Digital frequency conversion technique in HDTV

被引：0

作者：

Ai, B ^{[1
]}

Ge, JH ^{[1
]}

Wang, Y ^{[1
]}

Liu, G ^{[1
]}

Liu, P ^{[1
]}

机构：

[1] Xidian Univ, Natl Key Lab Integrated Serv Networks, Xian 710071, Shaanxi, Peoples R China

来源：

PROCEEDINGS OF 2003 INTERNATIONAL CONFERENCE ON NEURAL NETWORKS & SIGNAL PROCESSING, PROCEEDINGS, VOLS 1 AND 2 | 2003年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper makes a research on the fundamental principle of digital modulation and frequency conversion in broad band digital broadcasting terrestrial TV ( BDB-T) system. Different from conventional down-conversion technique, this paper proposes a new digital down-conversion model utilizing Hilbert transform and a method eliminating the A/D DC offset in this model is also proposed. The correspondent FPGA hardware though testing process in HDTV prototype proves the efficiency and good performance of the model and the new method.

引用

页码：1246 / 1249

页数：4

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