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dainlu
- 此开关稳压电源由AT89S52单片机作为控制核心。系统包括AD采样，PID控制，PWM输出，构成闭环系统。交流电源输入到整流模块，经整流滤波后输出平稳的直流电压。该直流电压直接输出至IGBT全桥变换器模块。高精度AD转换器将后端输出的电压电流信号由模拟信号量变为数字量供给单片机进行数字PlD运算，经过PID控制运算后，由控制模块输出PWM调制波形至IGBT栅极，构成一个闭环系统，控制电压稳定输出，从而实现开关稳压电源控制系统。此外，可由键盘输入欲得电压值，从LCD显示实际电压值，人机交互界面友好
The-basics-of-Loop-Vehicle-Detection
- The basics of Loop Vehicle Detection
si4133-datasheet
- 该Si4133是一个单片集成电路，既执行IF和双频 RF合成为无线通信应用。在Si4133 包括三个和VCO，环路滤波器，参考和VCO分频器，相位 探测器。除法和可编程掉电设置与threewire 串行接口。-The Si4133 is a monolithic integrated circuit, both the implementation of the IF and dual-band RF synthesis for wireless comm
PLL_1
- Block model of a phase locked loop implemented in Simulink. Step 1 of a series of 5 developed models.
PLL2
- Block model of a phase locked loop implemented in Simulink. Step 2 of a series of 5 developed models.
PLL3
- Block model of a phase locked loop implemented in Simulink. Step 3 of a series of 5 developed models.
time_model_PLL
- Block model of a phase locked loop implemented in Simulink. Step 4 of a series of 5 developed models.
time_model_PLL1
- Block model of a phase locked loop implemented in Simulink. Step 5 of a series of 5 developed models.
msp430f149dpj
- 利用MSPd30F149 单片机和AIM21电流环芯片，通过简单的压频转换(多谐振荡器)电路实现了基于电客式差压 传感器的智能差压变送器设计。该设计的特点是利用压频转换电路取代了A／D模块，以极低的产品价格达到了较高的 系统测量精度。采用软件与硬件相结合的信号处理技术，实现了基于HART协议现场总线技术的差压模拟量的测量，通 过进一步采用CPLD器件的量化延时测频技术，将可以达到比传统A／D器件更高的压力测量精度。智能差压变送器；HART协议现场总线；MSP430F149；AIM21
Digital_Costas_loop_in_FPGA_Design_and_Implementat
- 全数字Costas环在FPGA上的设计与实现-Digital Costas loop in FPGA, Design and Implementation
loop-structure-of-programming
- 第6章 循环结构程序设计 for语句的语法格式-Chapter 6 loop structure of programming syntax for statement
1111111111111
- 一种感应线圈车辆检测器的抗干扰方法，An Induction Loop Vehicle Detector interference method-An Induction Loop Vehicle Detector interference method
Development-of-resistance-test-loop
- 高压断路器闭合时回路电阻测试仪的研制，开发-High-voltage breaker is closed loop resistance tester research and development
Step-motor-in-close-loop
- 介绍一家老外的可编程智能驱动器。[2]通过配套的编程和监控软件，用类似PLC方式对二相混合式步进电机进行单轴和多轴运动，进行开/闭环控制，很方便为各行业的运动控制提供最优化的解决方案，性价比高。-Introduce a foreigner programmable Smart Drive. [2] supporting the programming and monitoring software, the PLC-way two-phase hybrid stepping motor, sin
DC-open-loop-speed-control-system
- 分章节详细描述了自流开环调速系统的设计，检测可用-DC open loop speed control system
loop-invariants
- 关于循环不变式的一片论文，论文中详细介绍了循环不变式的原理和开发策略-On loop invariant piece of paper, paper described in detail the principles and strategies of the loop invariant
1VBScript-loop-structure-program
- 本文主要讲解了VBscr ipt 的常用循环语句: do⋯ loop、for⋯ next 的基本语句格式以及它们的用法, 并通过实例的方式来加深大家对其用法的理解-This article explains the common VBscr ipt loop: do ⋯ loop, for ⋯ next basic statement formats and their usage, and by way of example to deepen pe
The-H.264-loop-filter
- H.264 loop filtering tutorial in english
The-principle-of-phase-locked-loop
- 主要介绍了锁相环的基本原理，PLL参数测试示例展示，重点分析了CD4046——通用的CMOS锁相环集成电路，MT8870——音调译码器(Tone Decoder)是MITEL 公司所开发生产为一颗常用复频译码IC。-Introduces the basic principles of phase-locked loop, PLL parameter test sample shows, analyzes the CD4046-- generic CMOS PLL IC, MT8870-- ton
Here-we-find-factorial-using-for-loop
- here we find factorial using for loop