The Dual-Use and Related Goods (Export Control) Regulations 1995

DEFINITIONS OF TERMS IN THIS ANNEX

154.  “Spectral efficiency” (5) is a figure of merit parametrized to characterize the efficiency of transmission system which uses complex modulation schemes such as QAM (quadrature amplitude modulation), Trellis coding, QPSK (Q-phased shift key), etc. It is defined as follows:

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