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[Software Engineering] jyshzipljdshjyfx DL : 0: 本设计以AT89C52为核心,充分利用AT89C52的三个定时/计时器,采用测量N个周期信号波形的算法.实现了频率,周期高精度的测量.-AT89C52 to the design at the core, and make full use of the three regular AT89C52 / timer, Measure N cycle signal waveform algorithms. achieve a frequency, high-precision measurement cycle.
Date : 2008-10-13 Size : 128.51kb User : 307xzj
[Software Engineering] mmtimerbasedstepmotorcontrol DL : 0: 步进电动机的角位移量与输入脉冲数严格成正比，电动机转动一圈后，没有累积误差，所以步进电动机是数字控制系统常用的执行电动机，并且广泛的应用在小卫星上。为了使步进电动机在小卫星上安全运行必需在地面做相应的检测。下面介绍在小卫星有效载荷地面检测仪中利用WindowsXP多媒体定时器实现步进电动机高精度控制的方法。-stepper motor angular displacement volume and input pulses strictly proportional to motor rotating ring, no accumulated error, the stepper motor is used digital control system implementation motor, and widely used in small satellites. To stepper motor in a small satellites necessary for safe operation on the ground do the same testing. Below introduced in a small satellite payload ground detector using Windows XP multimedia timer -- Stepping Motivation high precision control method.
Date : 2008-10-13 Size : 251.39kb User : 刘军
[Software Engineering] jyshzipljdshjyfx DL : 0: 本设计以AT89C52为核心,充分利用AT89C52的三个定时/计时器,采用测量N个周期信号波形的算法.实现了频率,周期高精度的测量.-AT89C52 to the design at the core, and make full use of the three regular AT89C52/timer, Measure N cycle signal waveform algorithms. achieve a frequency, high-precision measurement cycle.
Date : 2026-01-14 Size : 128kb User : 307xzj
[Software Engineering] mmtimerbasedstepmotorcontrol DL : 0: 步进电动机的角位移量与输入脉冲数严格成正比，电动机转动一圈后，没有累积误差，所以步进电动机是数字控制系统常用的执行电动机，并且广泛的应用在小卫星上。为了使步进电动机在小卫星上安全运行必需在地面做相应的检测。下面介绍在小卫星有效载荷地面检测仪中利用WindowsXP多媒体定时器实现步进电动机高精度控制的方法。-stepper motor angular displacement volume and input pulses strictly proportional to motor rotating ring, no accumulated error, the stepper motor is used digital control system implementation motor, and widely used in small satellites. To stepper motor in a small satellites necessary for safe operation on the ground do the same testing. Below introduced in a small satellite payload ground detector using Windows XP multimedia timer-- Stepping Motivation high precision control method.
Date : 2026-01-14 Size : 251kb User : 刘军
[Software Engineering] components-of-high-precision-timer DL : 0: 本文章介绍了用DELPHI 编写高精度定时器组件的方法及其源代码-This article describes the components of high-precision timer and its source code written by DELPHI
Date : 2026-01-14 Size : 9kb User : ZHOU
[Software Engineering] LTC3300-1 DL : 0: LTC3300-1 是一款故障保护控制器IC，适用于对多节电池的电池组进行基于变压器的双向主动平衡。该器件集成了所有相关的栅极驱动电路、高精度电池感测、故障检测电路和一个带内置看门狗定时器的坚固型串行接口。-LTC3300-1 is a fail-safe controller IC, suitable for multi-cell battery pack transformer-based two-way active balance. The device integrates all associated gate drive circuitry, high-precision battery sensing, fault detection circuit and a watchdog timer with built rugged serial interface.
Date : 2026-01-14 Size : 408kb User : 宋涛