【简答题】write a program, using xcorr.m fuction to remove the noise, and plot 2、write a program, to get the amplitude and phase. s=4*sin(2*pi*50*t+pi/4)+rand(1,100); y=3*sin(2*pi*50*t), and show the result
【简答题】Grade Book A teacher has five students who have taken four tests. The teacher uses the following grading scale to assign a letter grade to a student, based on the average of his or her four test score...