本文選題：激光測距 + 光電轉(zhuǎn)換�。� 參考：《電子科技大學(xué)》2014年碩士論文

【摘要】：激光測距是一種先進的測距技術(shù),測量精度高,測量量程,抗干擾能力強。而很多時候,需要對多點進行測距,尤其是在動態(tài)測量時,多點的測量需要同時進行,此時需要用到多點激光測距儀,而多通道光電時間間隔測量系統(tǒng)是多點激光測距儀的關(guān)鍵部分。在此背景下,研究設(shè)計一個高精度高可靠性的多通道光電時間間隔測量系統(tǒng)是本論文的主要工作目的。本論文首先研究了激光測距及時間間隔測量的關(guān)鍵技術(shù),為后續(xù)的多通道光電時間間隔測量系統(tǒng)提供理論依據(jù)。通過對多種時間間隔測量技術(shù)的研究與調(diào)查,本論文最終選擇基于TDC-GPX時間數(shù)字轉(zhuǎn)換器芯片開發(fā)系統(tǒng)所需的多通道光電時間間隔測量電路。整個硬件由多個模塊構(gòu)成,包括完成脈沖激光信號到電信號轉(zhuǎn)換的光電轉(zhuǎn)換模塊、對光電轉(zhuǎn)換模塊進行信號處理以滿足TDC-GPX信號輸入要求的信號處理模塊以及基于TDC-GPX的時間間隔計時模塊等。整個硬件系統(tǒng)通過PIC單片機進行控制,各個通道的測量數(shù)據(jù)通過I2C總線進行傳輸,然后通過UART串口傳給計算機進行后續(xù)的軟件自動化處理。本論文還為多通道光電時間間隔測量系統(tǒng)設(shè)計了自動化的測量軟件。虛擬儀器技術(shù)是一種利用軟件來實現(xiàn)傳統(tǒng)儀器功能的計算機技術(shù),和傳統(tǒng)儀器相比,虛擬儀器具有更加方便更加靈活的特點,而和計算機其他軟件技術(shù)相比,虛擬儀器模塊高度集成化和圖形式編程語言的特點使得工程師能夠更加快速地完成儀器軟件的開發(fā)且具有更高的可靠性。因此,本論文利用LABVIEW虛擬儀器平臺開發(fā)了多通道光電時間間隔測量系統(tǒng)所需的數(shù)據(jù)采集及統(tǒng)計分析軟件。數(shù)據(jù)采集所需的串口驅(qū)動通過VISA虛擬儀器編程標(biāo)準(zhǔn)IO進行開發(fā)。大
[Abstract]:Laser ranging is an advanced ranging technology with high measuring precision, measuring range and strong anti-interference ability. In many cases, multipoint ranging is needed, especially in dynamic measurement, where multipoint laser rangefinder is used. The multi-channel photoelectric time interval measurement system is a key part of multi-point laser rangefinder. Under this background, the research and design of a high precision and high reliability multichannel photoelectric time interval measurement system is the main purpose of this thesis. In this paper, the key technologies of laser ranging and time interval measurement are studied firstly, which provides the theoretical basis for the subsequent multichannel photoelectric time interval measurement system. Through the research and investigation of various time interval measurement techniques, this paper finally chooses the multichannel photoelectric time interval measurement circuit which is based on the TDC-GPX time digital converter chip to develop the system. The whole hardware consists of several modules, including a photoelectric conversion module to complete the conversion of pulse laser signal to electrical signal. The signal processing module of photoelectric conversion module is used to satisfy the requirement of TDC-GPX signal input, and the time interval timing module based on TDC-GPX, etc. The whole hardware system is controlled by PIC single chip microcomputer, the measurement data of each channel is transmitted through I2C bus, and then transmitted to the computer through UART serial port to carry on the subsequent software automation processing. This paper also designed the automatic measurement software for the multi-channel photoelectric time interval measurement system. Virtual instrument technology is a kind of computer technology which uses software to realize the function of traditional instrument. Compared with traditional instrument, virtual instrument is more convenient and more flexible, and compared with other software technology of computer, virtual instrument is more convenient and more flexible than traditional instrument. The characteristics of highly integrated virtual instrument module and graphical programming language enable engineers to complete the development of instrument software more quickly and have higher reliability. Therefore, the software of data acquisition and statistical analysis is developed based on the LABVIEW virtual instrument platform for the multichannel photoelectric time interval measurement system. The serial driver for data acquisition is developed by VISA Virtual instrument programming Standard IO. Big
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN249;TM935.15

【參考文獻(xiàn)】

相關(guān)碩士學(xué)位論文 前1條

1 黃寧;基于虛擬儀器的多通道時間間隔測量儀的研究與設(shè)計[D];中國科學(xué)院研究生院（國家授時中心）;2008年

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本文編號：1854773