| 数字视频信号测量与基带传输的研究 |
| |
| 引用本文： | 秦旭,胡早林.数字视频信号测量与基带传输的研究[J].国外电子测量技术,2017,36(3):78-81. |
| |
| 作者姓名： | 秦旭 胡早林 |
| |
| 作者单位： | 桂林广播电视发射台 桂林 541002,桂林广播电视发射台 桂林 541002 |
| |
| 摘 要： | 针对数字视频信号与基带传输测量专业设备昂贵的问题，提出了使用标准示波器、频谱分析仪和矢量网络分析对数字视频信号在时域的眼图和频域的频谱进行分析及测量方法，给出了具体仪器进行实际的测试结果和分析图形。具体对数字基带信号在同轴电缆传输的设计冗余量处理进行了研究分析，根据具体的同轴电缆均衡芯片指标计算出比电缆厂家提供数据更长的同轴电缆传输距离，实际测试数据验证了用均衡芯片指标计算的同轴电缆传输长度更准确。
|
| 关 键 词： | 数字视频信号 同轴电缆 眼图 频谱 均衡器 |
Research for measurement and analysis of digital TV |
| |
| Qin Xu and Hu Zaolin.Research for measurement and analysis of digital TV[J].Foreign Electronic Measurement Technology,2017,36(3):78-81. |
| |
| Authors: | Qin Xu and Hu Zaolin |
| |
| Affiliation: | GuiLin Broadcast & TV Transimission Station, Guilin 541002,China and GuiLin Broadcast & TV Transimission Station, Guilin 541002,China |
| |
| Abstract: | According to the digital video signal measurement and transmission analysis of professional equipment expensive problem, proposed the use of a standard oscilloscope, spectrum analyzer and vector network analysis and measurement of spectral signal in time domain and frequency domain of the eye, the results are given. In this paper, the residual processing of digital signal in coaxial cable transmission is studied. |
| |
| Keywords: | digital TV coaxial cable eye diagram spectrum analysi equalizer |
|
| 点击此处可从《国外电子测量技术》浏览原始摘要信息 |
|
点击此处可从《国外电子测量技术》下载全文 |
