discusses the reliability and stability of CDJ-5 EM Log designed by SSSRI. The plan of circular-radial even excitation, which reduces the in-phase interference and improves the steadiness of Zero-position interference considerably, was suggested on the basis of analysing the signal components of the probe output. In addition, the mathematical model of the input circuit and the feedback link of the amplifier are analyzed on the error computation and stability evaluation. Experiments and practicle operation on shipboard show that the conclusion from the analysis agrees well with actual results. CDJ-5 EM Log had passed the technical authentication organized by the Ministry of Communications in August 1982, and was a warded the "Certificate of Type Approval" by the Shanghai Office of Register of Shipping of the People's Republic of China in December the same year.

本文仅就CDJ-5型电磁计程仪改型方案的可靠性与稳定性进行论证。根据传感器输出的各种信号分量的分析,提出环形、中心辐射、均匀励磁方案,它对减小同相干扰,改善零点干扰的稳定性具有明显效果。此外,就放大器输入电路及反馈环节的数学模型进行了误差计算与工作稳定性的分析与评价。试验及实船应用证明:以上的论证分析与实际结果是基本相符的。 CDJ-5型电磁计程仪已于1982年8月通过部级技术鉴定。同年12月获得船检局上海办事处颁发的《型式认可证书》。

The coefficient electric positioner and its upper,lower resistance placement in inputing circuit of calculating amplifier is introduced. The calculating formulas for four different states and some examples are supplied.

介绍了运算放大器输入电路的系数电位器及其上、下电阻配置的理论探讨,推导出四种不同状况下的计算公式,并提供了部分实例。

 
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