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cost-for-optimizing-sensor-System

  • MAX7456在可視倒車雷達中的應用

    為解決傳統可視倒車雷達視頻字符疊加器結構復雜,可靠性差,成本高昂等問題,在可視倒車雷達設計中采用視頻字符發生器芯片MAX7456。該芯片集成了所有用于產生用戶定義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為核心的可視倒車雷達的軟、硬件實現方案及設計實例。該方案具有電路結構簡單、價格低廉、符合人體視覺習慣的特點。經實際裝車測試,按該方案設計的可視倒車雷達視場清晰、提示字符醒目、工作可靠,可有效降低駕駛員倒車時的工作強度、減少倒車事故的發生。 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.

    標簽: 7456 MAX 可視倒車 中的應用

    上傳時間: 2013-12-10

    上傳用戶:qiaoyue

  • 如何選擇補償的硅壓力傳感器

    Abstract: This reference design provides design ideas for a cost-effective, low-power liquid-level measurement dataacquisition system (DAS) using a compensated silicon pressure sensor and a high-precision delta-sigma ADC. Thisdocument discusses how to select the compensated silicon pressure sensor, suggest system algorithms, and providenoise analyses. It also describes calibration ideas to improve system performance while also reducing complexity andcost.

    標簽: 如何選擇 補償 硅壓力傳感器

    上傳時間: 2013-10-08

    上傳用戶:sjy1991

  • 基于ZigBee技術的無線智能家用燃氣報警系統

    在研究傳統家用燃氣報警器的基礎上,以ZigBee協議為平臺,構建mesh網狀網絡實現網絡化的智能語音報警系統。由于傳感器本身的溫度和實際環境溫度的影響,傳感器標定后采用軟件補償方法。為了減少系統費用,前端節點采用半功能節點設備,路由器和協調器采用全功能節點設備,構建mesh網絡所形成的家庭內部報警系統,通過通用的電話接口連接到外部的公用電話網絡,啟動語音模塊進行報警。實驗結果表明,在2.4 GHz頻率下傳輸,有墻等障礙物的情況下,節點的傳輸距離大約為35 m,能夠滿足家庭需要,且系統工作穩定,但在功耗方面仍需進一步改善。 Abstract:  On the basis of studying traditional household gas alarm system, this paper proposed the platform for the ZigBee protocol,and constructed mesh network to achieve network-based intelligent voice alarm system. Because of the sensor temperature and the actual environment temperature, this system design used software compensation after calibrating sensor. In order to reduce system cost, semi-functional node devices were used as front-end node, however, full-function devices were used as routers and coordinator,constructed alarm system within the family by building mesh network,connected to the external public telephone network through the common telephone interface, started the voice alarm module. The results indicate that nodes transmit about 35m in the distance in case of walls and other obstacles by 2.4GHz frequency transmission, this is able to meet family needs and work steadily, but still needs further improvement in power consumption.

    標簽: ZigBee 無線智能 報警系統

    上傳時間: 2013-10-30

    上傳用戶:swaylong

  • Generate font for embedded system

    Generate font for embedded system

    標簽: Generate embedded system font

    上傳時間: 2015-01-09

    上傳用戶:sz_hjbf

  • UCL compress and decompress tool, very useful for embedded system

    UCL compress and decompress tool, very useful for embedded system

    標簽: decompress compress embedded system

    上傳時間: 2015-01-09

    上傳用戶:三人用菜

  • libpcap is a system-independent interface for user-level packet capture. libpcap provides a portable

    libpcap is a system-independent interface for user-level packet capture. libpcap provides a portable framework for low-level network monitoring. Applications include network statistics collection, security monitoring, network debugging, etc.

    標簽: libpcap system-independent user-level interface

    上傳時間: 2014-08-11

    上傳用戶:saharawalker

  • ext2 file system driver for win nt

    ext2 file system driver for win nt

    標簽: driver system ext2 file

    上傳時間: 2013-12-11

    上傳用戶:jennyzai

  • The Gray Watson debugging malloc library is C source code for a drop in replacement for the system m

    The Gray Watson debugging malloc library is C source code for a drop in replacement for the system malloc & other memory manage ment routines. What is unique about this library is that it contains a number of powerful debugging facilities including very comprehensive heap testing and ex- cellent run-time debugging information.

    標簽: replacement debugging for library

    上傳時間: 2015-02-05

    上傳用戶:TF2015

  • An implementation of the TCP/IP protocol suite for the LINUX operating system. INET is implemented u

    An implementation of the TCP/IP protocol suite for the LINUX operating system. INET is implemented using the BSD Socket interface as the means of communication with the user level.

    標簽: implementation implemented the operating

    上傳時間: 2015-02-25

    上傳用戶:xuanjie

  • Tomcat: The Definitive Guide offers something for everyone who uses Tomcat. System and network admin

    Tomcat: The Definitive Guide offers something for everyone who uses Tomcat. System and network administrators will find detailed instructions on installation, configuration, and maintenance.

    標簽: Tomcat Definitive something everyone

    上傳時間: 2015-03-02

    上傳用戶:ynsnjs

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