C++Qt5.14.2版本不用UI形式完整代码绘制出频率响应曲线图和幅度响应曲线图

好的，您需要用C++和Qt5.14.2版本编写代码来绘制频率响应曲线图和幅度响应曲线图。下面是一个示例代码，它使用了Qt Charts模块来绘制曲线图：

#include <QApplication>
#include <QtCharts>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    // Create a chart
    QChart *chart = new QChart();

    // Set the title
    chart->setTitle("Frequency Response");

    // Create X-axis
    QValueAxis *axisX = new QValueAxis;
    axisX->setTitleText("Frequency (Hz)");

    // Create Y-axis
    QValueAxis *axisY = new QValueAxis;
    axisY->setTitleText("Amplitude");

    // Add the axes to the chart
    chart->addAxis(axisX, Qt::AlignBottom);
    chart->addAxis(axisY, Qt::AlignLeft);

    // Create a series for the frequency response curve
    QLineSeries *freqSeries = new QLineSeries();

    // Add data to the series
    freqSeries->append(0, 0);
    freqSeries->append(1000, 0.5);
    freqSeries->append(2000, 1);
    freqSeries->append(3000, 0.8);
    freqSeries->append(4000, 0.6);
    freqSeries->append(5000, 0.4);

    // Add the series to the chart
    chart->addSeries(freqSeries);

    // Attach the series to the axes
    chart->setAxisX(axisX, freqSeries);
    chart->setAxisY(axisY, freqSeries);

    // Create a view and set the chart as its model
    QChartView *chartView = new QChartView(chart);
    chartView->setRenderHint(QPainter::Antialiasing);

    // Show the chart view
    chartView->show();

    return a.exec();
}

这段代码创建了一个简单的频率响应曲线图，您可以根据自己的需要修改数据来绘制不同的曲线。要绘制幅度响应曲线图，只需要在代码中添加一个新的QLineSeries并设置相应的数据即可。