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单片机编程 LPC1700以太网MIIM接口应用笔记
The LPC1700 Ethernet block contains a full featured 10 Mbps or 100 Mbps Ethernet MAC (Media Access Controller) designed to provide optimized performance through the use of DMA hardware acceleration. Features include a generous suite of control registers, half or full duplex operation, flow control, ...
数值算法/人工智能 主要特点 * Flexible finite element space construction based template element library 基于模板单元库灵活的构造有限
主要特点
* Flexible finite element space construction based template element library
基于模板单元库灵活的构造有限元空间
* Convenient facilities to implement mesh adaption
很方便的进行网格加密和稀疏化
* Multi-mesh operation supported
支持多套网格操作
需要有一定的有限元基础和C++语言基础，最好 ...
文章/文档 We obtained the energy transport velocity distribution for a three dimensional ideal cloak explicit
We obtained the energy transport velocity distribution for a three dimensional ideal cloak
explicitly. Near the operation frequency, the energy transport velocity has rather peculiar
distribution. The velocity along a line joining the origin of the cloak is a constant, while
the velocity approaches ...
书籍 The Internet of Things From RFI
With more than two billion terminals in commercial operation world-wide, wire-
less and mobile technologies have enabled a first wave of pervasive communication
systems and applications. Still, this is only the beginning as wireless technologies
such as RFID are currently contemplated with a deploym ...
技术资料 模拟对话杂志(第44卷第4期)
In This Issue
2 Editors’ Notes; New Product Introductions
3 Two Ways to Measure Temperature Feature Simplicity, Accuracy, and Flexibility
9 Inertial Sensors Facilitate Autonomous Operation in Mobile Robots
13 Multichannel DDS Enables Phase-Coherent FSK Modulation
15 High-Side Current Sensing with W ...
技术资料 微波工程
5’ummary-A circularly symmetric power divider is described
which splits a signal into n equiphase equismplitude parts where n
can be odd or even. The power divider provides isolation between
output terminals and approximately matched terminal impedances
over about a 20 per cent band. A theory of op ...
技术资料 基于STC15F2K60S2单片机的微电网模拟系统设计
文章研究的微电网实验模拟系统以STC15F2K60S2单片机为控制核心,由三相逆变器、滤波电路、电压电流检测电路等电路构成,利用自然数查表法在单片机输出SPWM脉冲信号,采用双极性调制驱动三相全桥逆变电路,实现了在三相对称Y型连接的电阻负载上得到稳定的正弦波交流电的功能。测试表明该微电网模拟系统输出电流、输出电压和频率, ...
资料/手册 LM621无刷电机换向器
General Description
The LM621 is a bipolar IC designed for commutation of
brushless DC motors. The part is compatible with both
three- and four-phase motors. It can directly drive the power
switching devices used to drive the motor. The LM621 provides
an adjustable dead-time circuit to eliminate ``s ...
微处理器开发 Flex chip implementation File: UP2FLEX JTAG jumper settings: down, down, up, up Input: Reset -
Flex chip implementation
File: UP2FLEX
JTAG jumper settings: down, down, up, up
Input:
Reset - FLEX_PB1
Input n - FLEX_SW switches 1 to 8
Output:
Countdown - two 7-segment LEDs.
Done light - decimal point on Digit1.
Operation:
Setup the binary input n number.
Press the Reset switch.
See the count ...
DSP编程 This document describes how to switch to and program the unisersal serial bus (USB) analog phase-lo
This document describes how to switch to and program the unisersal serial bus (USB)
analog phase-locked loop (APLL) on the C5506/C5507/C5509A devices. Example
assembly programs for programming and switching to and from the APLL are also
provided in the attached zip file. It is assumed that the reade ...