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Description: 使用AT89C2051的红处遥控窗帘 作者：徐福成 本文介绍一款使用微电脑管理的、红外遥控器控制的多功能窗帘控制器。该窗帘控制器采用 89C2051 单片机的最小系统设计，控制一个 220V 的可逆、变速电动机控制窗帘的拉开和关闭。 窗帘控制器可以使用红外遥控器进行远程手动开、手动关和手动停控制；可以执行事先输入的开启时间和关闭时间进行时间控制；还可以根据室外环境亮度实现环境亮度光控。三种工作方式可以方便地进行选择，当选择时间控制的方案时，数码管还能显示当时小时和分钟时间，不过时间数据只能顺序显示，显示一遍后，略等片刻再显示下一遍时间。另外、电机拉动窗帘的工作的时间长度，电机工作的时候是否有鸣响提示，以及光控状态下环境亮度的控制参数的调整等等都可以通过遥控器进行设置。-use of the red remote control curtain Department Author : Xu cost of introducing the new management of the use of microcomputer, infrared remote control of the multi-function controller curtains. The curtain controller 89C2051 the minimum system design, control of a 220V reversible, variable speed motor control and opened the curtains closed. Curtain controller can use infrared remote control for remote manual open, manual clearance and stopped manually control; Input can be implemented prior to the opening time and the closing time to time control; Also under the outdoor environment can achieve environmental brightness optical brightness control. Three methods of work can easily choose when to choose the time control of the program, the digital control can then shows hours and minutes of
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Size: 7566 |
Author: 丹 |
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Description: AT89C2051和R2R电阻网络构成的模数转换电路ADC，设计成本低-AT89C2051 and R2R resistor network consisting of analog-digital conversion circuits ADC, low-cost design
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Size: 3718 |
Author: 陈旭 |
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Description: AD公司产品，数字隔离器件， 性价比好-AD products, digital isolation devices, good cost performance
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Size: 401308 |
Author: bhj |
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Description: 数码管显示接触式交流稳压器MCU21P，非常稳定，成本低！-Digital tube display contact AC voltage stabilizer MCU21P, very stable, low cost!
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Size: 6144 |
Author: 砚波 |
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Description: 运用保密性好且物美价廉的RFID技术实现预付费电能表! 着重介绍 RFID本身及其与电能表的接口作为核心部分的电能表采用全数字电路来实现有效地提高了测量精度! 同时采用可视化的液晶屏和交互式的键盘等改善了人机界面和电能表的集合改变了现在的电表付款方式可以提高电力部门的工作效率安全可靠! 是当前电子式电能表的一种发展方向-Good use of confidentiality and cost-effective RFID technology implementation prepaid energy meter! Focuses on RFID itself and its interface with the power meter as a core part of the power meter using an all-digital circuit to enhance the effective implementation of the measurement accuracy! Simultaneously use Visualization of the LCD screen and keyboard, such as an interactive human-machine interface and improved the collection of energy meter changed the Pay Now meter the electricity sector can improve the efficiency of the safe and reliable! are the current Electronic Energy Meter a direction of development
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Size: 150528 |
Author: linfeng |
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Description: T108 DATASHEET , OSD芯片， 功能强大， 支持多种视频格式的输入与输出， 广泛应用在车载娱乐系统。
-Cost Effective Highly Integrated Triple ADC+ ITU656/601 Decoder+ Digital RGB+ 2D Video
Decoder+ OSD+ Scaler+ TCON+ DAC+ DCtoDC+ LED/CCFL controls
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Size: 1124352 |
Author: gavin |
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Description: 以“低成本和高性能”为设计思想，借助虚拟仪器的概念和高速的数字信号处理算法将传统的函数发生器、示波器、数据记录仪、频率计、谱分析仪以及滤波器的设计和仿真等功能高度集成、统一平台方便使用。 -With " low cost and high performance" for design ideas, using the concept of virtual instruments and high-speed digital signal processing algorithms, the traditional function generator, oscilloscope, data logger, frequency counter, spectrum analyzer, and filter design and simulation features such as highly integrated, unified platform for ease of use.
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Size: 3625984 |
Author: 鸿 |
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Description: paper on embeded low cost inertal navigaiton system using IMU ,digital compass GPS and an embeded computer system
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Size: 291840 |
Author: asad |
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Description: Block Matching Algorithms for Motion Estimation
This project contains the project report and source code by Aroh Barjatya for Digital Image Processing Class at Utah State University.
