采用恒比定时电路以及时幅转换显著提高了对延迟时间的测量精度。
The device Adopt the constant-ratio electric circuit and time-amplitude conversion, the accuracy of delay time raised biggest.
相反定时电路使用固定电容器和可变电阻如果有必要更改的时间期限。
Instead timing circuits use a fixed capacitor and a variable resistor if it is necessary to vary the time period.
定时电路一般由电源模块、面板电路和定时板组成,是功率源中的数字控制部分。
Timing circuit is usually made up of power supply unit, panel circuit and timing board, it is the digital control part of power source.
可变电容器通常不用于定时电路,因为它们的容量太小,实际和价值观念的范围提供非常有限。
Variable capacitors are not normally used in timing circuits because their capacitance is too small to be practical and the range of values available is very limited.
该装置易于操作,并且可利用定时电路或计算机化控制系统在没有反馈控制之下施加预定的时间。
The device is easy to operate, and may be applied for predetermined time periods without feedback control, using a timing circuit or computerized control system.
本文介绍了一种基于编码开关和单片机系统的定时电路设计方法,并对硬件电路设计和软件设计作了详细介绍。
This article introduces a timing circuit design, which is based on coding switches and singlechip system. Hardware and software design of the circuit are also discussed in detail.
当推送尤里·加加林进入轨道的预定时刻来临之际,他只是简单地按下一个按钮闭合点火电路并看着发动机启动。
When the appointed time came to blast Yuri Gagarin into orbit, he simply pushed a button that completed the ignition circuit and watched the motors start.
使用单稳态触发电路作“延时”或“定时”用,由于受到元件和器件的影响,其精度不会太高。
The accuracy of delay or timing is not sensitive with monostable trigger circuit since electrical elements have influence on it.
介绍了由单片机控制的可控硅电路,该电路运用外部中断获得同步信号,用定时器做导通角控制,并给出实用程。
The controllable silicon circuit controlled by monolithic microcomputer is introduced, which adopts external interrupt to obtain sync signals and controls conducting angel with a timer.
文章介绍了DS12887的内部结构和应用方法,以及由其构成的实时定时硬件电路和接口软件编制方法。
This paper introduces the inside construction and applied method of DS12887, furthermore describes the hardware circuit for real-time timing and programmable method for interface software.
并在简单定时提取电路(STC)的具体情况下与其它推导方式的结论进行了分析比较。
Their specific results in the simple timing extraction circuit(STC) condition are compared with those from other deductive methods.
文章介绍了利用EPROM可编程存贮的特性来设计定时控制电路的方法。
This discourse introduces the method of how to design time controller circuit by assembling EPROM programmable memory.
全部电路由硬件描述语言实现,可以集成在一片CPLD或FPGA芯片内部,用于数字通信系统接收端的帧同步和定时。
All circuits are designed by HDL and can be intergrated in one CPLD or FPGA chip, used in the frame synchronization and timing of digital communications receiver.
本文介绍了用PTC8253 - 5实现啤酒自动包装计数定时的设计,给出的硬件电路和软件程序。
This paper introduces the design of counting and timing device for automated beer packing with PTC8253-5. The hardware circuit and software are given.
本文介绍了用PTC8253-5实现机加零件自动包装计数定时的设计,给出了硬件电路和软件程序。
This paper introduces the design of counting and timing device for automated machine-made spares packing with PTC8253-5. The hardware circuit and software are given.
稳定时间——是指继电器关闭后电路达到稳定所需的时间。
Settling Time—This is the time required for the circuit to stabilize once the relay has been closed.
该控制器具有数字显示、精确定时功能,硬件电路简单,控制可靠灵活,已在微波设备上得到应用。
Thie controller has a digital display and precise timing function, and has been used in several sorts of the microwave equipment because of its simple hardware circuit and reliable control method.
研究了高速旋转叶片振动实时监测系统,叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。
The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.
摘要:555定时器是集模拟、数字于一体的中规模集成电路,它具有广泛的应用。
Abstract: 555 timer which sets the analog, digital in one of the large scale integrated circuit has been widely used.
将420B型煮沸消毒器的机械定时器改为电子定时器,并加装显示电路,使其定时直观、工作稳定、便于维修。
Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.
采用FPGA设计了一种基于同步状态机的帧同步检测电路,具有帧同步的前方保护和后方保护以及接收端的定时功能。
A frame synchronization detect circuit is designed based on the synchronization state machine using FPGA, and this circuit has functions of pre-protect, rear-protect and timing of the receiver.
以555定时器构成的单稳态触发器这一典型电路为基础自制一种实用测试器,较详细的分析了该器件的工作原理、耦合方式、使用方法。
A tester is made based on the typical circuit of the monostable trigger made of 555 timers. It operation principle, coupling way and usage are analysed in great detail.
本文论述一种用集成电路来实现具有最小定时限的反时限曲线的新方法。
A new method for implementing inverse time protection with definite minimum time using integrated circuits is presented in this paper.
在时钟电路中采用分相采样技术,实现了定时分析最高200m的等效采样速率。
Application of the technology of sampling in different phase in clock circuit realizes maximum 200m equivalent sampling rate of timing analyzer.
本文通过对PWM的分析,提出了一种新的方案,即用可编程定时器电路实现16位分辨率的D/A转换。
This paper puts forward a new kind of scheme through analysis of PWM-to realized the conversion of D/A of16 bit resolution by using programmable timer circuit.
此方法无须接口电路改造,利用软件,由CTC (O)通道定时,PIO输出正弦调频脉冲和方向控制脉冲。
This method USES software only and need not reform the interface circuits. The CTC (0) fixes time and PIO gives sine modulated pulses.
计数器是最常用的时序电路之一,他们不只可以用来指望脉冲,还可以分频,定时,发生跳动的脉搏和其他的时钟信号等。
The counter is the most commonly used one of the sequential circuits, they not only can be used to count on pulse, still can separate frequency, timing, produce beats pulse and other clock signal etc.
研制了一种实用新型的脉冲变送器,主要电路部件为555集成定时器。
A new kind of practical Pulse conversion transponder has been developed, which based on 555 timing IC.
该装置用真有效值电路检测非正弦焊接电流值,用中断和定时计数器实现了可控硅的精确触发。
The measuring circuit for RMS of non-Sin welding current and the precise triggers of SCR using interrupt controllers and timers in AduC812 MCU are also described.
该装置用真有效值电路检测非正弦焊接电流值,用中断和定时计数器实现了可控硅的精确触发。
The measuring circuit for RMS of non-Sin welding current and the precise triggers of SCR using interrupt controllers and timers in AduC812 MCU are also described.
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