分布式雷達(dá)顯控軟件與網(wǎng)口通信程序設(shè)計
發(fā)布時間：2018-12-15 06:30
【摘要】：米波雷達(dá)具有反隱身的優(yōu)勢,但是測角精度和機(jī)動性之間的矛盾限制了米波雷達(dá)的發(fā)展。為解決于上述矛盾,本項目采用分布式陣列相參合成方法,并搭建了一種全數(shù)字化分布式米波雷達(dá)試驗系統(tǒng),進(jìn)行外場試驗,通過實測數(shù)據(jù)對該理論方法、關(guān)鍵技術(shù)和主要性能指標(biāo)進(jìn)行了試驗驗證。該雷達(dá)系統(tǒng)主要由兩組陣列天線(每組8根)、兩個校正網(wǎng)絡(luò)、兩個DAM模塊、定時控制板模塊、顯控軟件、數(shù)據(jù)采集器以及信號處理板等組成。工作方式包括發(fā)射校正、接收校正、模目模式、等T搜索、變T搜索、正交步進(jìn)頻、步進(jìn)頻全相參、正交相位編碼以及全相參相位編碼模式。本文作者主要負(fù)責(zé)該雷達(dá)系統(tǒng)的顯控軟件開發(fā)以及定時控制板的網(wǎng)口通信程序設(shè)計,通過顯控軟件實現(xiàn)對整個雷達(dá)系統(tǒng)的控制。由于顯控軟件的運(yùn)行平臺是PC的Windows操作系統(tǒng),并且考慮到軟件的開發(fā)效率,本文選擇VC++6.0作為軟件的開發(fā)平臺,并使用MFC類庫和C++語言編碼實現(xiàn)軟件開發(fā);根據(jù)雷達(dá)系統(tǒng)的工作需求,從軟件工程的角度出發(fā),對該顯控軟件進(jìn)行了功能需求、數(shù)據(jù)需求、接口需求和可靠性需求等方面的分析,確定了顯控軟件的開發(fā)流程;基于模塊化和逐步求精的軟件設(shè)計思想,制定了顯控軟件的總體設(shè)計方案,將該軟件劃分為輸入、輸出和網(wǎng)口通信三個主要的功能模塊,再對每個模塊進(jìn)行進(jìn)一步細(xì)化,劃分成多個子功能模塊。其中輸入模塊主要完成工作方式選擇、陣列參數(shù)設(shè)置、DAM參數(shù)設(shè)置、校正網(wǎng)絡(luò)誤差系數(shù)導(dǎo)入、DBF參數(shù)設(shè)置、DAM通道設(shè)置、發(fā)射通道設(shè)置、模目參數(shù)設(shè)置和寬帶參數(shù)設(shè)置等參數(shù)輸入功能,網(wǎng)口通信模塊主要用來實現(xiàn)顯控軟件與定時控制板之間的數(shù)據(jù)傳輸,輸出模塊則主要實現(xiàn)雷達(dá)系統(tǒng)的陣列位置、收發(fā)校正結(jié)果和目標(biāo)位置的顯示,以及收發(fā)校正系數(shù)的導(dǎo)出功能;采用聯(lián)合調(diào)試的方法對顯控軟件進(jìn)行了綜合測試,結(jié)果驗證了線控軟件設(shè)計和開發(fā)的正確性。最后介紹了網(wǎng)口通信的基本原理,包括以太網(wǎng)的結(jié)構(gòu)模型、TCP/IP協(xié)議的分層、TCP/IP協(xié)議的封裝和TCP/IP協(xié)議的分用;定時控制板的網(wǎng)口通信模塊以DP83865和FPGA為硬件平臺,其中DP83865負(fù)責(zé)實現(xiàn)物理層功能,FPGA主要負(fù)責(zé)實現(xiàn)數(shù)據(jù)的打包、解包和校驗過程,該過程可以分為MAC核配置和TCP/IP協(xié)議編碼實現(xiàn)兩部分工作;物理層芯片和MAC核之間采用MII接口進(jìn)行數(shù)據(jù)傳輸,接收通道與發(fā)送通道相互獨立,數(shù)據(jù)位寬為4位,傳輸速率可以達(dá)到100Mbps;使用Verilog語言編碼實現(xiàn)TCP/IP協(xié)議各層的數(shù)據(jù)封裝和拆包,從而實現(xiàn)定時控制板的網(wǎng)口通信功能。
[Abstract]:Meter-wave radar has the advantage of anti-stealth, but the contradiction between angle measurement accuracy and maneuverability limits the development of Meter-wave radar. In order to solve the above contradiction, this project adopts the method of distributed array coherent synthesis, and builds a fully digital distributed meter wave radar test system, carries out the field test, and makes the theoretical method through the measured data. The key technology and main performance indexes were tested and verified. The radar system consists of two array antennas (8 antennas per group), two correction networks, two DAM modules, a timing control board module, a display and control software, a data collector and a signal processing board. The modes of operation include transmit correction, receive correction, mode, equal T search, variable T search, orthogonal step frequency, step frequency coherent, orthogonal phase coding and coherent phase coding mode. In this paper, the author is mainly responsible for the display and control software development of the radar system and the design of the communication program of the network port of the timing control board. The display and control software is used to control the entire radar system. Because the running platform of display control software is PC's Windows operating system, and considering the efficiency of software development, this paper chooses VC 6.0 as the software development platform, and realizes the software development using MFC class library and C language coding. According to the working requirements of radar system and from the point of view of software engineering, the function requirement, data requirement, interface requirement and reliability requirement of the display and control software are analyzed, and the development flow of the display and control software is determined. Based on the software design idea of modularization and gradual refinement, the overall design scheme of display and control software is established. The software is divided into three main functional modules: input, output and network port communication, and each module is further refined. Divided into a plurality of sub-function modules. The input module mainly completes the selection of working mode, array parameter setting, DAM parameter setting, correcting network error coefficient import, DBF parameter setting, DAM channel setting, transmitting channel setting, etc. The network port communication module is mainly used to realize the data transmission between the display and control software and the timing control board, and the output module mainly realizes the array position of the radar system. The display of the result of the transceiver correction and the location of the target, as well as the function of the derivation of the transceiver correction coefficient; The method of joint debugging is used to test the display and control software, and the result verifies the correctness of the design and development of the wire control software. Finally, the basic principle of network port communication is introduced, including the structure model of Ethernet, the layering of TCP/IP protocol, the encapsulation of TCP/IP protocol and the separation of TCP/IP protocol. The network port communication module of the timing