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design-of-SRM
- design of SRM The Mathcad programs were saved as version 6 files from version 2001. Since no special features not available in version 6 were used it is expected that they can be run by Mathcad 6 or later. Flux.mcd A program to plot the SRM
goahead2
- GoAhead WEB 服务器是一款主要面向嵌入式系统的WEB服务器,它的目标也许不在于目前的 WEB 服务器市场,而是面向当嵌入式系统深入我们的工作与生活的明天,那时,它也许会成为使用最广泛的 WEB 服务器。-GoAhead WEB server for embedded systems is a major WEB server, it may not be that the current objectives of the WEB server market, but for the
NorthwestChief
- 系统研究和总结了近年来商务网站建设的发展过程和这些商务网站的主要特点,分析了当前的商务网站所存在的一些主要不足,以及未来的发展方向和趋势。在对商务信息平台网络化、系统化、实用化技术的分析和总结的基础上,采用了Microsoft Access 2003作为后台数据库,利用了功能强大的Dreamweaver MX应用程序作为网站的开发软件。-System study and summarize the recent business development process and the const
gf_spwm
- 开关并联供电系统程序 mage128开发板实现两路电流按比例分配,稳压输出。-Switching power supply system procedures mage128 parallel development board to achieve two-way current pro rata, the regulator output.
Q1
- 在应用IC芯片的电路中,电源进来的明明已经转换成直流信号了,为何后续电路中有那么多电容电感?-In the application circuit of the IC chip, the power supply to convert the incoming current signal clearly has, why there are so many subsequent circuit capacitance and inductance?
Q2
- 强电一般是电力系统中的电,比如说220v的照明电,以及1000多v的工业用电等,强电的特点是电压高,频率低,电流大,强电是用来驱动大功率的电力设备的。比如说电动机,电灯等用电设备。-Strong power is generally the electric power system, such as 220v electrical lighting, and more than 1,000 v industrial electricity, etc., characterized by str
DIANZUDIANRU
- 数字集成电路器件是用来处理不随时间连续变化的数字电压或电流信号的集成电路器件。-Digital integrated circuit device is used to handle continuous change with time digital voltage or current signal integrated circuit device.
YUANJIAN
- 在金属导体中 ,电流跟电压成正比 ,伏安特性曲线是通过坐标原点的直线 ,具有这种伏安特性的电学元件叫做线性元件。-In metal conductors, the current with the voltage proportional to the volt-ampere characteristic curve is a straight line through the origin, with the volt-ampere characteristic of this electri
XDL
- 小电流接地选选线装置源程序。在配网系统中针对单相接地故障而开发的一种选线装置。应用非常广泛。-Small current grounding line selection device source. In the distribution network system for single-phase ground fault line selection and development of a device. Is widely used.
FBD
- 为了更好地进行谐波和无功功率的补偿与控制,叶FBD(Fryze一Buchholz一DPenbrock)法的定 义进行了完善,并给出了补偿电流检测的直接法和间接法,在三相电力系统中对FBD间接法进行 了推广研究,利用参考电压进行投影变换,不仅可以检测出功率电流和零功率电流,还可以检测出 基波有功电流、基波无功电流、谐波电流以及任意次谐波电流等,大大拓展了FBD法的应用范围和领域。MATI一AB仿真和实验结果表明了所定义和推广的电流检测方法的正确性和有效性。 -In order to
based-on-FBD-APF
- 针对三相四线制配电网中零线上电流的抑制以及谐波检测的简便性,提出了肇于FPD法检测谐波的 三相叩桥臂并联型有源电力滤波器解决方案。本文详细阐述了三相四桥臂并联型有源电力滤波器的J二作原理、检测和控制方式。仿真和实验结果验证了此方法的町行性。-Ⅱee-phasefour-lag:Reactivepowerfilter;Zero current;FBD method
dzfz
- 设计和制作一台恒流(CC)工作模式的简易直流电子负载。(单片机)-Design and production of a constant current (CC) mode simple DC electronic load. (SCM)
ppt
- 本PPT着重研究了当前手游行业推广渠道的各种方式以及每种方式的利弊-The PPT focuses on the current hand travel industry marketing channels as well as the various ways the pros and cons of each approach
LabVIEW
- 通过IabVIEW编程和GPIB卡控制Keithley 6517A静电计。研制了1台极化去极化电流测试仪。-By IabVIEW programming and GPIB card to control Keithley 6517A electrometer. Developed a platform polarization and depolarisation current tester.
7128
- 7128芯片设计原理图,适合3A一下电流的步进电机驱动器设计,非常实用-7128 chip design schematics for what current 3A stepper motor driver design, very practical
JQM301
- 1.1.JQM301-48L 语音芯片概述 JQM301-48L 是一款OTP 高音质的MP3 语音芯片,拥有8-BIT CISC,支持WAV 和MP3 解码;带有丰富 的外设接口:一个SPI,一个标准的UART 异步串口;音频输出可直接驱动16 欧姆耳机;带实时时钟及万年历 时钟模块功能;低功耗:休眠时待机电流约80uA;控制播放响应快速,优于同类产品;适合用于需要更换语音 或者音乐文件时间较长、音质要求较高的场合。-1.1.JQM301-48L voice chip Over
0999
- 卡尔曼滤波是一种数据处理方法,它是一种线性最小方差无偏估计准则,基于系统 状态估计和当前观测,通过引入状态空间而获得的新的状态估计.本篇论文陈述了卡尔曼滤 波的基本思路和算法;并通过仿真,显示卡尔曼滤波的功能,以及如何用它来跟踪方向确定、速度恒定的飞行器。-Kalman filter is a data processing method, which is a linear minimum variance unbiased estimation criteria, based on
Development-of-an-FPGA-Based
- An FPGA-Based servo controller for permanent magnet synchronous motor (PMSM) drive is designed and realized in this paper. The FPGA-Based controller has two modules. One module performs the function of the current/speed loop control for PMSM
foc-principle
- 空间矢量脉宽调制(SV PWM ) 技术不仅具有 线性调制范围宽、输出谐波小和易于数字化实现 的特点, 而且比常规SPWM 高15 的直流电压利 用率[ 1~ 3 ] , 因而被广泛用于变频器、U PS 、无功补 偿器、有源电力滤波器和储能系统电力变换器等 领域. 对SV PWM 常规算法和快速算法进行分析, 并证明了二者的等效性. 同时, 利用MA TLABö Sim u link 对在不同输入电压参考信号和不同零矢 量分配方式下的调制信号和逆变器输出
distributed-heating
- 集中供热是当下各国发展的重点,本文对集中供热系统方式下各个机组运行方式的设计,有利于对集中供热的理解-Central heating is the current focus of national development, the paper central heating system mode design of each unit operation mode, it is beneficial for the understanding of central heating