搜索：Electric - 虫虫下载站

多媒体处理  Procyon方案(手工制作的MP3播放器电路及资料)

·详细说明：Procyon方案(手工制作的MP3播放器电路及资料)-procyon plan, hand-planted MP3 player electric circuit and material 文件列表:   procyon方案   ...........\Code   ...........\....\ata_if.c   ...........\

https://www.eeworm.com/dl/521/13920.html

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多媒体处理  外挂硬盘和FLASH的MP3播放器解决方案

·详细说明：外挂硬盘和FLASH的MP3播放器解决方案，用C和汇编编写，并附带有电路原理图- Outside hangs the hard disk and the FLASH MP3 player solution, with C and the assembly compilation, and has the electric circuit schematic diagram in pass

https://www.eeworm.com/dl/521/14159.html

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模拟电子  晶体振荡器设计,以满足您的应用

Abstract: Quartz crystals are mechanical resonators with piezoelectric properties. The piezoelectricproperties (electric potential across the crystal is proportional to mechanical deformation) allow their use

https://www.eeworm.com/dl/571/20702.html

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模拟电子  电路分析基础pdf

电路分析基础电路分析基础Fundamentals of Electric CircuitsFundamentals of Electric Circuits多媒体教学课件多媒体教学课件北京理工大学北京理工大学Beijing Institute of TechnologyBeijing Institute of Technology 目录&#8226;第一章集总电路中电压、电流的约束关系&#8226;第二章运用独立电流、电压变量的分析方法&#8 ...

https://www.eeworm.com/dl/571/21442.html

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PCB相关  计算FR4上的差分阻抗(PDF)

Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface microstrip configurations. The anomaly is shown tobe due to ...

https://www.eeworm.com/dl/501/22297.html

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电源技术  智能电表和智能电网手册

Abstract: Investment in smart meters and smart grid end equipment continues to grow worldwide as countriestry to make their electric delivery systems more efficient. However, as critical as the electric deliveryinfrastructure is, it is normally not secured and thus subject to attack. This article ...

https://www.eeworm.com/dl/505/23357.html

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电源技术  G3-PLC技术使电动汽车智能化充电

Abstract: This article explores criteria necessary for reliable communication between electric vehicles (EVs) and electric vehicleservice equipment (EVSE). Data will demonstrate that a G3-PLC system has already met the criteria established by the automotiveand utility industries. Multiple internat ...

https://www.eeworm.com/dl/505/24050.html

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电源技术  基于开关电容技术的锁定放大器设计

锁定放大是微弱信号检测的重要手段。基于相关检测理论，利用开关电容的开关实现锁定放大器中乘法器的功能，提出开关电容和积分器相结合以实现相关检测的方法，并设计出一种锁定放大器。该锁定放大器将微弱信号转化为与之相关的方波，通过后续电路得到正比于被测信号的直流电平，为后续采集处理提供方便。测量数据表明锁定放 ...

https://www.eeworm.com/dl/505/24425.html

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单片机编程  基于AVR单片机的闭环控制系统

　　针对科研实验中对拉压千斤顶加载过程控制的需要，采用ATmega128单片机控制步进电机进而实现对执行系统的电动泵站实行自动控制。对力和位移的数据采集与处理及用步进电机控制电动泵站手柄的技术细节作了重点描述。通过单片机的A/D变换器对AMP放大模块采集的电桥信号作量化处理，千斤顶的操控手柄位置依电动油泵阀门开 ...

https://www.eeworm.com/dl/502/29071.html

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单片机编程  基于凌阳单片机的步进电机加减速的控制方法

提出一种基于凌阳单片机的步进电机加减速的控制方法。采用凌阳科技推出的16位结构工控单片机SPMC75F2413A为控制器，由Allegro公司生产的两相步进电机专用驱动器件SLA7042M构成步进电机的驱动电路，在传统的3段直线加减速控制算法基础上增加至7段S形曲线加减速过程，控制步进电机的启动和停止。实验结果表明，该控制方法克服 ...

https://www.eeworm.com/dl/502/29171.html

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