1) orthogonal multi-channel transmission
多路正交传输
2) BST-OFDM
频带分割传输正交频分多路复用
1.
Channel coding schemes of DVB-T and ISDB-T are compared in this paper. The unified transmission scheme concept of digital television terrestrial broadcasting system called NBST-OFDM(Non-uniform Band Segmented Transmission Orthogonal Frequency Division Multiplexing) is proposed. DVB-T and ISDB-T are the two special cases of NBST-OFDM scheme
比较DVB-T和ISDB-T的信道编码方案,提出一种统一的称之为非均匀频带分割传输正交频分多路复用(NBST-OFDM)的数字电视地面广播系统的传输方案,DVB-T和ISDB-T均可视为该方案的特例。
3) orthogonal transmission
正交传输
1.
This paper introduces how to realize orthogonal transmission by using the guard time to restrain intersymbol interference of multichannel environment and to avoid frequency error by using synchronization.
文中介绍在 OFDM中如何利用保护时间段来解决多径效应产生的码间干扰 ,以及利用时序同步来避免接收和发射之间的频率误差 ,实现可靠正交传
4) multiplexing
[英]['mʌltipleks] [美]['mʌltə,plɛks]
多路传输
1.
This paper introduces a data-reduction algorithm that can be applied to all data classes found in automotive multiplexing.
介绍了一种应用于汽车多路传输系统中所有关联数据库数据的简化算法。
5) NBST-OFDM
非均匀频带分割传输正交频分多路复用
1.
Channel coding schemes of DVB-T and ISDB-T are compared in this paper. The unified transmission scheme concept of digital television terrestrial broadcasting system called NBST-OFDM(Non-uniform Band Segmented Transmission Orthogonal Frequency Division Multiplexing) is proposed. DVB-T and ISDB-T are the two special cases of NBST-OFDM scheme
比较DVB-T和ISDB-T的信道编码方案,提出一种统一的称之为非均匀频带分割传输正交频分多路复用(NBST-OFDM)的数字电视地面广播系统的传输方案,DVB-T和ISDB-T均可视为该方案的特例。
6) multiple transport streams
多路传输流
1.
Software multiplexing scheme of multiple transport streams in digital video system;
数字电视系统中多路传输流的软件复用
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条