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1、精品名师归纳总结成都信息工程学院通信工程学院本科毕业论文设计英文中文 翻译邓谋通信工程2021 级一班2021101039赵建2021 年02 月27 日论文题目红外光通信系统设计姓 名专 业班 级学 号指导老师日 期可编辑资料 - - - 欢迎下载精品名师归纳总结英文原件内容：IntroductionInfrared remote control system is mainly composed by the remote control transmitter, integrated receiver head, microcontroller, interface circuit sh

2、own in Figure 1. The remote control is used to generate the remote encoder pulse drive infrared emission control output of the infrared remote control signal, the remote control receiver on the remote control signal amplification, detection, shaping, demodulation remote encoder pulse. The remote con

3、trol encoder pulse is a serial binary code for the infrared remote control system, the serial code input to the microcontroller, its internal CPU instruction decode on the remote control, and perform remote control functions. Using the remote control as the input of the control system, we need to ad

4、dress the following key questions: how to receive the infrared remote control signal; how to identify the infrared remote control signal, and decoding software design, design of control procedures.SCM historySCM was born in 1971, has gone through three major phases of the SCM, the MCU SoC.It consist

5、s of computing device, controller, memory, input output devices.Its full name is a single-chip microcomputer, is typical of embedded micro- controller Microcontroller Unit, the commonly used letters of the abbreviation MCU single-chip, and it was first used in the field of industrial control.Master

6、microcontroller technology to enable more people in the industry, students,enthusiasts, product developers, the question arose due to the extensive application of SCM in the field of industrial control, microcontroller development board, the more famous such as e-DZR-01A microcontroller development

7、board.Microcontroller chip dedicated processor developed from the CPU.The first design concept by a large number of peripherals and CPU integrated in a single chip, the computer system is smaller, more easily integrated into complex and require strict control equipment on the volume.Single-chip, als

8、o known as single-chip microcontroller, it is not the completion of a logical function of the chip, but a computer system integrated ontoone chip.Equivalent to a mini-computer and computer, microcontroller only the lack of I / O devices.SCM rely on the program is running, and can be modified.Differe

9、nt可编辑资料 - - - 欢迎下载精品名师归纳总结functions through different programs, especially the special unique function, which is the other devices require much effort to do, while others make great efforts it is difficult to do.A not very complex functions using pure hardware to get the words of the 1950s developed

10、 74 series, or 60 during the CD4000 series, the circuit must be a big PCB board.If successful on the market in the United States in the 1970s series of microcontrollers, the result will be different.Just because a program written by the MCU through you can achieve high intelligence, high efficiency

11、and high reliability.Microcontroller for cost sensitive, so accounting for the dominance of the software or the lowest level assembly language, which is the lowest level than binary machine code language, since such low-level why use it.A lot of high-level language has reached a level of visual prog

12、ramming, why not.The reason is simple, is the microcontroller does not have a home computer as the CPU, also not as hard as mass storage devices.A visual high-level language to write small programs inside even if there is only one button, will reach tens of K of size.Nothing in terms of home PCs har

13、d drive, but for SCM in terms of is not acceptable.SCM in the utilization of hardware resources must be high, so the compilation of the original while still inheavy use.The same reason, if the computer giants operating system and application software to get home PC run up to the home PC can not affo

14、rd.It can be said that the twentieth century across the three power era of theelectrical era, the electronic age and has now entered the computer age.However, such a computer, usually refers to a personal computer, or PC.It is by the host, keyboard, monitor, and so on.Another type of computer, not h

15、ow most people are familiar with.This computer is smart to give a variety of mechanical microcontroller alsoknown as micro-controller.The name suggests, the smallest of this computer systemusing only one IC to make a simple calculation and control.Because of its small, usually hidden in a controlled

16、 mechanical stomach.Throughout the device, it plays like the role of the human mind, it is wrong, the entire device was paralyzed.Now, this single chip field of use has a very wide, such as smart meters, real-time industrial control, communications equipment, navigation systems, home appliances and

17、so on.A variety of products using the SCM, you can play the effect of product upgrades, often preceded by an adjective in front of the product name - smart, such as smart可编辑资料 - - - 欢迎下载精品名师归纳总结washing machines.Some factories or other amateur electronics developers to engage in out of certain produc

18、ts, not the circuit is too complicated, too simple and can easily be imitation.The reason may be stuck in the product does not use a microcontroller or other programmable logic devices.Microcontroller applicationsMCU to infiltrate all areas of life, almost difficult to find which areas of the microc

