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驱动编程  The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422 standard

The SP486 and SP487 are low–power quad differential line drivers meeting RS-485 and RS-422 standards. The SP486 features a common driver enable control the SP487 provides independent driver enable controls for each pair of drivers. Both feature tri–state outputs and wide common–mode input range. ...

https://www.eeworm.com/dl/618/406947.html

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Java编程  This article describes how to consume Web services in Java 1.5.0 using the new JAX-WS 2.0 API (JSR 2

This article describes how to consume Web services in Java 1.5.0 using the new JAX-WS 2.0 API (JSR 228). Developers around the world, including me, have always complained about the hard ways to work in Java to consume even a Web service as simple as adding two numbers. However, with JAX-WS 2.0 A ...

https://www.eeworm.com/dl/633/410850.html

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数学计算  observable distribution grid are investigated. A distribution grid is observable if the state of th

observable distribution grid are investigated. A distribution grid is observable if the state of the grid can be fully determined. For the simulations, the modified 34-bus IEEE test feeder is used. The measurements needed for the state estimation are generated by the ladder iterative technique. Two ...

https://www.eeworm.com/dl/641/412610.html

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VHDL/FPGA/Verilog Serial UART open source core. The design is engineered for use as a stand alone chip or for use with

Serial UART open source core. The design is engineered for use as a stand alone chip or for use with other of our cores. The reason for developing the Serial UART core is the fact, that asynchronous serial communication is very common that almost every machine understands it.Also, for OCRP-1, we nee ...

https://www.eeworm.com/dl/663/414311.html

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VHDL/FPGA/Verilog Very simple USB 1.1 PHY. Includes all the goodies: serial/parallel conversion, bit stuffing/unstuff

Very simple USB 1.1 PHY. Includes all the goodies: serial/parallel conversion, bit stuffing/unstuffing, NRZI encoding decoding. Uses a simplified UTMI interface. Currently doesn t do any error checking in the RX section [should probably check for bit unstuffing errors]. Otherwise complete and fully ...

https://www.eeworm.com/dl/663/414312.html

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数值算法/人工智能  The Window Design Method The basic idea behind the design of linear-phase FIR filters using the win

The Window Design Method The basic idea behind the design of linear-phase FIR filters using the window method is to choose a proper ideal frequency-selective filter [which always has a noncausal, infinite duration impulse response] and then truncate its impulse response hd[n] to obtain a linear-phas ...

https://www.eeworm.com/dl/518/417299.html

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其他书籍  This paper shows the development of a 1024-point radix-4 FFT VHDL core for applications in hardware

This paper shows the development of a 1024-point radix-4 FFT VHDL core for applications in hardware signal processing, targeting low-cost FPGA technologies. The developed core is targeted into a Xilinx庐 Spartan鈩?3 XC3S200 FPGA with the inclusion of a VGA display interface and an external 16-bit da ...

https://www.eeworm.com/dl/542/418811.html

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Linux/Unix编程  在网络安全中经常会遇到rootkit

在网络安全中经常会遇到rootkit，NSA安全和入侵检测术语字典( NSA Glossary of Terms Used in Security and Intrusion Detection)对rootkit的定义如下：A hacker security tool that captures passwords and message traffic to and from a computer. A collection of tools that allows a hacker to provide a backdoor in ...

https://www.eeworm.com/dl/619/423501.html

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Java书籍  Mac OS X for Java Geeks delivers a complete and detailed look at the Mac OS X platform, geared speci

Mac OS X for Java Geeks delivers a complete and detailed look at the Mac OS X platform, geared specifically at Java developers. Programmers using the 10.2 (Jaguar) release of Mac OS X, and the new JDK 1.4, have unprecedented new functionality available to them. Whether you are a Java newbie, working ...

https://www.eeworm.com/dl/656/425129.html

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系统设计方案  The AT24C512 provides 524,288 bits of serial electrically erasable and programmable read only memor

The AT24C512 provides 524,288 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 65,536 words of 8 bits each. The device鈥檚 cascadable feature allows up to four devices to share a common two-wire bus. The device is optimized for use in many industrial and c ...

https://www.eeworm.com/dl/678/425339.html

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