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XviD
- 首先利用XviD实现对输入视频数据的压缩,然后使用JRtplib将压缩数据通过Internet/Intranet实时传送到接收端,同时使用RTCP包中的反馈信息实现了初步的Qos控制.实验结果表明该方法有助于保证视频传输的实时性和正确性-XviD to achieve the first to use the input video data compression, and then use JRtplib compressed data through Internet/Intranet r
DigitalRadioMondiale
- DRM(Digital Radio Mondiale)系统采用OFDM调制方式, 引入了先进的信源信道编码和调制技术,使得AM波段的音频广播质量大大提高,在保持现有10kHz带宽时接近了FM广播的质量[5]-DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-
BuildingJavaEnterpriseApplicationsVolumeIArchitect
- Java has become a confusing world. Five years ago, there were few decisions to make once you started programming in Java—you used AWT for graphical user interfaces, sockets for network programming, and hacked together everything else you needed
SHAstandard
- 关于SHA系列散列算法标准说明文档,对于每个操作做有详细的说明,另外加入了例子说明。-SHA hash algorithm on the series of standard documents, so for each operation is described in detail, while adding the example.
QOS_routing_selection
- 保证服务质量的QoS 路由(Quality of Service Routing) 是网络中解决QoS 问题的一项关键技术. QoS 路由 的主要目标是为接入的业务选择满足服务质量要求的传输路径,同时保证整个网络资源的有效利用. 度量参数选择问 题、寻路问题和路由信息不准确问题是QoS 路由中的几个主要研究内容. 本文围绕这三个方面,介绍了QoS 路由中的 主要问题及相关的解决办法,并探讨了今后QoS 路由可能的研究方向.-To ensure the quality of serv
54379
- We investigate the case of independent Rayleigh faded paths between antenna elements and find that with high probability extraordinary capacity is available. Compared to the baseline n = 1 case, which by Shannon’s classical formula scales as one
20070823003
- 自动识别系统电台的卞要功能是在接收状态将接收到的射频信号解调成高斯最小频移键控(GMSI})比特流以供信号处理板使用 而在发射状态则将来自处理板的9.6 kbps的GMSI}比特流调制成适合发射的射频信号并发射。木电台使用半双工方式工作,共用一副大线,其中发射通路只有一个通道,但可通过微处理器改变调制芯片LMX1501的内部设置数以产生两个频率,然后再经过卜变频得到中心频率分别为162.025 MHz和161.975 MHz的发射信号 木电台的接收则分为二路,其解调芯片都是用TA31136来实
Springer.Mobile.Broadband.-.Including.WiMAX.and.L
- This book attempts to provide an overview of IP-OFDMA technology, commencing with cellular and IP technology for the uninitiated, while endeavoring to pave the way toward OFDMA theory and emerging technologies, such asWiMAX, LTE, and beyond. Th
WiMAX-Antenas
- Lack of standards and spotty frequency availability in the sub-11 GHz region has forced many original equipment manufacturers (OEMs) and network operators to specify unique custom antennas for base stations and backhaul in broadband wireless poin
Ergen_Mobile_Broadband_Including_WiMAX_and_LTE_(S
- This book attempts to provide an overview of IP-OFDMA technology, commencing with cellular and IP technology for the uninitiated, while endeavoring to pave the way toward OFDMA theory and emerging technologies, such asWiMAX, LTE, and beyond. Th
RS485
- 阐述了RS-485总线规范,描述了影响RS-485总线通信速率和通信可靠性的三个因素,同时提出 了相应的解决方法并讨论了总线负载能力和传输距离之间的具体关系。 -Described the RS-485 bus specification, describes the impact of RS-485 bus communication speed and communication reliability of the three factors, while the correspond
VBFXPLCSC09
- VB与三菱SC-09通信实例讲解,同时对三菱FXPLC通讯协议作了说明。-Mitsubishi SC-09 VB and communication examples to explain, while Mitsubishi FXPLC protocol described.
bpsource_1_03
- BestPractice is a tool to slow down or speed up music, either from a wave file, an MP3 file or directly from a CD. The thing is, that ordinarily the sound is distorted when slowed down our sped up - you get the effect like when playing a 45 rpm recor
AdaptiveAlgorivvthms
- has provided the primary evidence supporting involvement of the dopaminergic system in the pathology of RLS. While PET and SPECT imaging of the striatum held initial promise of linking dopamine abnormalities to RLS, they have failed to reveal
Statistical_mechanics_of_complex_networks.pdf
- Complex networks describe a wide range of systems in nature and society. Frequently cited examples include the cell, a network of chemicals linked by chemical reactions, and the Internet, a network of routers and computers connected by physical links
ttye
- To improve network spect ral efficiency , a network coding2aware met rics for wireless routing expected coding2aware t ransmission count ( ECTX) is proposed. In general , there are two steps in cod2 ing2aware routing communication : one is findin
Channel_Codes
- This book includes BCH codes, Reed–Solomon codes, convolutional codes, finite-geometry codes, turbo codes, low-density parity-check (LDPC) codes, and product codes. However, the title has a second interpretation. While the majority of this book
usb-to-the-bookcomputer
- 可以实现 笔记本没有com口的问题,这个可以解决它USB转串口线驱动程序-this may be usedful for you while the book computer have not any com port.
WCDMA-Phone-test
- 一部关于WCDMA测试的相关文章,适应于工厂模式下的手机测试,同时对场测也是一种参考 -A related article on the WCDMA test, adapted to the factory test mode, the mobile phone, while on the field test is also a reference
Siemens-PPI
- Siemens PPI协议分析 西门子S7-200 PLC之间或者PLC与PC之间通信有很多种方式:自由口,PPI方式,MPI方式,Profibus方式。使用自由口方式进行编程时,在上位机和PLC中都要编写数据通信程序。使用PPI协议进行通信时,PLC可以不用编程,而且可读写所有数据区,快捷方便。但是西门子公司没有公布PPI协议的格式。用户如果想使用PPI协议监控,必须购买其监控产品或第三方厂家的组态软件。这样给用户自主开发带来一定困难,特别是自行开发的现场设备就不能通过PPI协议接入PLC