This thesis probes into design of microcomputer system taking single chip microcomputer as central , anti - interference , security segregate and design of interface circuit etc . furthermore , the option to cycle of sampling various frequencies examine signals is also analyzed and it was utilized in the examine system . thus , the dependability and stability problem of the microcomputer examine system of hydraulic resistance testbed have been solved better , make this test a modern techniques and practibility is good 本文在以单片机为核心的微机系统的设计、接口电路设计、抗干扰技术及安全隔离技术等方面进行了较深入的研究，分析了不同频率检测信号采样周期的选择，并在检测系统中得到了应用，较好地解决了水阻试验台微机检测系统的可靠性和稳定性问题，使得该试验台技术先进、实用性好。
In summarization , multi - sensor data fusion ( msdf ) , which realizes complex components detection on - line , is valid and can provide warrant of intelligent dynamic regulation and control for nutrient - liquid in addition , this paper gives an introduction to the design and realization of msdf system in detail , which include single chip microcomputer system of sampling and preprocessing , management software system by delphi , matlab and communication between micro - computer and single chip microcomputer 综上所述，本论文提出的营养液多组分在线检测的多传感器数据融合机制可以实现对复杂营养液成分的实时检测，从而为循环无土栽培方式中营养液的智能动态调控提供依据。此外，在论文中还详细描述了所研制的多传感器数据融合系统的设计与实现，包括：信号采集和预处理的下位单片机系统研制；基于面向对象的delphi语言和matlab的上位pc机管理软件的设计开发以及上下位机的通信等。
There is necessary to develop and design product with m68hc08 series mcu under the suitable circumstance that provide code editer , compiler , programmer and debugger . some foreign companies have issued several program tools such as metrowerks code warrior and p & e microcomputer systems casms08 , but they are expensive and the interface is showen in english , so it is a serious problem for many native user 国外公司提供的一些开发平台,尽管功能强大,但是价格高昂,英文界面,难以被广大国内用户所接受;国内也有一些大学开发过有关的开发平台,但功能较为单一,只针对m68hc08系列的某款芯片,而且一般不带调试功能。
Designed of hardware and software of single - chip microcomputer system according to the request of the project . ; designed of modem wake up circuit , along with the way of using a single - chip cup to control a modem in details . the development of the software of pc are expounded , especially the communication module and the data management module 本文讨论了系统总体构成，根据课题要求研制了下位机系统软件和系统硬件；研制了调制解调器任务唤醒电路，介绍了单片机控制调制解调器的方法；设计和开发了上位机系统的管理软件，并重点介绍了通信模块、数据库管理模块的设计方法。
The structure of the system and the choice of strobe - level sensor are discussed in the thesis . the design of hardware and software of single - chip microcomputer system are introduced , along with the way of using a single - chip microcomputer to control a modem in detail . the development of the software of pc are expounded . especially the communication module and the data managing module 本文讨论了系统的整体构成及闸位传感器的优化选择；介绍了下位机硬件、软件的设计与开发，重点介绍了单片机控制modem的方法；阐述了上位机软件的开发，对通信模块、数据管理模块、闸门管理模块作了特别的说明：研究了提高软件系统可靠性的一些方法。
The load - control apparatus adopted a single - chip microcomputer system , whose mcu was a kind of high - speed processor - ds80c320 , whose a / d switched apparatus was max180 , whose low - pass filter was max293 , whose f / v transformed circuit was lm331 , whose controlled silicon phase - shift touch - off circuit was tca785 , and whose communicating interface of rs232 was max202 . the watchdog of the mcu was max705 and the system used an on - off electrical source to supply power 球磨机负荷控制仪采用了单片机系统， mcu采用ds80c320高速处理器，采用max180作为md转换器，低通滤波器为max293 ， f v转换电路利用lm331 ，可控硅移相触发电路使用tca785 ， rs232通信接口芯片采用max202 ， mcu监控电路为max705 ，系统使用开关电源供电。
