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- 目前牵引变压器差动保护原理在某些因素的影响下并不能准确地区分变压器内部故障和外部故障，可能造成保护误动或拒动，危及电气化铁道系统的安全运行。针对这一现状，建立了计及铁芯非线性特性和磁滞效应而又无需铁芯的B－H曲线数据的牵引变压器模型，提出了一种通过参数辩识理论来辩识牵引变压器绕组参数实现牵引变压器微型机保护的方法。该方法能有效地区分内部故障、外部故障和励磁涌流。仿真计算表明了该方法的正确性和可行性。-Traction transformer differential protection pri
water_1
- image watermarkingusing matlab
Engineering-Management
- This is an assignment of Engineering Managemennt. will help u out in managemnet cources
Industrial-Analysis-by-Engr-Mange
- The assignment of Industrail Anaylis is uploaded. u may find it helpfu-The assignment of Industrail Anaylis is uploaded. u may find it helpfull
Engg-Management-week-2-3
- The document contain very brief introduction of Organaizational Culture
Engineering-management-week-4-5
- this document will help in understanding the engineering management toics
management-slides
- this engineering management slides/ Very Helpfull in Under Graduation level-this is engineering management slides/ Very Helpfull in Under Graduation level
process-management
- process management is a very important topic in engineering management.
2010060817023600001
- 安防系统cad图标，监控系统，报警系统，门禁系统-Security systems cad icon, monitoring systems, alarm systems, access control systems
Research-on-Error-Diffusion
- 基于半调法的误差扩散方法，利用误差扩散抖动的方法，使图像灰度级增强，提高画面质量。-Error diffusion halftoning method based error diffusion method jitter, enhanced image gray level, to improve the picture quality.
Image-Improvement-by-Dithering
- 介绍一种等离子显示器中，子场抖动处理图像的方法，改进后的子场抖动方法比普通的抖动方法处理的图像，画面更加优秀-Describes a plasma display, the dithering method of processing an image of the sub-fields, improved subfield dither method the image processing than ordinary dither method, the picture is more ex
PIC16F630
- PIC16F630 PIC16F676 数据开发文档，用与开发PIC开单片-PIC16F630 PIC16F676 Data development document open, with the development of PIC monolithic