频谱的特性可用频率、波长或能量三个基本参数中的任何一个来表示。
Specific regions of the spectrum can be identified by any one of three basic parameters: frequency, wavelength, or energy.
为探讨三阶色散对脉冲传播的意义，用数值模拟的方法讨论了在色散缓变光纤中零色散波长附近三阶色散对脉冲频谱演变的影响。
Propagation of spectra affected by third-order dispersion in dispersion-decreasing fiber near zero dispersion wavelengths was studied by means of numerical simulation.
在保证频谱分辨率不变的情况下，通过减少参与FFT运算的点数来缩短运算时间，提高激光波长测量装置的反应速度。
Under the condition of unchanging the spectrum resolution, the latency of the laser wavelength measurement system is improved by reducing the samples of FFT operation.
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