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  • Triangular mesh processing tool, currently very few people use this software, but it allows us to gr

    Triangular mesh processing tool, currently very few people use this software, but it allows us to greatly reduce the time to deal with a lot of the grid.

    標簽: Triangular processing currently software

    上傳時間: 2013-12-09

    上傳用戶:BOBOniu

  • implement basic routines in Matlab and Octave (currently using Matlab R13) for simulating adaptive b

    implement basic routines in Matlab and Octave (currently using Matlab R13) for simulating adaptive beamforming and filtering for antenna arrays.

    標簽: Matlab simulating implement currently

    上傳時間: 2014-01-03

    上傳用戶:851197153

  • The script requires four fields, X, Y, label, and html. currently these four fields are the only fi

    The script requires four fields, X, Y, label, and html. currently these four fields are the only fields converted into XML

    標簽: fields four currently requires

    上傳時間: 2013-11-30

    上傳用戶:iswlkje

  • tinyos1.x 測試看門狗的程序 Testsuite for watchdog component. It currently shows three behaviors:

    tinyos1.x 測試看門狗的程序 Testsuite for watchdog component. It currently shows three behaviors:

    標簽: Testsuite component behaviors currently

    上傳時間: 2014-01-01

    上傳用戶:qw12

  • 智能電網安全保護

    Abstract: Stuxnet, a sophisticated virus that damaged Iran's nuclear capability, should be an eye openerfor the world. We can choose to learn something very narrow (how to combat the Stuxnet virus) or wecan choose to focus on the larger goal of thwarting the next type of creative cyber attack. Unfortunately,critical industrial infrastructure is not currently designed with security as a key goal, leaving open multipleavenues for an educated and funded attacker to create massive problems. This tutorial outlines somebasic concepts that engineers and product definers should consider to make sure their new projects stayahead of future threats.

    標簽: 智能電網 安全保護

    上傳時間: 2013-11-17

    上傳用戶:llwap

  • 基于單片機的數字化B超鍵盤設計

    針對目前使用的RS232接口數字化B超鍵盤存在PC主機啟動時不能設置BIOS,提出一種PS2鍵盤的設計方法。基于W78E052D單片機,采用8通道串行A/D轉換器設計了8個TGC電位器信息采集電路,電位器位置信息以鍵盤掃描碼序列形式發送,正交編碼器信號通過XC9536XL轉換為單片機可接收的中斷信號,軟件接收到中斷信息后等效處理成按鍵。結果表明,在滿足開機可設置BIOS同時,又可實現超聲特有功能,不需要專門設計驅動程序,接口簡單,成本低。 Abstract:  Aiming at the problem of the digital ultrasonic diagnostic imaging system keyboard with RS232 interface currently used couldn?蒺t set the BIOS when the PC boot, this paper proposed a design method of PS2 keyboards. Based on W78E052D microcontroller,designed eight TGC potentiometers information acquisition circuit with 8-channel serial A/D converter, potentiometer position information sent out with keyboard scan code sequentially.The control circuit based on XC9536 CPLD is used for converting the mechanical actions of the encoders into the signals that can be identified by the MCU, software received interrupt information and equivalently treatmented as key. The results show that the BIOS can be set to meet the boot, ultrasound specific functionality can be achieved at the same time, it does not require specially designed driver,the interface is simple and low cost.    

