Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2008/09/01 Vol. E91-ANo. 9 ;
pp. 2442-2449 Type of Manuscript: Special Section PAPER (Special Section on Nonlinear Theory and its Applications) Category: Analysis, Modelng and Simulation Keyword: harmonic balance method, error bound, Grobner base, algebraic representation, quadratic approximation, singular point,