19、ontroller trail.Navigation device of the missile, aircraft, various instrument control, computer network communications and data transmission, industrial automation and process real-time control and data processing, widely used smart card IC, civil luxury car security system, VCR,cameras, the contro

20、l of automatic washing machines, and program-controlled toys, electronic pets, etc., which are inseparable from the microcontroller.Not to mention the field of automatic control, robotics, intelligent instruments, medical equipment.Therefore, the learning, development and application of the SCM will

21、 create a number of computer applications and intelligent control of the scientists, engineers.The microcontroller is widely used in the field of instrumentation, home appliances, medical equipment, aerospace, equipment for the intelligent management and process control, generally can be divided int

22、o the following categories:1. On smart instrumentationThe microcontroller has a small size, low power consumption, and control functions, and expansion of the advantages of flexibility, miniaturization and easy to use, widely used in instrumentation, combined with different types of sensors can be r

23、ealized such as voltage, power, frequency, humidity, temperature,flow, speed, thickness, angle, length, hardness, elements, pressure and other physical measurement.SCM makes the digital instrumentation, intelligent, miniaturization and more powerful function than the use of electronic or digital cir

24、cuits.Such as precision measuring equipment power meter, oscilloscope, analyzer.2. In industrial control applicationsMCU can constitute various forms of control systems, data acquisition systems.Such as factory assembly line of intelligent pipe3. in Household Appliances可编辑资料 - - - 欢迎下载精品名师归纳总结It can

25、 be said of home appliances is basically using the MCU control, electric rice praise, washing machines, refrigerators, air conditioners, color TVs, and other audiovideo equipment, then the electronic weighing equipment, varied, omnipresent.4. in the field of computer networks and communicationModern

26、 microcontroller with universal communication interface can be easily and computer data communications, provides excellent material for use in computer networks and communication devices, communication equipment basically to the MCU intelligent control from themobile phones, telephones, small progra

27、m- controlled switchboards, building automated communications call systems, train radio communications, and then to the ubiquitous mobile phones in their daily work, trunking mobile communication radios.5. Chip in the field of medical equipmentThe microcontroller uses in medical devices is also quit

28、e extensive, such as medical ventilator, a variety of analyzers, monitors, ultrasound diagnostic equipment and hospital beds call system and so on.6. Modular applications in a variety of large appliancesSome dedicated microcontroller designed for specific functions, modular applications in a variety

29、 of circuit, without requiring the use of personnel to understand its internal structure.Integrated single-chip, such as music, seemingly simple function, miniature pure electronic chip as opposed to the principle of the tape drive, you need a complex similar to the principle of the computer.Such as

30、: the music signal in digital form in memory similar to the ROM, read by the microcontrollerinto analog music signal similar to the sound card.In large circuits, this modular application greatly reduce the size, simplifying the circuit, reducing the damage, error rate, is also convenient to replace.

31、7. Chip in the field of automotive equipmentThe microcontroller is widely used in automotive electronics, such as automotive engine controllers, intelligent electronic controller based on CAN bus automotive engine, GPS navigation system, abs anti-lock systems, braking systems, etc.In addition, the m

32、icrocontroller business, finance, scientific research, education, defense, aerospace and other fields has a very wide range of applications, microcontroller development prospects are very objective.Speaking in general terms: the MCUs small size, light weight, inexpensive, and provide favorable condi

33、tions for learning, application and development.At the same time, learning to use the microcontroller is the best choice for the understanding of computer theory and structure.SCM is the best choice for people to study and application of related technologies.Master chip AT89S51The AT89S51 ATMEL Corp

34、oration in the United States low-power, high- performance CMOS8 bit microcontroller, on-chip containing 4k bytes of system programming of flash read-only program memory, the device using ATMEL high density nonvolatile memory technology to produce compatiblestandard 8051 instruction set and pin.It co

35、mbines the Flash program memory can Programming ISP can also be used the traditional method of programming and general-purpose 8-bit microprocessor on a single chip.Features OverviewAT89S51 provides the following standard features: 4k bytes of Flash flash memory, 128 bytes of internal RAM, 32 I / O

36、port lines, Watchdog Timer WDT, two data可编辑资料 - - - 欢迎下载精品名师归纳总结pointers, two 16-bit timer / counters, a fivetwo vector interrupt structure, a full duplex serial port, on-chip oscillator and clock circuitry., AT89S51 can be reduced to the 0Hz static logic operation, and supports two software selecta

37、ble power saving modes.Free way to stop the CPU, but allows the RAM, timer / counters, serial communicationport and interrupt system to continue to work.The power down mode to save the contents of RAM, but the oscillator is stopped and prohibited all other parts of the work until the next hardware r

