外文翻譯---基于arm與線性ccd的高速數(shù)據(jù)采集系統(tǒng)-其他專業(yè)(已修改)
2025-02-04 09:27 本頁面
【正文】 本科生外文文獻(xiàn)翻譯 外文題目 ： High–Speed Data Acquisition System Based on ARM amp。 LinearCCD 中文題目 ： 基于 ARM 與線性 CCD 的高速數(shù)據(jù)采集系統(tǒng) 學(xué) 部 信息科學(xué)與工程學(xué)部 學(xué)科門類 工學(xué) 專 業(yè) 電子信息工程 學(xué) 號(hào) 2021480236 姓 名 倪啟蒙 指導(dǎo)教師 王蘭勛 裝 訂 線 河北大學(xué)工商學(xué)院 河北大學(xué) 工商學(xué)院 2021 屆 本科生畢業(yè)外文翻譯 1 High–Speed Data Acquisition System Based on ARM amp。 LinearCCD Abstract : This paper presents a high speed acquisition system of linearCCD based on ARM, highspeed linearCCD and highspeed ADC are selected. As the sampling speed of A/D is slower than the working clock frequency of ARM, CPLD and FIFO are used as I/O between A/D and ARM. It makes the circuit works harmonious, simple and easy controlling, and also increases the efficiency of ARM. In order to increase the munication speed, the Universal Serial Bus (USB) technology is adopted to municate with the PC. ARM is the key processor utilized to control the data sampling, data pute and data transfer. As a result, the whole system works effective. The system can be applied to the high speed data acquisition and operation situations from multichannel analog signals. I. Introduction In electrification railways, in order to extend the life of the pantograph on electric lootives, so that the slider of pantograph wear evenly, the contactline (electrified railway power feed line) in straightline segments is arranged as zigzag route (curve section arranged in the form of polyline). The distance between the contactline of positioning point and the pantograph centerline track is called out staggervalue, which is a key indicator of contactline . Staggervalue can not be ignored, the value too small will affect the slider of pantograph wear evenly and the purpose of extending using life。 otherwise, in some cases (such as caught in a stiff winds), cause a large range of lateral movement of the roof (and the higher the speed, the greater pantograph swing around), some parts of contactline will be in excess of the effective work length of pantograph, so that the staggervalue of contactline beyond the standard range, leading to deterioration of the current collection, and even cause incorrect running of the pantograph accident. Pantographcatenary malfunction will result in interruption of train operation, which impact on rail transport seriously. In order to avoid these phenomena, the staggervalue and its changes should be tested , a lootive contactline monitoring system and its mating data acquisition system were developed,
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