In this thesis , firstly , the main protocols and their functions , the application profiles of bluetooth technology are introduced . the hci protocol is analysized emphasesly ; secondly , the 4 - channel 10v analog to digital conversion ( a / d ) bluetooth adapter , 4 - channel 10v digital to analog conversion ( d / a ) bluetooth adapter , rs232 serial port bluetooth adapter are developed . the hardware and software of them are realized and test ; thirdly , the test tool software for bluetooth adapter is designed . the displaying and saving of data with vc + + 6 . 0 multithread in pc is completed , then the wireless serial port communication between pc and micro - controller unit ( mcu ) is implemented , the data results of those adapters are acceeded ; finally , the bit - error - rate testing software of bluetooth communication system is designed , and the bit - error - rate test results of bluetooth adapter in labortary are acquired and illustrated also 其次提出了硬件设计方案:四通道10v模拟/数字( a / d )蓝牙适配器、四通道10v数字/模拟( d / a )蓝牙适配器, rs232串口通信蓝牙适配器。在此基础上完成了硬件电路和软件程序的设计和调试。再次,设计了蓝牙适配器测试工具软件,在pc机上用vc6 . 0 + +多线程编程完成对传输数据的保存与显示,实现了pc机与单片机的串口无线通信,并给出了蓝牙适配器测试结果。
Chapter three : introduces the design of the electromagnetic flowmeter hardware system , lays stress on analyzing the conversion & amplifying circuit , the excitation sine wave occurring circuit , the analog - digital conversion circuit , the keyboard display interface circuit , the communicating interface circuit and the anti - interference circuit 第三章重点对电磁流量计硬件系统的转换放大电路、励磁正弦波发生电路、模数转换电路、键盘显示接口电路、通信接口电路,系统抗干扰电路等进行设计和分析。
Secondly , basing on single channel if sr receiver mathematic model , this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram , and explained the system working principle . furthermore , this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640 , ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department , digital down conversion department and high speed digital signal processing department . thirdly , the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem , which including ad6620 ' s inner parameter software setup , tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization 其次,基于单通道中频软件无线电接收机数学模型,本文设计了中频( if , intermediatefrequency )软件无线电接收机子系统,给出了中频软件无线电接收机子系统的设计方案和系统电路原理图,说明了系统工作原理,并分别对应系统中的高速模数转换部分、数字下变频部分、基带数字硕士学位论文软件无线电理论研究及中频软件无线电接收机子系统设计信号处理部分,介绍了高速adcad664o ,数字下变频器( ddc , digitaldownconverter ) ad6620 ,高速数字信号处理器( dsp , digitalsignalproeessor ) tms320c6713的工作原理,以及它们在中频软件无线电接收机子系统中的应用。
Then this paper deals with the design and realization of the smart - antenna receiver system architecture . and the receiver is divided into four modules , including rf front - end module | , if demodulation module , analog to digital conversion module and frequency synthesis module 随后在此基础上,对应用于w - cdma系统智能天线接收机进行了系统设计分析,并给出了实现方案,主要包括射频前端电路模块、中频解调电路模块,参考频率合成电路模块和数模、模数转换电路模块四部分的设计与实现。
The thesis includes the design of hard circuit , pcb ( printed circuit board ) , driver and application soft involving a / d board and d / a board . the detailed functional modules consist of multiplex signals select module 、 analog digital conversion module 、 digital analog conversion module 、 pci protocol conversion module 、 driver and magnifying module 、 control logic 、 clock circuit and configuration circuit . the importance of the thesis is a / d board 本课题包括硬件电路、印刷电路板( pcb ) 、驱动程序和应用软件的设计,涉及a / d板和d / a板两大块部分,具体的功能模块包括多路信号选择模块、模数转换模块、数模转换模块、 pci协议转换模块、驱动放大模块、控制逻辑、时钟电路和配置电路,其中重点是a / d板部分。