38、eset.可编辑资料 - - - 欢迎下载精品名师归纳总结对应的中文翻译：介绍红外遥控系统主要由遥控发射器、一体化接收头、单片机、接口电路组成，如图一所示。遥控器用来产生遥控编码脉冲，驱动红外发射管输出红外遥控信号，遥控接收头完成对遥控信号的放大、检波、整形、解调出遥控编码脉冲。遥控编码脉冲是一组串行二进制码，对于一般的红外遥控系统，此串行码输入到微掌握器，由其内部 CPU完成对遥控指令解码，并执行相应的遥控功能。使用遥控器作为掌握系统的输入，需要解决如下几个关键问题：如何接收红外遥控信号。如何识别红外遥控信号以及解码电路的设计、掌握程序的设 计。在本片文章中我们主要介绍单片机以及主选芯片的介

39、绍。单片机芯片单片机产生于 1971 年，经受了 SCM、MCU、SOC三大阶段。它由运算器 , 掌握器, 储备器, 输入输出设备构成。它的全称是单片微型电脑，是典型的嵌入式微掌握器 Microcontroller Unit，常用英文字母的缩写 MCU表示单片机，它最早是被用在工业掌握领域。由于单片机在工业掌握领域的广泛应用，为使 更多的业内人士、同学、爱好者，产品开发人员把握单片机这门技术，于是产 生单片机开发板，比较出名的例如电子人DZR-01A单片机开发板。单片机由芯片内有 CPU的专用处理器进展而来。最早的设计理念是通过将大量外围设备和CPU集成在一个芯片中，使电脑系统更小，更简洁集成

40、进复杂的而对体积要求 严格的掌握设备当中。同时单片机又称单片微掌握器，它不是完成某一个规律 功能的芯片，而是把一个电脑系统集成到一个芯片上。相当于一个微型的电脑，和电脑相比，单片机只缺少了I/O 设备。单片机是靠程序运行的，并且可以修改。通过不同的程序实现不同的功能，特别是特别的特殊的一些功能，这 是别的器件需要费很大力气才能做到的，有些就是花大力气也很难做到的。一 个不是很复杂的功能要是用美国50 岁月开发的 74 系列，或者 60 岁月的CD4000系列这些纯硬件来搞定的话，电路肯定是一块大PCB板！但是假如要是用美国 70 岁月胜利投放市场的系列单片机，结果就会有天壤之别！只由于单片机的

41、通过你编写的程序可以实现高智能，高效率，以及高牢靠性！由于单片机对成本是敏锐的，所以目前占统治位置的软件仍是最低级汇编语言，它是除了二进制机器码以上最低级的语言了，既然这么低级为什么仍要用了？许多高级的语言已经到达了可视化编程的水平为什么不用了？缘由很简可编辑资料 - - - 欢迎下载精品名师归纳总结单，就是单片机没有家用电脑那样的CPU，也没有像硬盘那样的海量储备设备。一个可视化高级语言编写的小程序里面即使只有一个按钮，也会到达几十K的尺寸！对于家用 PC的硬盘来讲没什么，可是对于单片机来讲是不能接受的。 单片机在硬件资源方面的利用率必需很高才行，所以汇编虽然原始却仍是在大量使用。一样的道理

42、，假如把巨型电脑上的操作系统和应用软件拿到家用PC上来运行，家用 PC的也是承担不了的。可以说，二十世纪跨过了三个“电”的时代，即电气时代、电子时代和现已进入的电脑时代。不过，这种电脑，通常是指个人电脑，简称PC机。它由主机、键盘、显示器等组成。仍有一类电脑，大多数人却不怎么熟识。这种电脑就是把智能给予各种机械的单片机亦称微掌握器。顾名思义，这种电脑的最小系统只用了一片集成电路，即可进行简洁运算和掌握。由于它体积小，通常都藏在被控机械的“肚子”里。它在整个装置中，起着有如人类头脑的作 用，它出了毛病，整个装置就瘫痪了。现在，这种单片机的使用领域已特别广泛，如智能外表、实时工控、通讯设备、导航系

43、统、家用电器等。各种产品一旦用上了单片机，就能起到使产品升级换代的成效，常在产品名称前冠以形容词“智能型”，如智能型洗衣机等。现在有些工厂的技术人员或其它业余电子开发者搞出来的某些产品，不是电路太复杂，就是功能太简洁且极易被仿制。究其缘由，可能就卡在产品未使用单片机或其它可编程规律器件上。单片机的应用领域目前单片机渗透到我们生活的各个领域，几乎很难找到哪个领域没有单片机的踪迹。导弹的导航装置，飞机上各种外表的掌握，电脑的网络通讯与数据传输，工业自动化过程的实时掌握和数据处理，广泛使用的各种智能IC 卡，民用豪华轿车的安全保证系统，录像机、摄像机、全自动洗衣机的掌握，以及程控玩具、电子宠物等等，

