www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/LockedStatusOfALowpassFilterExample.m
%% Locked Status of a Lowpass Filter % Create a lowpass filter with default properties. Run |step| on the % object. % Verify if the object is locked or not. % Copyright 2015 The MathWorks, Inc. %% LPF = dsp.LowpassFilter; Lockstatus = isLocked(LPF) %% % Lock the filter object by running |step| on it. % Verify if the object is locked. y = step(LPF,randn(10,2)); Lockstatus = isLocked(LPF)