介紹一種基于C8051單片機(jī)的動(dòng)態(tài)心電監(jiān)護(hù)系統(tǒng)。該系統(tǒng)由兩部分組成:以C8051F320單片機(jī)為核心的數(shù)據(jù)采集裝置和以PC機(jī)為平臺的分析處理系統(tǒng)。硬件電路功耗低,由單片機(jī)自帶的USB接口將數(shù)據(jù)傳送給PC機(jī)。軟件平臺采用LabVIEW可視化虛擬儀器系統(tǒng)開發(fā)平臺,將傳統(tǒng)儀器的功能模塊集成到計(jì)算機(jī)中,用戶可通過修改虛擬儀器的程序改變其功能。采用USB接口實(shí)時(shí)傳輸心電數(shù)據(jù),并將數(shù)據(jù)采集模塊設(shè)計(jì)為計(jì)算機(jī)外設(shè),使該系統(tǒng)高速快捷、小巧便攜。 Abstract: In this design,a low-cost ECG electrocardiogram monitoring system is introduced,which consists of two parts:data acquisition device based on C8051F320and PC terminal as the analysis and processing system.The system is low-power consumption,the data is transmitted to the PC terminal by USB interface of the C8051F320.By using the visible virtual instrument system developing platform LabVIEW,the traditional instruments function modules are integrated into the computer,so the user can modify virtual instrument software to change its function to meet their needs.Using USB in-terface to realize real-time ECG data transmission,in addition,ECG data acquisition module is designed as the computer peripheral,which makes the syetem high-speed and portable.
標(biāo)簽: C8051F320 心電監(jiān)護(hù) 系統(tǒng)設(shè)計(jì)
上傳時(shí)間: 2013-11-13
上傳用戶:zhangzhenyu
從系統(tǒng)硬件設(shè)計(jì)和軟件構(gòu)成上,介紹一種以AT89C52單片機(jī)為核心,通過無線遙控方法實(shí)現(xiàn)對預(yù)設(shè)電話自動(dòng)撥號報(bào)警的智能呼救系統(tǒng)。系統(tǒng)提供了患者在緊急情況下無法使用電話報(bào)警時(shí)的一種報(bào)警手段。由用戶預(yù)設(shè)的多組電話號碼作為語音報(bào)警對象,預(yù)錄可長達(dá)20 s的語音信號來說明患者所處地點(diǎn)及病情,并通知患者家人。 Abstract: This paper introduces a intelligent alarming system which is realized by wireless remote control system.This system chiefly consists of AT89C51 the system can processor.User can input several groups of telephone number regarded as alarming objects,The system can record some information 20 seconds to tell the site of the patient.And notice the rokonok of the patient.
上傳時(shí)間: 2013-11-19
上傳用戶:wd450412225
針對眾多低成本數(shù)據(jù)采集需求,采用帶有片上USB控制器和D/A轉(zhuǎn)換器的混合信號微處理器C8051F340,設(shè)計(jì)了一款可通過USB接口和LabVIEW圖形用戶界面實(shí)現(xiàn)與PC機(jī)聯(lián)機(jī)的數(shù)據(jù)采集器,同時(shí)借助系統(tǒng)的SD卡存儲獨(dú)立實(shí)現(xiàn)現(xiàn)場長時(shí)間采集數(shù)據(jù)。該數(shù)據(jù)采集器成本低,結(jié)構(gòu)簡單,體積小,已成功用于工業(yè)現(xiàn)場。 Abstract: Aiming at the need of low cost data acquisition, a data acquisition device is designed based on C8051F340 which is a mixed-signal microcontroller and integrates USB controller and A/D controller on a chip.The data acquisition device which can combine with PC by USB interface and LabVIEW graphical user interface,can realize data acquisition. At the same time,it can be solely run a long time in virtue of SD card in field.The date aequisition device features low cost,simple structure and little sharp, and it has been used in industry field.
