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书籍 Radio+Resource+Management+Strategies
It is more than a decade since GSM was first commercially available. After some unexpected delay, it
seems that finally UMTS is here to stay as a 3G system standardised by 3GPP, at least for another ten
years. UMTS will enable multi-service, multi-rate and flexible IP native-based mobile technologie ...
书籍 EDGE+for+Mobile+Internet
The General Packet Radio Service (GPRS) allows an end user to send and
receive data in packet transfer mode within a public land mobile network
(PLMN) without using a permanent connection between the mobile station
(MS) and the external network during data transfer. This way, GPRS opti-
mizes the us ...
书籍 802.11n A Survival Guide
A decade ago, I first wrote that people moved, and networks needed to adapt to the
reality that people worked on the go. Of course, in those days, wireless LANs came
with a trade-off. Yes, you could use them while moving, but you had to trade a great
deal of throughput to get the mobility. Although ...
单片机开发 This file is distributed in the hope that it will be useful, but WITHOUT WARRANTY OF ANY KIND.
This file is distributed in the hope that it will be useful, but WITHOUT
WARRANTY OF ANY KIND.
Author(s): Ole Saether
DESCRIPTION:
This example should be used together with ex2a-tx433.asm. One nRF9E5
evaluation board (receiver) should be programmed with the hex-file generated
...
书籍 3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched
access networks for both voice communication and Internet access. Evolving Universal
Mobile Telecommunication System (UMTS) networks and first Long Term Evolution
(LTE) installations now deliver bandwidths of sev ...
传感与控制 开关磁阻电机驱动系统发展概况(讲座)
本文介绍了开关磁阻电机驱动系统(Switched Reluctance Drive, SRD)的发展概况、系统构成以及目前的研究热点。
关 键 词: 开关磁阻电机   研究热点
Abstract:In this paper, development, construction and research focus of Switched Reluctance Drive were introduced.
Keywords: Switched Reluctance Mot ...
技术资料 PW5410B_2.0.pdf规格书下载
The PW5410B is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 1.8V to 5V input with up to 100mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410B i ...
技术资料 PW5410A_2.0.pdf规格书下载
The PW5410A is a low noise, constant frequency (1.2MHz) switched capacitor voltage doubler. Itproduces a regulated output voltage from 2.7V to 5V input with up to 250mA of output current. Lowexternal parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) makethe PW5410A i ...
技术资料 电子书-RTL Design Style Guide for Verilog HDL540页
电子书-RTL Design Style Guide for Verilog HDL540页A FF having a fixed input value is generated from the description in the upper portion of
Example 2-21. In this case, ’0’ is output when the reset signal is asynchronously input,
and ’1’ is output when the START signal rises. Therefore, the FF da ...
技术资料 ason技术传输光纤差动保护业务自愈方案研究
0引言目前电力通信网使用的SDH光传输技术通道由中心网管统一配置，不支持业务通道智能多故障自愈保护。通过引入自动交换光网络（Automatically Switched Optical Network，ASON）技术可抗多点故障实现电力EMS、计量、PMU、安稳、调度语音等业务网格保护恢复。2M复用方式已成为光纤电流差动保护装置主要的通信方式。南方电网 ...