44、这些都离不开单片机。更不用说自动掌握领域的机器人、智能外表、医疗器械了。因此，单片机的学习、开发与应用将造就一批电脑应用与智能化掌握的科学家、工程师。单片机广泛应用于仪器外表、家用电器、医用设备、航空航天、专用设备的智能化治理及过程掌握等领域，大致可分如下几个范畴：智能仪器外表上的应用单片机具有体积小、功耗低、掌握功能强、扩展敏捷、微型化和使用便利等优点，广泛应用于仪器外表中，结合不同类型的传感器，可实现诸如电压、可编辑资料 - - - 欢迎下载精品名师归纳总结功率、频率、湿度、温度、流量、速度、厚度、角度、长度、硬度、元素、压力等物理量的测量。采纳单片机掌握使得仪器外表数字化、智能化、微型化

45、， 且功能比起采纳电子或数字电路更加强大。例如精密的测量设备功率计，示波器，各种分析仪。2. 在工业掌握中的应用用单片机可以构成形式多样的掌握系统、数据采集系统。例如工厂流水线的智能化管3. 在家用电器中的应用可以这样说，现在的家用电器基本上都采纳了单片机掌握，从电饭褒、洗衣机、电冰箱、空调机、彩电、其他音响视频器材、再到电子秤量设备，五花八门，无所不在。4. 在电脑网络和通信领域中的应用现代的单片机普遍具备通信接口，可以很便利的与电脑进行数据通信，为 在电脑网络和通信设备间的应用供应了极好的物质条件，现在的通信设备基本 上都实现了单片机灵能掌握，从，机、小型程控交换机、楼宇自动通信呼叫系统、

46、列车无线通信、再到日常工作中随处可见的移动，集群移动通信，无线电对讲机等。5. 单片机在医用设备领域中的应用单片机在医用设备中的用途亦相当广泛，例如医用呼吸机，各种分析仪， 监护仪，超声诊断设备及病床呼叫系统等等。6. 在各种大型电器中的模块化应用某些专用单片机设计用于实现特定功能，从而在各种电路中进行模块化应用，而不要求使用人员明白其内部结构。如音乐集成单片机，看似简洁的功 能，微缩在纯电子芯片中有别于磁带机的原理，就需要复杂的类似于电脑的原理。如：音乐信号以数字的形式存于储备器中类似于ROM，由微掌握器读出，转化为模拟音乐电信号类似于声卡。在大型电路中，这种模块化应用极大的缩小了体积，简化

47、了电路，降低了损坏、错误率，也便利于更换。7. 单片机在汽车设备领域中的应用可编辑资料 - - - 欢迎下载精品名师归纳总结单片机在汽车电子中的应用特别广泛，例如汽车中的发动机掌握器，基于 CAN总线的汽车发动机灵能电子掌握器， GPS导航系统， abs 防抱死系统，制动系统等等。此外，单片机在工商，金融，科研、训练，国防航空航天等领域都有着特别广泛的用途，所以单片机的进展前景特别客观。概括的讲：单片机的体积小、质量轻、价格廉价、为学习、应用和开发供应了便利条件。同时，学习使用单片机是明白电脑原理与结构的最正确挑选。单片机是人们学习和应用相关技术的最正确挑选。主控芯片 AT89S51AT89S

48、51 是美国 ATMEL 公司生产的低功耗，高性能 CMOS8 位单片机， 片内含 4k bytes的可系统编程的 Flash只读程序储备器 ,器件采纳 ATMEL 公司的高密度、非易失性储备技术生产，兼容标准8051 指令系统及引脚。它集Flash 程序储备器既可在线编程 ISP也可用传统方法进行编程及通用8 位微处理器于单片芯片中。功能概述：AT89S51 供应以下标准功能： 4k 字节 Flash闪速储备器， 128 字节内部RAM， 32 个 I O 口线，看门狗 WDT ，两个数据指针，两个 16 位定时计数器，一个 5 向量两级中断结构，一个全双工串行通信口，片内振荡器准时钟电路。同时， AT89S51可降至 0Hz 的静态规律操作，并支持两种软件可选的节电工作模式。闲暇方式停止 CPU的工作，但答应 RAM，定时计数器，串行通信口及中断系统连