Output Radio Frequency Spectrum 无线电频谱输出
For the effective suppression of DDS spur, the paper has discussed three main origins of DDS spur and analyzed influence of the spur to the DDS output frequency spectrum.
为了能有效的抑制DDS的杂散，讨论了DDS杂散的三个主要来源并分析了部分杂散对DDS输出频谱的影响。
The relations between spectrum densities of system output responses and frequency were obtained by assuming input functions to be ergodic and stable stochastic processes.
假设输入函数为各态历经的平稳随机过程，得出各输出响应的谱密度与频率的关系。
We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
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