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无线通信 无线电能传输技术展望 黄学良
无线电能传输技术(Wireless Power Transfer Technology)又称无接触电能传输(Contactless Power Transmission，CPT)技术早在1890 年，由著名电气工程师(物理学家)尼古拉·特斯拉(Nikola Tesla) 提出。
单片机编程 SN65LBC170,SN75LBC170,pdf(TRIP
The SN65LBC170 and SN75LBC170 aremonolithic integrated circuits designed forbidirectional data communication on multipointbus-transmission lines. Potential applicationsinclude serial or parallel data transmission, cabledperipheral buses with twin axial, ribbon, ortwisted-pair cabling. These devices ...
无线通信 ZigBee无线传感网络的路由协议研究
 为满足无线网络技术具有低功耗、节点体积小、网络容量大、网络传输可靠等技术要求，设计了一种以MSP430单片机和CC2420射频收发器组成的无线传感节点。通过分析其节点组成，提出了ZigBee技术中的几种网络拓扑形式，并研究了ZigBee路由算法。针对不同的传输要求形式选用不同的网络拓扑形式可以尽大可能地减少系统成本。 ...
系统设计方案 The purpose of this application note is to describe the main elements of an RS-422 and RS-485 syste
The purpose of this application note is to describe the main elements of
an RS-422 and RS-485 system. This application note attempts to cover
enough technical details so that the system designer will have considered all
the important aspects in his data system design. Since both RS-422 and RS-
485 a ...
书籍 Light+Propagation+in+Gain+Media
An optical fiber amplifier is a key component for enabling efficient transmission of
wavelength-divisionmultiplexed(WDM)signalsoverlongdistances.Eventhough
many alternative technologies were available, erbium-doped fiber amplifiers won
theraceduringtheearly1990sandbecameastandardcomponentforlong-hau ...
技术资料 Understanding_the_Basics_of_MIMO
An acronym for Multiple-In, Multiple-Out, MIMO communication sends the same data as several signals
simultaneously through multiple antennas, while still utilizing a single radio channel. This is a form of
antenna diversity, which uses multiple antennas to improve signal quality and strength of an R ...
书籍 Digital+Signal+Processing+for+RFID
Identification is pervasive nowadays in daily life due to many complicated activities such as
bank and library card reading, asset tracking, toll collecting, restricted access to sensitive data
and procedures and target identification. This kind of task can be realized by passwords, bio-
metric data ...
技术资料 The_Circuit_Designer’s_Companion(Second_edition)
1. A lots of comprehensive drawing, most of them are dummy-proof.
2. Very good content structure, one can start from any chapter without difficulty. It is easy to finds what he want.
3. Easy English (OK, okay, I am from Taiwan). No riddle-like description. Always has some explaination when refer t ...
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 ...
可编程逻辑 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 ...