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通讯/手机编程  mmodbus

用VB编写的简单的modbus协议双机通信软件，使用mscom控件实现串口通信，包括端口配置，收发内容显示等。-VB prepared using a simple two-plane Modbus

https://www.eeworm.com/dl/527/11793.html

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学术论文  基于FPGA的MPEG4编解码芯片开发系统设计研究

MPEG-4是目前非常流行的视频压缩标准,基于MPEG-4的视频处理系统有两种体系结构:可编程结构和专用结构.可编程结构灵活,适用范围广,易于升级,但电路复杂,电路功耗大.专用视频编解码器结构硬件开销小,处理速度高.该文主要研究专用的MPEG-4视频编解码芯片设计方法.目前市场上MPEG-4视频编解码芯片主要是Simple Profile级别的,而 ...

https://www.eeworm.com/dl/514/11882.html

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ALTERA FPGA开发软件  ispLEVER Starter0

简单的高速接口，FPGA和高速AD的接口编程-Simple high-speed

https://www.eeworm.com/dl/552/13561.html

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数值算法/人工智能  简单的指纹识别算法

·详细说明：一个简单的指纹识别算法- A simple fingerprint recognition algorith文件列表:   指纹识别的程序(v c++)   .....................\edgedetect.cpp   .....................\edgedetect.dep.txt   ..............

https://www.eeworm.com/dl/518/13912.html

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用fpga实现的DA转换器，有说明和源码，VDHL文件。\\r\\nA PLD Based Delta-Sigma DAC\\r\\nDelta-Sigma modulation is the simple, yet powerful,\\r\\ntechnique responsible for the extraordinary\\r\\nperformance and low cost of today s audio CD\\r\\nplayers. The simplest Delta-Sigm

https://www.eeworm.com/dl/fpga/doc/18209.html

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模拟电子  正确的混合信号设计印刷电路板(PCB)的接地

Abstract: This tutorial discusses proper printed-circuit board (PCB) grounding for mixed-signal designs. Formost applications a simple method without cuts in the ground plane allows for successful PCB layouts withthis kind of IC. We begin this document with the basics: where the current flows. Lat ...

https://www.eeworm.com/dl/571/20666.html

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模拟电子  音频数模转换器DAC抖动的灵敏度分析

Abstract: This application note describes how sampling clock jitter (time interval error or "TIE jitter") affectsthe performance of delta-sigma digital-to-analog converters (DACs). New insights explain the importanceof separately specifying low-frequency (< 2x passband frequency) and high-frequenc ...

https://www.eeworm.com/dl/571/20671.html

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模拟电子  如何选择合适的Logger按钮

Abstract: For many first-time users, finding the right logger that meets their needs can be a challenging task. In simple

https://www.eeworm.com/dl/571/21022.html

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模拟电子  应用笔记-校准激光驱动器POT和DAC

Abstract: A laser module designer can use a fixed resistor, mechanical pot, digital pot, or a digital-to-analogconverter (DAC) to control the laser driver&#39;s modulation and bias currents. The advantages of a programmablemethod (POT or DAC) are that the manufacturing process can be automated and ...

https://www.eeworm.com/dl/571/21185.html

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模拟电子  精密DAC和看门狗提高模拟输出安全

Abstract: Using a DAC and a microprocessor supervisor, the system safety can be improved in industrial controllers, programmablelogiccontrollers (PLC), and data-acquisition systems. The analog output is set to zero-scale (or pin-programmable midscale) when amicroprocessor failure, optocoupler fail ...

https://www.eeworm.com/dl/571/21258.html

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