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Since 9 • 18 Incident, after the establishment of Manchukuo, the Northeast fell into Japanese Northeast Japan Northeast History of looting has been a hot Manchukuo period of the Northeast in various research topics in history, the history of the Northeast Electric Power Industry is still blank, never been involved in this Therefore, the northeast region of Manchukuo during the power industry can be said that the history of Japanese aggression, the new entry This author studies the use of system analysis and the measurement method, by the logic of facts to sort out, while the data analysis related to the reduction of a more accurate history, so readers of this period the Northeast power industry has a more true, accurate impression, and it might sort out some lessons to be used for social development Full-text is divided into four The first part elaborates 9 • 18 Incident overview of Northeast Electric Power Development; the second part describes in detail the formation of Manchukuo Electrical C, L and its structure and operation; The third part is the full establishment of the Northeast Electric Power Industry The monopoly has done a detailed exposition; fourth part of the full power of the northeast business impact and relevance, and put forward concrete proposals and

Today's society has entered the information age, text, sound, images are the carrier of information, and the occupied space is the largest store The inevitable process of images acquired in transmission and in being the noise pollution, the image noise seriously affects the latter part of the image processing, feature extraction, image coding, segmentation and directory detection In order to improve the image quality and the subsequent high-level processing needs, noise of the image processing has become an important task in image This dissertation focuses on the research of image median filtering algorithm and mean filtering First of all, this paper introduces several common image noise, the Gauss noise, salt and pepper noise and multiplicative noise, this reason, their, and mathematical Then introduced the method for image denoising: spatial domain denoising technology and transform domain denoising Then explains the evaluation method for image denoising, denoising methods commonly The advantages and disadvantages of the in-depth analysis of mean filter and median filter algorithm and Keywords: noise, mean filter, median filter

Since Manchurian Incident took place and fake Manchukuo been built,northeast of china drop into Japanese he plunder of the northeast area of china is a hotspot issue in the local history In many research tasks about the history of fake Manchukuo ,the electric power industry in northeasten area is still unknown,no one set foot in this hence,the research of the electric power industry during the period of fake Manchukuo is a new cut-in point of the research in Japanese aggression he writer of this article use the measures of system analysis and computation research,through teasing the logic relations of the historical facts,meanwhile analysing relative datum to recover relatively clear history so as to give readers a real and exact picture of the northeasten electric power industry in this And writer conclude some valuable experiense to be used for reference in the society The whole text can be devided into four part one demonstrates the general situation of the development of the northeasten electric power industry before the Manchurian Incident taken part two introduce particularly on the construction and run of the Manchukuo electric power part three makes a material description of the monopolization after it was set to the northeasten electric power part four analyses the influence and real significance the Manchukuo eletricity had made on the management in northeasten area and put forward idiographic opinions and advices

In today's society has stepped into information age, text, sound, image is the carrier of information, and is the largest storage space of the Image in the process of transmission and access to noise pollution inevitably, and image noise seriously affects the post-processing of the image, such as image feature extraction, coding, and directory detection segmentation, In order to improve image quality and subsequent levels of processing demand, noise on image processing is image preprocessing is an important In this paper, the image of the median filtering algorithm and mean filtering algorithm are First of all, this paper first introduces several common image noise and gaussian noise, salt and pepper noise and multiplicative noise, and expounds their reasons ?