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convertor circuit
相关语句
  变换器电路
     The derived formulae can be applied in convertor circuit design and computer-aid design. 
     其中导出的公式可用于变换器电路设计和计算机辅助设计。
短句来源
  “convertor circuit”译为未确定词的双语例句
     D/A Convertor Circuit Design for a Low Cost & Isolated Standard Output Current Using PWM Method
     用PWM实现廉价隔离型标准电流输出D/A转换器
短句来源
     This article study the problem in serial communication between PC and intelligence terminal which has RS-485 port An RS-232c/RS485c convertor circuit is also offered in it The design is of good load capacity and does not need power supply
     就PC机与带有RS - 485口的智能终端的串行通信问题 ,给出了一种无需供电 ,负载能力强的RS - 2 32C/RS - 485C转换器设计电路。
短句来源
     The error of the power convertor circuit of the modulated amplitude -pulsewidth type has been also analysed in theory and deduced in mathematics.
     文中对此种功率变换电路的误差进行了理论分析和数学推导.
短句来源
     This paper introduces two methods of verifying electric character transducers,which have been widely used in electric power system. Then the paper describes the ad-vantages of differen tial method,the differential instrument that can measure six transduc-ers,th e V-F convertor circuit used to measure difference,and the composition of the verification equipment and its effect.
     介绍了电力系统中大量使用的电量变送器的两种检定方法,论述了微差法的优点,介绍了用微差法原理设计的六变送器校验仪和微差测量用±V—F电路及其组成的检定装置和可达到的实际效果。
短句来源
     By further analysing this D/A convertor circuit,a current output circuit of 0 mA~10 mA and 4 mA~20 mA is designed after adding optical isolation,reference voltage,I-V transformer and power amplifier. This circuit now has higher resolution and stronger load driving ability. It is applicable for use in industrial process instruments.
     在进一步分析该电路的基础上 ,设计了光电隔离、基准电压、I- V变换和功率放大等电路 ,得到了 0 m A~ 10 m A和 4 m A~ 2 0 m A模拟电流输出电路 ,该电路具有较高的精度和较大的负载驱动能力 ,可以应用于工业过程仪表的设计中。
短句来源
  相似匹配句对
     Operational convertor 4302 is a multifunctional operational circuit.
     多功能运算变换器 430 2 ,是一种微型封装、使用方便、性能稳定的多功能运算电路 .
短句来源
     S-Transformahons of S-Circuit
     S-闭迹的S-变换
短句来源
     Directed D-Circuit
     有向D-回路
短句来源
     Low resolution of A/D convertor can be improved with special circuit.
     低分辨率A/D转换器通过外接电路处理可获得较高分辨率。
短句来源
     Study on current-to-voltage convertor
     电流-电压变换器的研究
短句来源
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In this paper,the author proposes a new idea of description of network topology,and states the relationships within new topological matrices.Then a generaland systemetical formulation technique is presented for the analysis of periodicallyswitched networks containing resistors,inductory,capacitors,IVS's,VCVS's,and switches.As a result,the technique is suitable for time-domain analysis ofboth switched capacitor networks and switched DC-DC convertor circuits.Theresultant formulation,in fact,is a new type...

In this paper,the author proposes a new idea of description of network topology,and states the relationships within new topological matrices.Then a generaland systemetical formulation technique is presented for the analysis of periodicallyswitched networks containing resistors,inductory,capacitors,IVS's,VCVS's,and switches.As a result,the technique is suitable for time-domain analysis ofboth switched capacitor networks and switched DC-DC convertor circuits.Theresultant formulation,in fact,is a new type of modified nodal approach in thissense that the total number of variables is effectively reduced and no zero diagonalentries would in general appear in its matrix.For computer-aided analysis,a computerprogram PAPSN is developed based on the technique.Finally,two circuits areanalyzed in order to illustrate the author's method and program.

本文提出了网络拓扑描述的一种新思想;阐述了新的拓扑矩阵之间的内在联系;首次建立了既适合开关电容网络,也适合开关变换器电路时域分析的统一方法——紧凑型改进节点法,该方法的特点在于网络方程的变量少,一般情况下方程系数矩阵中无主对角零元,本文还介绍了基于紧凑型改进节点法开发的周期性开关网络时域分析程序 PAPSN,它为模拟开关变换器路和电开关电容网络的瞬态特性提供了极为有用的工具.

This article puts forward a converter circuit which bases itself on the power converter circuit of the amplitude-pulsewidth modulation prin- ciple. The sawtooth-wave signal u_s is delivered to the anti-phase input terminal of the compartor; The signal u_i, which is in direct proportion to the controled load current instantaneous value, is delivered to the homo-phase input terminal of the comparator. These two signals are modulated in the operational amplifier. The interval of the pulse, which is formed in output...

This article puts forward a converter circuit which bases itself on the power converter circuit of the amplitude-pulsewidth modulation prin- ciple. The sawtooth-wave signal u_s is delivered to the anti-phase input terminal of the compartor; The signal u_i, which is in direct proportion to the controled load current instantaneous value, is delivered to the homo-phase input terminal of the comparator. These two signals are modulated in the operational amplifier. The interval of the pulse, which is formed in output terminal of comparator, is determined by the measured current instantaneous value. The output pulse of the comparator is delivered to the base of the switching transistor of the integrating cutout device. The collector voltage of the switching transistor is determined by the voltage of the power network. Thus, the average value of the D. C. signal coming from the output of the integrating cutout device is in direct proportion of the power of the detected circuit. The error of the power convertor circuit of the modulated amplitude -pulsewidth type has been also analysed in theory and deduced in mathematics. The AD converter of the twin integrating type and the LED display system are also briefed in this paper.

本文提出了幅度-脉宽调制原理的功率变换电路.锯齿波信号u_s加到比较器的反相输入端;与被测负载电流瞬时值成比例的信号u_i加到比较器的同相输入端.两信号在运放内进行调制,使其输出脉冲的吝个间隔分别决定于被测电流各瞬时值的大小.此输出脉冲加到积分-断流单元晶体开关管的基极.晶体开关管的集电极与发射极间的电压取决于电网电压.这样,积分-断流单元输出直流信号的平均值就与被测电路的功率成正比.文中对此种功率变换电路的误差进行了理论分析和数学推导. 文章还扼要介绍了双积分型A/D转换器及LED显示系统.

This paper analyses a principle of capacity travel measuning system with large range and high accuracy which combine with micro-computer. It offers a close measuring circuit with no error adjust and offers a tri-integal A/D Convertor circuit with high reasolution and high accuracy. At last, it introduces a measuring system which combine piston travel with cylinder pressure in cryogenic measurment.

本文详细分析了一种与单片微机相结合的大量程高精度电容位移测量系统的原理,提出了一个“无差调节”闭环式测量电路和一个高分辨率、高精度的三积分模数转换电路,最后介绍了一种低温测试中活塞行程与气缸压力相结合的测量系统。

 
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