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Basics of Dual-Polarized Antennas
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Table of Contents:
Definition and Overview
1. A Short History of Analog Modems
2. The Analog Modem Market
3. Digital Subscriber Line (DSL)
4. xDSL
5. The Modem Market
6. ATM versus IP to the Desktop
7. CAP versus DMT
8. The Future
Self-Test
Glossary
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Glossary

PQR
polarization quality ratio

XPD
cross-polar discrimination

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