control board uses DP83865 and FPGA as the hardware platform, in which DP83865 is responsible for realizing the function of physical layer, and FPGA is mainly responsible for the process of data packing, unpacking and checking. The process can be divided into two parts: MAC core configuration and TCP/IP protocol coding. The physical layer chip and the MAC core adopt MII interface for data transmission. The receiving channel and transmission channel are independent of each other. The data bit width is 4 bits and the transmission rate can reach 100 Mbpss. The data encapsulation and packet unpacking of each layer of TCP/IP protocol are realized by using Verilog language coding, thus realizing the communication function of network port of timing control board.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN957
[Abstract]:Meter-wave radar has the advantage of anti-stealth, but the contradiction between angle measurement accuracy and maneuverability limits the development of Meter-wave radar. In order to solve the above contradiction, this project adopts the method of distributed array coherent synthesis, and builds a fully digital distributed meter wave radar test system, carries out the field test, and makes the theoretical method through the measured data. The key technology and main performance indexes were tested and verified. The radar system consists of two array antennas (8 antennas per group), two correction networks, two DAM modules, a timing control board module, a display and control software, a data collector and a signal processing board. The modes of operation include transmit correction, receive correction, mode, equal T search, variable T search, orthogonal step frequency, step frequency coherent, orthogonal phase coding and coherent phase coding mode. In this paper, the author is mainly responsible for the display and control software development of the radar system and the design of the communication program of the network port of the timing control board. The display and control software is used to control the entire radar system. Because the running platform of display control software is PC's Windows operating system, and considering the efficiency of software development, this paper chooses VC 6.0 as the software development platform, and realizes the software development using MFC class library and C language coding. According to the working requirements of radar system and from the point of view of software engineering, the function requirement, data requirement, interface requirement and reliability requirement of the display and control software are analyzed, and the development flow of the display and control software is determined. Based on the software design idea of modularization and gradual refinement, the overall design scheme of display and control software is established. The software is divided into three main functional modules: input, output and network port communication, and each module is further refined. Divided into a plurality of sub-function modules. The input module mainly completes the selection of working mode, array parameter setting, DAM parameter setting, correcting network error coefficient import, DBF parameter setting, DAM channel setting, transmitting channel setting, etc. The network port communication module is mainly used to realize the data transmission between the display and control software and the timing control board, and the output module mainly realizes the array position of the radar system. The display of the result of the transceiver correction and the location of the target, as well as the function of the derivation of the transceiver correction coefficient; The method of joint debugging is used to test the display and control software, and the result verifies the correctness of the design and development of the wire control software. Finally, the basic principle of network port communication is introduced, including the structure model of Ethernet, the layering of TCP/IP protocol, the encapsulation of TCP/IP protocol and the separation of TCP/IP protocol. The network port communication module of the timing control board uses DP83865 and FPGA as the hardware platform, in which DP83865 is responsible for realizing the function of physical layer, and FPGA is mainly responsible for the process of data packing, unpacking and checking. The process can be divided into two parts: MAC core configuration and TCP/IP protocol coding. The physical layer chip and the MAC core adopt MII interface for data transmission. The receiving channel and transmission channel are independent of each other. The data bit width is 4 bits and the transmission rate can reach 100 Mbpss. The data encapsulation and packet unpacking of each layer of TCP/IP protocol are realized by using Verilog language coding, thus realizing the communication function of network port of timing control board.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TN957
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