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How to use matlab to implement the dynamic process of standing wave form?
Time：11-21
How to use matlab to implement the dynamic process of standing wave form?
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The clear Xm=2; Dx=0.01; X=0: dx: xm; U1=cos (2 * PI * x); U2=u1; % u2=u1 * 0.8; % u2=u1 * 1.2; U=u1 + u2. % VSWR Figure % create graphics window H=the plot (x, u, 'r', 'our LineWidth, 2); % standing wave handle % h=the plot (x, u, 'r', 'our LineWidth, 2,' erasemode ', 'xor); % standing wave handle The axis ([0, xm, 3, 3]) % curve rangeThe grid on the % and grid Fs=16; % font size Xlabel (' \ itx/\ lambda ', 'FontSize, fs) % x tagsYlabel (' \ itu/A ', 'FontSize, fs) % y tag The title (' the formation of standing wave ', 'FontSize, fs) % title % title (' synthetic right wave ', 'FontSize, fs) % title % title (' synthetic left traveling wave ', 'FontSize, fs) % title Hold on % in H1=plot (x, u1, 'our LineWidth, 2); H2=plot (x, u2, 'k', 'our LineWidth, 2); % h1=plot (x, u1, 'our LineWidth, 2,' erasemode ', 'xor); H2=plot (x, u2, 'k', 'our LineWidth, 2,' erasemode ', 'xor); % l wave handle Ht1=text (1, Max + 0.1 (u1), '\ rightarrow', 'FontSize, fs); % show the arrow to the right the Ht2=text (1, Max + 0.2 (u2), '\ leftarrow', 'FontSize, fs); % show the arrow to the right the Pause While 1 % while get (GCF, 'CurrentCharacter') ~=char (27) % does not press the ESC key circulation U1=[u1 (end - 1), u1 (1: end - 1)]; U2=[u2 (2: end), u2 (2)]; U=u1 + u2. % composite wave Set (h1, 'YData, u1) Set (h2, 'YData, u2) Set (h, 'YData, u) Um, I]=Max (u1); Set (ht1, 'Position,] [x (I), um + 0.1) % set the Position of the right arrow Um, I]=Max (u2); Set (ht2, 'Position,] [x (I), um + 0.2) % sets the Position of the left arrow Drawnow Pause (0.1) If the get (GCF, 'CurrentCharacter')==char (27) break; Pressing ESC exit the program end % end