標(biāo)簽: C8051F340 數(shù)據(jù) 集器設(shè)計(jì)
上傳時(shí)間: 2014-05-31
上傳用戶:1109003457
介紹一種基于單片機(jī)的多路溫度采集及監(jiān)控系統(tǒng),能夠測量6路溫度信號,具有計(jì)算機(jī)聯(lián)網(wǎng)功能,各測量點(diǎn)可以單獨(dú)監(jiān)控和設(shè)置,可根據(jù)用戶的需求自動(dòng)控制。測量溫度范圍為-10 ℃~200 ℃,控制方式采用模擬量調(diào)壓模式。該系統(tǒng)具有控制精度高、沖擊小等特點(diǎn)。 Abstract: A temperature collecting and surveillance-controlling system based on sing-chip microcomputer is introduced. It can measure 6 channel signal of the temperature,and it has a function of network connection.The temperature measure points can be monitored and located, it can be controlled automatic according to user’s demand.The temperature range is -10℃ to 200℃.The model of control is adjustable voltage with simulation. It features high precision and little impact.
標(biāo)簽: 多路 溫度采集 監(jiān)控系統(tǒng)
上傳時(shí)間: 2013-10-23
上傳用戶:bjgaofei
以S3C825A為例介紹三星公司SAM8系列單片機(jī)的內(nèi)部結(jié)構(gòu)及其軟件開發(fā)環(huán)境,詳細(xì)描述采用混合編程法來對SAM8系列單片機(jī)進(jìn)行軟件設(shè)計(jì)的一般方法,最后給出用混合編程法對S3C825A進(jìn)行軟件設(shè)計(jì)的具體應(yīng)用實(shí)例。 Abstract: With S3C825A,this paper firstly introduces the SAM8 series single-chip microcontrollers and their software development environment, then introduces mixed programming technology for SAM8 series single-chip microcontrollers. In the end, the application program is also given.
標(biāo)簽: S3C825A SAM8 單片機(jī) 軟件設(shè)計(jì)
上傳時(shí)間: 2013-12-09
上傳用戶:ZZJ886
為解決傳統(tǒng)可視倒車?yán)走_(dá)視頻字符疊加器結(jié)構(gòu)復(fù)雜,可靠性差,成本高昂等問題,在可視倒車?yán)走_(dá)設(shè)計(jì)中采用視頻字符發(fā)生器芯片MAX7456。該芯片集成了所有用于產(chǎn)生用戶定義OSD,并將其插入視頻信號中所需的全部功能,僅需少量的外圍阻容元件即可正常工作。給出了以MAX7456為核心的可視倒車?yán)走_(dá)的軟、硬件實(shí)現(xiàn)方案及設(shè)計(jì)實(shí)例。該方案具有電路結(jié)構(gòu)簡單、價(jià)格低廉、符合人體視覺習(xí)慣的特點(diǎn)。經(jīng)實(shí)際裝車測試,按該方案設(shè)計(jì)的可視倒車?yán)走_(dá)視場清晰、提示字符醒目、工作可靠,可有效降低駕駛員倒車時(shí)的工作強(qiáng)度、減少倒車事故的發(fā)生。 Abstract: A new video and text generation chip,MAX7456,was used in the design of video parking sensor in order to simplify system structure,improve reliability and reduce cost. This chip included all the necessary functions to generate user-defined OSDs and to add them into the video signals. It could be put into work with addition of just a small number of resistances and capacitors. This paper provided software and hardware implementation solutions and design example based on the chip. The system had the characteristics of simplicity in circuit structure,lower cost,and comfort for the nature of human vision. Loading road test demonstrates high video and text display quality and reliable performance,which makes the driver easy to see backward and reduces chance of accidents.