Following is a short description of the m files in this zip
motionsEstAnalysis.m Script to execute all Algorithms
motionEstES.m Exhaustive Search Algorithm
motionEstTSS.m Three Step Search Algorithm
motionEstNTSS.m New Three Step Search Algorithm
motionEstSESTSS.m Simple And Efficient Search Algorithm
motionEst4SS.m Four Step Search Algorithm
motionEstDS.m Diamond Search Algorithm
motionEstARPSm Adaptive Root Pattern Search Algorithm
costFuncMAD.m Mean Absolute Difference Function
minCost.m minimum cost among macro blocks
motionComp.m motion compensated image creator
imgPSNR.m finds image PSNR w.r.t. reference image
The test images can be found at http://cc.usu.edu/~arohb/caltrain.zip-Block Matching Algorithms for Motion Estimation
This project contains the project report and source code by Aroh Barjatya for Digital Image Processing Class at Utah State University.
Following is a short description of the m files in this zip
motionsEstAnalysis.m Script to execute all Algorithms
motionEstES.m Exhaustive Search Algorithm
motionEstTSS.m Three Step Search Algorithm
motionEstNTSS.m New Three Step Search Algorithm
motionEstSESTSS.m Simple And Efficient Search Algorithm
motionEst4SS.m Four Step Search Algorithm
motionEstDS.m Diamond Search Algorithm
motionEstARPSm Adaptive Root Pattern Search Algorithm
costFuncMAD.m Mean Absolute Difference Function
minCost.m minimum cost among macro blocks
motionComp.m motion compensated image creator
imgPSNR.m finds image PSNR w.r.t. reference image
The test images can be found at http://cc.usu.edu/~arohb/caltrain.zip
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Size: 118784 |
Author: Yashil |
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Description: 本文详细的介绍了一个数字科斯塔环的具体实现，并且附有matlab仿真代码，基于AM调制，以及希尔伯特变换-This paper introduces a concrete realization of digital Costas loop, and with matlab simulation code, based on AM modulation, as well as the Hilbert transform
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Size: 242688 |
Author: hejie |
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Description: 基于 Proteus 的等离子切割机控制系统的仿真设计
本文介绍了 Proteus 软件的特点和功能以及基于 Proteus 进行单片机系统开发的过程。在
Proteus 环境下结合Keil C 对空气等离子切割机的控制系统进行了调试仿真，仿真证明，该系统可
以完成空气等离子切割机的整体控制功能。在 Proteus 环境下完成单片机系统的硬件设计和软件
调试，可以降低设计成本，缩短开发周期，提高效率。-Design and simulation of digital control system of air plasma cutting machine based on
Proteus
Introduced the characteristic and function of Proteus software, as well as the process of
the development of MCU system based on Proteus. Control system of air plasma cutting machine
was debugged and simulated under Proteus and Kiel C, The simulation had proven that this
system can able to complete the air plasma cutter s all control function, and therefore design and
simulation of control system of digital power supply of air plasma cutting machine used
Proteus can reduce development cost, short the development cycle and raise the efficiency.
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Size: 164864 |
Author: greey |
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Description: Learn the techniques for designing and implementing an all-digital RF frequency synthesizer. In contrast to traditional RF techniques, this innovative book sets forth digitally intensive design techniques that lead the way to the development of low-cost, low-power, and highly integrated circuits for RF functions in deep submicron CMOS processes. Furthermore, the authors demonstrate how the architecture enables readers to integrate an RF front-end with the digital back-end onto a single silicon die using standard ASIC design flow.
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Size: 8208384 |
Author: 朋友 |
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Description: 关于多位数大尺寸高亮度低成本LED数码管驱动电路的设计-On multi-digit low-cost large-size high-brightness LED digital tube drive circuit
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Size: 178176 |
Author: czz |
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Description: 使用EP1C3器件DIY 数码相框
之所以选择 DIY 数码相框，并不是期望可以做个多么像样的产品出来，毕竟消费类数码产品
的市场竞争是很激烈的，任何一个成熟产品的成本都会被剥削到最低。市场上的数码相框一
般是以带液晶驱动外设的 ARM 处理器为主实现上述的所有功能，而这个工程恰恰相反，所有
的功能也都会使用 FPGA 来完成。但是话说回来，FPGA 是硬件，虽然有很多硬件固有特性所
具备的优势，但是其设计灵活性方面还是和软件无法媲美的，所以这个工程项目最终实现的
数码相框的功能会打一些折扣。-DIY Digital Photo Frame with EP1C3 device
DIY digital photo frame chosen, do not expect to be a decent product out how, after all, digital consumer products
Market competition is very fierce, the cost of any mature products will be exploited to a minimum. A digital photo frame on the market
LCD driver as is with ARM processor-based peripherals to achieve all of the features mentioned above, and this project on the contrary, all
The feature also will use the FPGA to complete. But then again, FPGA hardware, although there are many inherent characteristics of the hardware
Have the advantage, but its design flexibility and software is still not comparable, so the eventual realization of this project
Digital Photo Frame features will play some discounts.
