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磁调制器     
相关语句
  magnetic modulator
     The Theoretical Analysis and Calculation on Magnetic Modulator
     磁调制器的理论分析与计算
短句来源
     Study of modeling and simulation of magnetic modulator
     磁调制器的建模与仿真研究
短句来源
     The de- sign feature of the main magnetic modulator,in which low frequency noise is less than 0.2 microampere-turns,has been emphasized in the paper. An ampere-turn autobalance control scheme performaning open and close loop adjustments by means of the main and supplementary comparator has been described in detail.
     文中介绍了该电桥的总体线路结构和作用原理以及低频噪声不超过0.2微安匝的磁调制器的设计特点,并对采用主、辅比较仪实现开闭环调节的安匝自动平衡控制方案作了详细描述。
短句来源
     A fire new double detector sensing theory with magnetic modulator and magnetic amplifier is discussed.
     介绍了一种全新的直流大电流测量方法 ,这种方法是基于磁调制器和磁放大器双重磁检测器原理。
短句来源
     Its detecting principle is based on the theory of Magnetic Modulator. The detectable lower limit is entended up to 10 μA.
     使用双磁芯调制器原理,将磁调制器开环应用和采用特殊的传感器结构,使检测分辨率达10μA。
短句来源
更多       
  magnettor
     A direct current measuring method based on magnettor is proposed. Because this method measures the phase difference in the output of the magnettor, it can be carried out simply and shows remarkable interference free capability.
     提出了一种根据磁调制原理测量直流电流的方法,与倍频磁调制器相比较,该方法利用磁调制器输出信息中的相位差变化量来进行测量,测量系统不需要复杂的辅助电路,因此测量电路简单,抗干扰能力强.
短句来源
  “磁调制器”译为未确定词的双语例句
     Analysis of Reliability of Two-Step Pulse Compress Direct Current Magnetism Modulator
     两级脉冲压缩式直流磁调制器的可靠性分析
短句来源
     This article analysed work process of two step pulse compress direct current magnetism modulator, through analysis of the measured wave of the modulator in the monopulse radar,and suggested the specific way that improved the reliability of the modulator.
     系统分析了两级脉冲压缩式直流磁调制器的工作过程 ,并通过对某型单脉冲体制雷达调制器的实测波形的分析 ,提出了进一步提高该调制器工作可靠性的具体方法。
短句来源
     Basic Frequency Magnetic Modulators
     基频磁调制器
短句来源
     The structure of the modulator used is alsoanalyzed,with an aim to improve its sensitivity,and to reduce noise and drift.
     根据减小噪声和漂移、提高灵敏度的要求,分析了磁调制器铁芯应采用的结构型式。
短句来源
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  magnetic modulator
Effect of magnetic hysteresis on the output of a magnetic modulator biased by a transverse field and operating at even harmonics has been studied experimentally.
      


Modulators are important elethents in the amplificatiou of weak d.c.sig-nals.Magnetic modulator have the ProPerties of providing highest voltage ga-can,stably amplify weak d.c.signals of the order of 10~13 watta Being stmpie in construe-tion of hasic frequency magnetic modulators,and a simple metbod of calculations from graphs together with an example and some discussion on manufacturing techniques

调制器是放大微弱直流信号的重要环节。目前通用的各种调制器中,磁调制器具有最高电压放大倍数、灵敏度和稳定性能。基频磁调制器可稳定地放大功率为10~(-13)瓦的微弱直流信号,并且简单可靠,在一般自动调节和随动系统中得到广泛应用。本文阐述一种改进的基频磁调制器线路结构,提出一种简捷图解计算法,并给出了计算举例、实验结果和制造工艺中某些问题。

This paper describes a bridge based on direct-current comparator for resistance thermometry.The principle of the operation and the circuit are described.The de- sign feature of the main magnetic modulator,in which low frequency noise is less than 0.2 microampere-turns,has been emphasized in the paper.An ampere-turn autobalance control scheme performaning open and close loop adjustments by means of the main and supplementary comparator has been described in detail.Experiments show that this tracking system is...

This paper describes a bridge based on direct-current comparator for resistance thermometry.The principle of the operation and the circuit are described.The de- sign feature of the main magnetic modulator,in which low frequency noise is less than 0.2 microampere-turns,has been emphasized in the paper.An ampere-turn autobalance control scheme performaning open and close loop adjustments by means of the main and supplementary comparator has been described in detail.Experiments show that this tracking system is reliable and stable.Measuring results indicate that the measurement error is less than 1.5×10~(-7) over the basic measuring range. Finally,a compensation circuit for further improving the ratio accuracy is also proposed,so that it is expected to obtain an accuracy of the order of 10~(-8) for the direct-current comparator.

本文叙述一台基于直流比较仪原理的测温电桥。文中介绍了该电桥的总体线路结构和作用原理以及低频噪声不超过0.2微安匝的磁调制器的设计特点,并对采用主、辅比较仪实现开闭环调节的安匝自动平衡控制方案作了详细描述。实验表明,该跟踪系统稳定可靠。根据测试结果,该电桥在其基本量限内的测量误差不超过1.5×10~(-7)。最后,文章还提出一种进一步提高电桥比率精度的补偿线路,使电流比较仪可望达到1.5×10~(-8)量级的极限精度。

At Present the magnetic modulator is very extensively appliedto the precise instruments of electrical measurement, but the theoretical analysison magnetic modulator is not yet quite perfect until now. Two simple analyticalmethods--the breaking line method and the hyperbolic function method---arepresented and is compared by analysing them. The hyperbolic function method withmore guiding effect has been shown in practice.

磁调制器目前在精密电测量仪器中应用十分广泛,然而有关磁调制器的理论分析至今仍不很完善。文中论述了两种简单的解析方法——折线法和双曲线函数法,通过分析对这两种方法进行了比较。实践表明采用双曲线函数法更具有指导意义。

 
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