| 数字信号的远程基带传输系统设计 |
| |
| 引用本文： | 武志凯,刘宾.数字信号的远程基带传输系统设计[J].国外电子测量技术,2021,40(2):129-133. |
| |
| 作者姓名： | 武志凯 刘宾 |
| |
| 作者单位： | 中北大学信息与通信工程学院 太原030051 |
| |
| 摘 要： | 针对石油测井行业中井下视频信号传输受到线缆自身特性、传输距离和外界环境等因素的影响,导致图像数据传输速率慢,传输质量差的问题.采用增强信号强度、优化信号传输方式和编码方式来降低传输距离对数字信号传输速度的影响;信源编码和差分传输技术可以有效降低线缆自身特性和环境因素对数字信号传输质量的影响,提升信号的信噪比,从而实现数...
|
| 关 键 词： | 远距离传输 信号调理 信源编码 |
Design of remote baseband transmission system of digital signal |
| |
| Wu Zhikai,Liu Bin.Design of remote baseband transmission system of digital signal[J].Foreign Electronic Measurement Technology,2021,40(2):129-133. |
| |
| Authors: | Wu Zhikai Liu Bin |
| |
| Affiliation: | (School of Information and Communications Engineering,North University of China,Taiyuan 030051,China) |
| |
| Abstract: | The transmission of downhole video signals in the oil logging industry is affected by the characteristics of cables,transmission distance and external environment,which leads to the slow transmission rate and poor transmission quality of image data.The influence of transmission distance on digital signal transmission speed is reduced by enhancing signal strength,optimizing signal transmission mode and coding mode.The technology of source coding and differential transmission can effectively reduce the influence of cable characteristics and environmental factors on the quality of digital signal transmission,improve the signal-to-noise ratio of the signal,and thus realize the long-distance and high-speed transmission of digital signal.The actual test shows that the PSNR value of the image recovered by the decoding module is 32.0574 and the SSIM value is 0.8988 under the transmission bit rate of 600 KB/s,which meets the design requirements of this system and has high practical value. |
| |
| Keywords: | teletransmission singal conditioning source code |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
