本文選題：教學套件 + 收發(fā)機��； 參考：《東南大學》2015年碩士論文

【摘要】：傳統(tǒng)射頻教學實驗設備傾向于部件級別的教學,往往功能單一、操作不便,難以適應現(xiàn)代教學以及培養(yǎng)射頻系統(tǒng)級人才的需求。本文針對當前射頻實驗教學的實際需要,研制了一套功能齊全且操作簡單的射頻實驗教學套件。本文首先根據教學需要,提出了一種操作便捷、功能豐富的射頻教學實驗套件方案,并對其結構及功能進行了分析和闡述,確定了技術實施方案。本文中所設計的射頻教學套件采用子系統(tǒng)搭建的方案,在同一平臺上搭建出基帶信號子系統(tǒng)、射頻發(fā)射子系統(tǒng)、射頻接收子系統(tǒng),相干檢測子系統(tǒng)、電源及控制子系統(tǒng)共五個部分。最終進行PCB版圖設計,并實現(xiàn)教學套件樣機。本文所設計的教學套件中基帶信號子系統(tǒng)電路使用單片機和FPGA相結合的硬件架構,單片機為主控部分,FPGA用于編解碼和電源控制。學生可以將教學套件通過USB2.0接口與電腦相連完成數字通信或測量系統(tǒng)實驗。射頻發(fā)射子系統(tǒng)和射頻接收子系統(tǒng)中包含了鎖相環(huán)、混頻器、功率放大器、低噪放等電路,其中接收通道中的混頻器設計為鏡像抑制混頻器。射頻收發(fā)子系統(tǒng)中每個模塊都有輸入輸出端口,既可以完成單個模塊的實驗測試,也可以使用同軸電纜連接子系統(tǒng)完成整個射頻收發(fā)系統(tǒng)的實驗測試。電源及控制子系統(tǒng)中包括整個電源網絡布局和各個模塊電路的電源控制。另外相干檢測子系統(tǒng)為此教學套件的特色功能,用戶可以在此平臺上設計雷達或頻域反射計原理實驗。對整個教學套件電路進行調試并給出了測試結果,對測試中出現(xiàn)的問題進行了分析并給出了技術改進方案。
[Abstract]:The traditional RF teaching experiment equipment tends to be part level teaching, which often has a single function and inconvenient operation, so it is difficult to meet the needs of modern teaching and the training of personnel of RF system level. In order to meet the practical needs of current RF experiment teaching, a set of RF experimental teaching kit with complete function and simple operation is developed in this paper. In this paper, according to the teaching needs, a convenient and rich RF teaching experiment package is put forward, and its structure and function are analyzed and expounded, and the technical implementation scheme is determined. The RF teaching package designed in this paper adopts the scheme of subsystem, and builds the baseband signal subsystem, radio frequency transmitting subsystem, radio frequency receiving subsystem, coherent detection subsystem on the same platform. There are five parts in power supply and control subsystem. Finally, the PCB layout design, and the implementation of the teaching kit prototype. The circuit of baseband signal subsystem designed in this paper is based on the hardware architecture of single chip microcomputer and FPGA, which is the main control part for coding and decoding and power supply control. Students can complete digital communication or measurement system experiments by connecting the teaching kit to the computer via the USB2.0 interface. The RF transmitting subsystem and the RF receiving subsystem include phase-locked loop, mixer, power amplifier, low noise amplifier and so on. The mixer in the receiving channel is designed as mirror rejection mixer. In the RF transceiver subsystem, each module has an input and output port, which can not only complete the experimental test of a single module, but also use coaxial cable connection subsystem to complete the experimental test of the whole RF transceiver system. The power supply and control subsystem includes the whole power supply network layout and the power control of each module circuit. In addition, the coherent detection subsystem can design the principle experiment of radar or frequency-domain reflectometer on this platform. The circuit of the whole teaching package is debugged and the test results are given. The problems in the test are analyzed and the technical improvement scheme is given.
【學位授予單位】：東南大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TN702;G642

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