电路

A small aluminium resistor is added into reference current source circuit of the original major circuit, its influence on temperature range -50℃ to 150℃ can be limited to 1％～2％.

与现有的电路相比，本电路并没有改变原来的主电路结构，而仅仅在参考电流源中增加了一个小电阻。它在零下50℃到150℃的大范围内的温度效应被限制在1％-2％。

A phase advancer has a main AC-AC frequency conversion circuit consisting of thyristors.When sampling circuit detects the zero passage signal produced in rotor current of motor,main circuit controlled with advanced microcomputer controlling technique will change the AC voltage of 380V,50HZ into compensating voltage with the same frequency as that of rotor voltage and rotor current 90°in phase lay to achieve the goal to raise the power factor of the motor.

由可控硅构成的交变频主电路，在采样电路检测到电机转子电流产生的过零信号后，经过先进的微机控制技术控制主电路，将380V、50HZ交流电压转换成转子频率相同，相位滞后转子电流90°的补偿电压，达到提高电动机功率因数的目的。

The content of this course includes: fundamentals of logic algebra analysis and design of the combinational logic circuit and sequence circuit common applications of the combinational logic circuit and sequence circuit programmable logic devices Hardware Design Description Language A/D (Analog/Digital) and D/A conversion.

课程的主要内容有：逻辑代数基础、组合逻辑电路及时序电路分析与设计、常用中规模组合逻辑及时序逻辑电路应用、可编程逻辑器件、硬件设计描述语言VHDL、数模、模数转换等。

An 89C2051 microprocessor was used to realize the phase order conversion of the step motor so that the Loop allotter circuit is easy and flexible. The VMOS is adopted as power elements of the design.

该步进电机驱动电路选择硬件环形分配，选择89C2051作为环形分配器，这种环行分配电路具有电路简单，可靠性高，柔性好的特点。

It is therefore sensible to separate analog and digital circuitry to prevent digital noise from corrupting analog performance.

为了不影响模拟电路的性能，应该把模拟电路的电源和数字电路的电源隔离开。

The instrument consists of highly sensitive pressure sensor, mechanical system which can produce positive and negative pressure and its control circuits, pressure measurement and conditioning circuits, the interface with PC compatible computer and analogue signal conversion circuits. This instrument can realize the idea of measuring blood viscosity during collecting blood.

该仪器包括高灵敏度传感器；可产生正负压力的机械系统及与其相关的控制电路：压力测量及转换、匹配电路：与计算机信息交换系统、控制接口及模拟信号转换电路等。

The circuit possesses many properties of current-mode circuit. Its sensitivity is lower, and its pole angular frequency and quality factor can be tuned accurately and independently, and the circuit is very easy in this process.

该电路不仅具有电流模电路的特点，而且其无源灵敏度低，电路简单；品质因素、极点角频率取决于电容比值和电阻比值，从而可实现二者的独立、精确调节。

A NIM type module IMP NIM9601, anticoincidence circuit for general purpose is introduced in this paper briefly in which the application principle, the circuit structure, the circuit design and the specification are included also.

提出了一种通用反符合电路 IMP- NIM960 1，简要介绍了电路结构与电路设计、工作原理及主要技术指标。

This paper introduces the performance on probe of Zn based Semiconductor Cl2 sensor, and designs the transmission circuit by using logarithmic and antilogarithm circuit.

本文以Zn基半导体氯气传感器为探头，分析了其性能，通过运用对数电路、反对数电路设计了其变送电路，使其具有线性的输出，达到直读的目的。

The experiment system utilizes DSP as the key controller, and it is also composed of main circuit, control circuit, protect circuit and efficient system control program based on assemble language.

该实验平台以 DSP 作为核心控制器件，主要包括功率单元主电路，控制电路，保护电路及基于汇编语言的高效系统控制程序等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。