    標簽: 單片機 B超 數字化 鍵盤設計

    上傳時間: 2013-10-10

    上傳用戶:asdfasdfd

  • 基于ARM單片機的自動測高測距小車

    生活中許多目標的高度和水平距離需要進行測量。目前主要的測量方法,仍以傳統的皮尺丈量為主,測量效率不高,有時還很不方便,沒有技術成熟的數字式測高測距產品。以基本的數學方法為理論依據,利用遙控小車做為載體,采用角度傳感器測量角度、霍爾傳感器測量水平距離等,通過單片機LM3S615進行數據計算,實現了對待測目標物體的高度、水平距離等數據的快速、精確和數字式的測量,高度測量精度可達99.06%,水平測量精度則可達98.06%。 Abstract:  In our lives, the height and horizontal distance of some goals are needed to be measured. Because the currently used methods are still traditional tape-based measuring methods, and the measuring efficiency is low and inconvenient so some kinds of digital and portable measuring methods or instruments are needed. Based on the basic math theory, this paper designed and manufactured a portable, digital and remote controlled measuring mobile small vehicle, which assembled with angle measuring sensor for angle measurement and Hall sensor for horizontal distance measuring. MCU LM3S615 calculated the height and horizontal distance data gotten from these sensors. The measuring process is simple, the measuring results are more accurate and the measuring efficiency is higher than traditional measure instruments. The accuracy of height and distance measurement can reach 99.06% and 98.06%.

    標簽: ARM 單片機 自動

    上傳時間: 2013-10-30

    上傳用戶:jackandlee

  • 基于雙ATmega128的安檢力學試驗機設計

    針對當前安檢力學試驗機所能完成的試驗種類單一、自動化程度低等問題,提出一種以ATmega128單片機為核心控制器的安檢力學試驗機的設計。詳細闡述了該安檢力學試驗機各個組成部分的設計原理和方案,并且給出了各部分的軟件設計思想和操作流程。經過大量測試試驗表明:設計的安檢力學試驗機可以完成多達十余種的力學安檢試驗,完全符合相關國家標準,并且具有數據采集精度高、傳輸速度快、操作安全簡便等特點,實現了安檢設備的多功能化、數字化和自動化。 Abstract:  currently, many mechanical security testing machines have only one function. The degree of automation of them is low. To solve those problems, a new kind of mechanical security testing machine, using ATmega128 micro-controller as its core controller, has been advanced. It describes the components of the machine. The principles and the scheme in the designing processes are presented in detail, and the software architecture and the operation processes of each part are given. After having done many testing, we have reached the following conclusions: the mechanical security testing machine presented can do over ten mechanical security tests complying with related national standards. It has high data acquisition accuracy and high transmission speed. The operation of the machine is simple and safe. In general, this machine is a multi-functional, highly automatic, digitalized security testing device.

    標簽: ATmega 128 安檢 試驗機

    上傳時間: 2013-11-05

    上傳用戶:a67818601

  • SOC驗證方法

    Prakash Rashinkar has over 15 years experience in system design and verificationof embedded systems for communication satellites, launch vehicles and spacecraftground systems, high-performance computing, switching, multimedia, and wirelessapplications. Prakash graduated with an MSEE from Regional Engineering College,Warangal, in India. He lead the team that was responsible for delivering themethodologies for SOC verification at Cadence Design Systems. Prakash is anactive member of the VSIA Functional Verification DWG. He is currently Architectin the Vertical Markets and Design Environments Group at Cadence.

    標簽: SOC 驗證方法

    上傳時間: 2014-01-24

    上傳用戶:xinhaoshan2016

  • MAX7060的ASK_FSK的ISM射頻發射機

    Abstract: This application note illustrates the flexibility of the MAX7060 ASK/FSK transmitter. While the currently available evaluationkit (EV kit) has been optimized for the device's use in a specific frequency band (i.e., 288MHz to 390MHz), this document addresseshow the EV kit circuitry can be modified for improved operation at 433.92MHz, a frequency commonly used in Europe. Twoalternative match and filter configurations are presented: one for optimizing drain efficiency, the other for achieving higher transmitpower. Features and capabilities of earlier Maxim industrial, scientific, and medical radio-frequency (ISM-RF) transmitters areprovided, allowing comparison of the MAX7060 to its predecessors. Several design guidelines and cautions for using the MAX7060are discussed.

    標簽: ASK_FSK 7060 MAX ISM

    上傳時間: 2013-11-14

    上傳用戶:swaylong

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