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Design and Realization of Digital Sinusoidal Signal Generator Based on ARM

Author: WangYunQiao
Tutor: DuQian
School: Wuhan University of Technology
Course: Communication and Information System
Keywords: Digital Sinusoidal Signal Generator ARM SDC GPRS
CLC: TM935
Type: Master's thesis
Year: 2009
Downloads: 64
Quote: 0
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Abstract


Digital sinusoidal signal generator is the high-tech products applied in the military,civil and many other fields in recent years.It has a wide range of applications.Digital sinusoidal signal generator has low cost,high reliability,small size,low power consumption and so many advantages.It occupies an important position in the development of the detection system area.In this paper,digital sinusoidal signal generator currently used only to send the signal functions,such as step,constant,sinusoidal,wide-angle signal,and ofteh the need for debugging on the spot,so the operator can only be based on the characteristics of debugging data to on-site equipment on the spot diagnosis.The data can not be stored;the operator is not convenient off-line diagnosis,which increased the diagnosis and control of equipment difficult.Digital sinusoidal signal generator designed in this paper not only has the general sending sinusoidal signal functions,and increases data storage capabilities,a variety of signal detection,to determine and display,storage,GPRS transmission functions.According to the functional requirements Of digital sinusoidal signal generator,it chooses core chip based on ARM9 and embedded Linux operating system.ARM9 chip microprocessor applies Samsung’s S3C2410.The main task is to complete the man-machine interface and manage various forms of Communication and peripheral interfaces.It mainly completes the design and realization of hardware and software of this system. The main works are as follows:This paper first introduces the hardware design of digital sinusoidal signal generator and workflow.Then it completes the design of hardware circuit of the function modules,including the SDC and DSC,the storage modules, human-computer interaction,debugging systems,power modules and so on.After that,it introduces the software design of digital sinusoidal signal generator,and designs SDC,TFT-LCD,GPRS and other drivers of the System based on S3C2410 processor.The sinusoidal analysis and completion of sinusoidal signal are achieved by using of Gcc,Gdb compiler debugging tools.Design of SDC and DSC control procedures as well as through the network and the GPRS data transmission is completed.The communicationsserver system software program with VC + + language development,to provide userswith a friendly interactive interface,which features include:receiving data,sending the server command,data analysis and automatic import database.Users can access real-time angle data at the Scene to understand the client to deal with orders through the network,as well as client information,such as failure,in addition to network management at different levels of users,that is,different levels of users with different access rights.After the final test of the digital sinusoidal signal generator to the normal work of the various parts,you can run embedded operating system applications.The designed system achieves the desired function.Digital sinusoidal signal generator based on ARM structures flexible,powerful,wide-ranging applications,the advantages of simple operation,so as to improve staff efficiency and reduce the demand for the total cost of equipment.

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CLC: > Industrial Technology > Electrotechnical > Electrical measurement techniques and instruments > Frequency, waveform parameter measurement and instrumentation
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