{"id":3490,"date":"2025-06-13T10:53:01","date_gmt":"2025-06-13T02:53:01","guid":{"rendered":"http:\/\/81.70.49.155\/?p=3490"},"modified":"2025-06-13T10:53:01","modified_gmt":"2025-06-13T02:53:01","slug":"%e8%84%89%e6%90%8f%e6%b3%a2%e7%9a%84%e6%95%b0%e5%ad%a6%e5%88%86%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/81.70.49.155\/?p=3490","title":{"rendered":"\u8109\u640f\u6ce2\u7684\u6570\u5b66\u5206\u89e3"},"content":{"rendered":"

\n\t $\"\"$ $\"\"$ \n<\/p>\n

\n\tclc
\nclear
\nclose
\n% \u5b9a\u4e49\u65f6\u95f4\u8f74
\nt = 0:0.01:2*pi;<\/p>\n

% \u524d\u5411\u538b\u529b\u6ce2
\na1 = 12; % \u632f\u5e45
\nmu1 = 1.0*pi\/3; % \u6c34\u5e73\u4f4d\u7f6e
\nsigma1 =0.35; % \u6ce2\u5bbd
\nforward_pressure_wave = a1 * exp(-(t - mu1-sigma1).^2 \/ (2 * sigma1^2));<\/p>\n

% \u53cd\u5c04\u6ce2\u5f62
\na2 = 5; % \u632f\u5e45
\nmu2 = 1.7*pi\/2; % \u6c34\u5e73\u4f4d\u7f6e
\nsigma2 = 0.5; % \u6ce2\u5bbd
\nreflection_wave = a2 * exp(-(t - mu2).^2 \/ (2 * sigma2^2));<\/p>\n

% \u91cd\u640f\u6ce2\u5f62
\na3 = 3; % \u632f\u5e45
\nmu3 = 5.5 * pi \/ 4; % \u6c34\u5e73\u4f4d\u7f6e
\nsigma3 = 0.55; % \u6ce2\u5bbd
\nrebounding_wave = a3 * exp(-(t - mu3).^2 \/ (2 * sigma3^2));<\/p>\n

% \u5408\u6210\u6861\u52a8\u8109\u8109\u640f\u6ce2\uff08\u7531\u524d\u4e09\u4e2a\u6ce2\u5f62\u5408\u6210\u7684\u7ed3\u679c\uff09
\ncombined_wave = forward_pressure_wave + reflection_wave + rebounding_wave;<\/p>\n

% \u753b\u56fe
\nfigure;
\nhold on;
\nplot(t, forward_pressure_wave, '--', 'LineWidth', 1.5);
\nplot(t, reflection_wave, '--', 'LineWidth', 1.5);
\nplot(t, rebounding_wave, '--', 'LineWidth', 1.5);
\nplot(t, combined_wave, 'k-', 'LineWidth', 2);
\nhold off;<\/p>\n

title('\u6ce2\u5f62\u5408\u6210\u6a21\u578b');
\nlegend('\u524d\u5411\u538b\u529b\u6ce2', '\u53cd\u5c04\u6ce2', '\u91cd\u640f\u6ce2', '\u6861\u52a8\u8109\u8109\u640f\u6ce2');
\nxlabel('\u65f6\u95f4');
\nylabel('\u5e45\u5ea6');
\ngrid on;<\/p>\n","protected":false},"excerpt":{"rendered":"