標(biāo)簽: 7456 MAX 可視倒車 中的應(yīng)用
上傳時(shí)間: 2013-12-10
上傳用戶:qiaoyue
將現(xiàn)行的供暖計(jì)費(fèi)方式由按建筑面積計(jì)費(fèi)變?yōu)榘聪牡臒崮苡?jì)費(fèi)是供暖計(jì)費(fèi)方式發(fā)展趨勢,為了滿足這一計(jì)費(fèi)方式變化的需要,設(shè)計(jì)了基于IC卡的預(yù)付費(fèi)式新型供暖計(jì)費(fèi)系統(tǒng),通過測量用戶采暖系統(tǒng)進(jìn)出口的溫度和流量,計(jì)算用戶消耗的熱能,利用IC卡記錄用戶預(yù)付費(fèi)的金額和當(dāng)年熱能的單價(jià),根據(jù)熱能消耗和當(dāng)年熱能的單價(jià)計(jì)算用戶采暖費(fèi),根據(jù)實(shí)際發(fā)生的供暖費(fèi)用和預(yù)付費(fèi)金額控制供暖的開停,這一計(jì)費(fèi)方式的變化使供暖計(jì)費(fèi)更趨合理。 Abstract: It is trend that the mode of heat charging is changed from billing by building area to by thermal energy. In order to meet the needs of heat charging mode changing, a new system of heat charging based on IC card is proposed. The user?蒺s energy consumption is calculated by measuring the user inlet and outlet temperature and flow,using the IC card to record the prepaid amount and the current price of heat. The user?蒺s heating costs is calculated according to energy consumption and current price, according to actual heating costs and prepaid amount,the system controls the heating opening or stopping. It is more reasonable that calculated heating costs by user heat consumption
標(biāo)簽: IC卡 計(jì)費(fèi) 系統(tǒng)設(shè)計(jì)
上傳時(shí)間: 2013-10-14
上傳用戶:大融融rr
1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (external supplyalso possible)– generation of intermediate LCD bias voltages– oscillator requires no external components (externalclock also possible)· Display data RAM: 80 characters· Character generator ROM: 240 characters· Character generator RAM: 16 characters· 4 or 8-bit parallel bus or 2-wire I2C-bus interface· CMOS/TTL compatible· 32 row, 60 column outputs· MUX rates 1 : 32 and 1 : 16· Uses common 11 code instruction set· Logic supply voltage range, VDD - VSS: 2.5 to 6 V· Display supply voltage range, VDD - VLCD: 3.5 to 9 V· Low power consumption· I2C-bus address: 011101 SA0.
標(biāo)簽: 2116 PCF LCD 驅(qū)動(dòng)器芯片
上傳時(shí)間: 2013-11-08
上傳用戶:laozhanshi111
MFC 六大技術(shù)之簡化仿真(Console 程序) 第㆓篇【欲善工事先利其器】提供給對 Visual C++ 整合環(huán)境全然陌生的朋友㆒個(gè)導(dǎo)引。 這㆒篇當(dāng)然不能取代 Visual C++ User's Guide 的㆞位,但對整個(gè)軟件開發(fā)環(huán)境有全盤以 及概觀性的介紹,可以讓初學(xué)者迅速了解手㆖掌握的工具,以及它們的主要功能。 第㆔篇【淺出 MFC 程序設(shè)計(jì)】介紹㆒個(gè) MFC 程序的生死因果。已經(jīng)有 MFC 程序經(jīng) 驗(yàn)的朋友,不見得不會(huì)對本篇感到驚艷。根據(jù)我的了解,太多㆟使用 MFC 是「只知道 這么做,不知道為什么」;本篇詳細(xì)解釋 MFC 程序之來龍去脈,為初入 MFC 領(lǐng)域的 讀者奠定扎實(shí)的基礎(chǔ)。說不定本篇會(huì)讓你有醍醐灌頂之感。
上傳時(shí)間: 2013-12-16
上傳用戶:qq527891923
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標(biāo)簽: SUNPLUSIT Q-Writer 編程工具 使用說明書
上傳時(shí)間: 2013-10-13
上傳用戶:brain kung
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