请输入您要查询的字词:
单词
digital television
释义
digital television
Encyclopedia
理学
数字电视
释
digital television;digital TV
数字电视
从制作到发射、传输、接收的所有环节都使用数字信号的电视系统。其将传统的模拟电视信号经过抽样、量化转换为数字信号,然后在数字信号的基础上进行各种处理、传输、存储和记录,也可以用电子计算机进行处理、存储和控制。采用数字技术不仅使各种电视设备获得比原有模拟设备更高的性能,而且还具有模拟技术不能实现的新功能,使电视技术步入崭新时代。
随便看
characteristic line element
characteristic manifold
characteristic map
characteristic mapping
characteristic mass
characteristic matrix
characteristic measure
characteristic method
characteristic methods of polymers
characteristic model-based intelligent adaptive control
characteristic multiplier
characteristic normal
characteristic number
characteristic number of a manifold
characteristic number of a matrix
characteristic number of an operator
characteristic numbers of distribution
characteristic of a differential equation
characteristic of a field
characteristic of a hypersurface
characteristic of a logarithm
characteristic of an integral equation
characteristic of a ring
characteristic operator
characteristic operator function
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/25 2:52:19