研究了用滤波器产生变换限制脉冲的方法，导出了获得变换限制脉冲所需的滤波器优化带宽。
The method of generating transform limited pulse using filter is analyzed, and the optimal bandwidth of the filter required to get transform limited pulse for given optical source is obtained.
结果表明，滤波器带宽对光脉冲的脉宽及质量有着重要影响。
Test results demonstrate that the pulse width is significantly influenced by the OBPF bandwidth.
并将生成信号经低通滤波器处理，从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。
After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.
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