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Measuring the best linear approximation of systems suffering nonlinear distortions: an alternative method

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2 Author(s)
M. Solomou ; Sch. of Electron., Univ. of Glamorgan, Wales, UK ; D. Rees

When measuring the best linear approximation of systems suffering nonlinear distortions, a specific class of periodic multiharmonic signals is normally used. These are signals with uniformly distributed random phases, termed random phase multisines. In this paper, it is shown that measurements of the best linear approximation of nonlinear systems can also be obtained by using a special type of low crest factor multisines. These signals are compared to random phase multisines and their properties are analyzed in detail.

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:52 ,  Issue: 4 )