共 5 条
[1]
FREQUENCY-DOMAIN INSTABILITY CRITERIA FOR TIME-VARYING AND NONLINEAR SYSTEMS
[J].
PROCEEDINGS OF THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS,
1967, 55 (05)
:604-+
[2]
BROCKETT RW, 1966, 4 P ANN ALL C CIRC S, P685
[3]
A FREQUENCY DOMAIN APPROACH TO PROBLEM OF EXISTENCE OF PERIODIC MOTION IN AUTONOMOUS NONLINEAR FEEDBACK SYSTEMS
[J].
ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK,
1969, 49 (03)
:167-+
[4]
Pliss V.A., 1966, NONLOCAL PROBLEMS TH
[5]
Zadeh L, 1963, LINEAR SYSTEM THEORY