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DVB Open Transmission Core (dvbotc) is an implementation of the DVB-T standard ETSI 300 744v1.05. It is based on opendvb, but has been heavily modied and re-written in the C language to be able to achieve the goal of Real Time encoding and modulatio
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视频编码电路主要实现接收8位CCIR656格式的YUV数据,(例如MPEG解码数据),并编码成亮度Y和色度信号C,以及合成CVBS信号,经过D/A转换后输出。基本的编码功能包括副载波产生,色差信号调制,同步信号内插。
主要应用在视频处理,军事图像处理。
GM7221设计原理图-Video encoding circuit main reception 8 CCIR656 format YUV data (such as MPEG decoding the data), and encod
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物理层调制编码新技术的性能评估.rar
中国移动通信研究院招标邀请书-物理层调制编码新技术的性能评估.doc-Physical layer modulation encoding performance evaluation of new technologies. Rar China Mobile Communications Research Institute of tender invitations- the physical layer modulation encoding p
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语音编码为信源编码,是将模拟信号转变为数字信号,然后在信道中传输。在数字移动通信中,语音编码技术具有相当关键的作用,高质量低速率的话音编码技术与高效率数字调制技术相结合,可以为数字移动网提供高于模拟移动网的系统容量。目前,国际上语音编码技术的研究方向有两个:降低话音编码速率和提高话音质。-Speech coding for source coding is the analog signal into a digital signal, and then in the channel trans
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Arbitrary transmitting antenna, receiving antenna arbitrary STBC-MIMO-OFDM the MATLAB program, including the integrity of PSK modulation, STBC encoding, such as channel estimation.
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本设计文档中所包含测试情况下,
单天线和双天线时各模块输出的结果数据。
测试条件: 一个分组数
所得结果: 1) CRCA校验模块result.DAT
2) CRC码块分隔模块result.DAT
3) turbo编码模块result.DAT
4) 速率匹配模块result.DAT
5) 级联模块result.DAT
6) 加扰模块result.DAT
7)
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专门的无线信道调制和编码解码资料,适合无线通信学习-Dedicated radio channel modulation and encoding and decoding data for wireless communication learning
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BPSK调制,采用(15,11)汉明码对信号编码;然后对信号加噪,解调,译码。-BPSK modulation (15,11) Hamming code signal encoding then added noise to the signal, demodulation, decoding.
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利用matlab simulink产生两路模拟语音信号,经过pcm编码、时分复用、DPSK调制经过同一个信道单向传输到对应的接收端。常用的三个模块 simulink、通信模块、信号处理模块。包括课程设计报告。-Using matlab simulink produce two analog voice signals through the pcm encoding, time division multiplexing, DPSK modulation over the same one-wa
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关于4DPSK调制中的差分编码,以及4dpsk的解码-4DPSK differential modulation encoding and decoding
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NFC MIFARE FELICA S50 S70 P2P ID卡 动物标签 18092 14443 技术详细介绍
(1)——概念、分类
(2)——国际标准
(3)——能量、调制
(4)——数据编码
(5)——防冲突
(6)——通讯协议概述
(7)——ID卡
(8)——动物标签
(9)——动物标签HDX
(10)——识别号的格式变化
(11)——Mifare系列卡的共性
(12)——三次相互认证
(13)——Mifare S50与Mifare
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This code basically computes the BER of an OFDM system. The ifft size is 64. 16QAM is the modulation Technique and convolution encoding rate 1/2 is used as the coding scheme.
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Modulation is the process of encoding information a
message source in a manner suitable for transmition.
The ultimate goal of a modulation technique is to transport the
message signal through a radio channel with the best pos
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基于OFDM的LTE下行链路:
包括main、预编码、分层映射、调制、ofdm-LTE downlink based on OFDM:
Including main, pre encoding, hierarchical mapping, modulation, OFDM
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Our system is a 4×4 MIMO Rayleigh channel with uncorrelated distributions. The modulation used is QPSK. We wish to simulate the performance of the system with the following configurations:
I. Uncoded system (𝑟 =4)
In this scheme transmitte
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该文简要说明了JTIDS 的工作方式 , 从JTIDS 系统的数据模型入手 , 完成了包括RS编码 、 交织编码 、 软扩频 、 MSK 调制 、 跳频 、 跳时在内的整个JTIDS 系统仿真-This paper briefly describes the working mode of JTIDS, starting the JTIDS system data model, including the completion of the entire JTIDS system simula
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