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Size: 10691584 |
Author: MRIKO |
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Description: Image processing plays a vital role in the development of medical industry especially ultrasound medical images.
Image acquisition is carried out using ultrasound equipments like transducer, scanner, and CPU and display device. There are
mainly four modes of ultrasound imaging A-mode, M-mode, B-mode and Doppler-mode. Ultrasound imaging plays crucial role in
medical imaging due to its non-invasive nature, low cost and capability of forming real time imaging. Modern ultrasound systems
are signal processing intensive. Advanced techniques of signal processing are used to provide better image quality and higher
diagnostic value.
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Size: 155648 |
Author: B |
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Description: 數位訊號處理（英語：DSP, Digital Signal Process）是將訊號以數位方式表示並處理的理論和技術。數位訊號處理與模擬訊號處理是訊號處理的子集。
數位訊號處理的目的是對真實世界的連續模擬訊號進行測量或濾波。因此在進行數位訊號處理之前需要將訊號從模擬域轉換到數位域，這通常通過模數轉換器實現。而數位訊號處理的輸出經常也要變換到模擬域，這是通過數模轉換器實現的。
數位訊號處理的算法需要利用計算機或專用處理設備如數位訊號處理器和專用積體電路等。數位訊號處理技術及設備具有靈活、精確、抗干擾強、設備尺寸小、造價低、速度快等突出優點，這些都是模擬訊號處理技術與設備所無法比擬的。-Digital signal processing (English: DSP, Digital Signal Process) is the signal to a digital representation of the theory and techniques and processed. Digital signal processing and analog signal processing is a subset of the signal processing. The purpose digital signal processing is the real world of continuous analog signal measurement or filtering. Therefore, prior to digital signal processing you need to convert signals the analog domain to the digital domain, which is usually realized by ADC. The output of digital signal processing often have converted to the analog domain, which is achieved through digital to analog converter. Digital signal processing algorithms need to use a computer or a dedicated processing equipment such as digital signal processors and application specific integrated circuit. Digital signal processing technology and equipment with flexible, precise, strong anti-jamming equipment, small size, low cost, speed and other advantages, which are analog signal pro
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Size: 8436736 |
Author: Yu-Kuang CHUNG |
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Description: 数字频率计作为一种常见的应用电子仪器设备，传统的一般可以完全由硬件电路搭接而成，如采用基于555 定时器电路的多功能数字频率计的设计便是可取的路径之一，不用依靠单片机。但是这种电路存在一些缺点，且测频精度也不如单片机的高。在科学研究和生产实践中，如工业过程控制，生物医学，地震模拟机械振动等领域常常要用到频率计。利用单片机采用程序设计方法来设计频率计，其测频精度高。且线路相对简单，结构紧凑，价格低廉，系统稳定度高，抗干扰能力强，用途广泛等优点-Digital frequency meter is a common application of electronic devices, the traditional general can completely by hardware circuit lap, such as the use of 555 timer circuit based multifunctional digital frequency meter design is the one of the desirable paths without by MCU. But this circuit has some shortcomings, and the accuracy of frequency measurement as well as the MCU high. In the scientific research and production practice, such as industrial process control, biomedicine, seismic modelingmechanical vibration and other fields often use frequency meter. The use of single-chip microcomputer to design frequency meter program design method is adopted, the frequency measurement precision. And the lines are relatively simple, compact structure, low cost, high stability, strong anti-interference ability, wide range of uses, etc.
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Size: 3618816 |
Author: 袁丁 |
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Description: Melanoma is one of the deadly diseases among skin
cancer. Melanoma detection can be done by dermatological
screening and biopsy tests which are time consuming and
expensive that requires experts from medical field. Due to cost of
dermatologist to screen every patient, an automated system is
needed for melanoma detection so that death rates can be
minimized if detected early. It can be done using various image
processing techniques. An important step in the automated
system of melanoma detection is the segmentation process which
locates the border of skin lesion in order to separate the lesion
part from background skin for further feature extraction.
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Size: 2911232 |
Author: Deep123
|
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Description: 实现通信系统的数字模拟混合预编码，进行干扰抑制，提高系统性能，降低硬件复杂度和实现成本(The digital analog hybrid precoding of the communication system is realized, the interference suppression, the performance of the system, the complexity of hardware and the cost of realizing the system are reduced.)
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Size: 27648 |
Author: 郝晓玲 |
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Description: In preliminary design operations, rapid and economical estimations of
aerodynamic stability and control characteristics are frequently required. The
extensive application of complex automated estimation procedures is often
prohibitive in terms of time and computer cost in such an environment.
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Size: 4214285 |
Author: chenqua |
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