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其他嵌入式/单片机内容  he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with on

he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with only 2 discrete levels, for example 0V and 5V and a constant period. The current value of this signal at a certain poiTnt of time is proportional to its Duty Cycle. That s the High Time during one perio ...

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其他书籍  10分钟学会SQl第三版 Sams Teach Yourself SQL in 10 Minutes has established itself as the gold standard for

10分钟学会SQl第三版 Sams Teach Yourself SQL in 10 Minutes has established itself as the gold standard for introductory SQL books, offering a fast-paced accessible tutorial to the major themes and techniques involved in applying the SQL language. Forta s examples are clear and his writing style is cr ...

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数据结构  解决时钟问题

解决时钟问题，acm竞赛题 A weird clock marked from 0 to 59 has only a minute hand. It won t move until a special coin is thrown into its box. There are different kinds of coins as your options. However once you make your choice, you cannot use any other kind. There are infinite number of coins of eac ...

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文件格式  linux操作系统下运行

linux操作系统下运行，print current directory s files

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数据结构  The government of a small but important country has decided that the alphabet needs to be streamline

The government of a small but important country has decided that the alphabet needs to be streamlined and reordered. Uppercase letters will be eliminated. They will issue a royal decree in the form of a String of B and A characters. The first character in the decree specifies whether a must come ( B ...

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其他  Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this mo

Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this motion into a forward and backward whil orbits. The current function makes use of two sensors to generate a bi-directional spectrogram. The method can be extended to any time-frequency distribution ％ ...

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matlab例程  This demo develops the steady-state characteristics of an induction motor First start the simulation

This demo develops the steady-state characteristics of an induction motor First start the simulation, then Double click the <PLOTS> block to view torque-speed and current-speed curves and the current circle diagram

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单片机开发  c8051f020 实时时钟模块程序内含IIC模块程序/ SYSTEM CLOCK 8M**********/

c8051f020 实时时钟模块程序内含IIC模块程序/********************** SYSTEM CLOCK 8M********************************/ extern unsigned char xdata currenttime[16]={0} extern unsigned char xdata settime[16]={ 0x00, // control regesiter 1 0x00, // control regesiter 2 0x01, / ...

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系统设计方案  Wavelets have widely been used in many signal and image processing applications. In this paper, a ne

Wavelets have widely been used in many signal and image processing applications. In this paper, a new serial-parallel architecture for wavelet-based image compression is introduced. It is based on a 4-tap wavelet transform, which is realised using some FIFO memory modules implementing a pixel-level ...

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其他嵌入式/单片机内容  RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating system designed for embedded systems. The acronym RTEMS initially stood for Real-Time Executive for Missile Systems, then became Real-Time Executive for Military Systems before changing to its current m ...

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