double sideband
英
美
双边带
双语例句
- Amplitude modulator is a committed step in the signal processing, it has determined to output working efficiency and quality of the launcher directly. Adoptable amplitude modulate scheme have double sideband amplitude modulator, single sideband amplitude modulator and quadrature amplitude modulator etc.
振幅调制是信号处理中的关键步骤，它直接决定了输出发射器的工作效率和质量，可采用的振幅调制方案有双边带振幅调制、单边带振幅调制以及正交振幅调制等。 - A.signal transmission system model compatible with single sideband ( SSB) system, double sideband ( DSB) system and vestigial sideband ( VSB) system is obtained in this paper.
本文研究单边带、双边带、残留边带信号传输系统的一个统一的数学模型，这种模型具有较为精练而明确的形式。 - After comparing with the performance of double sideband modulation and single sideband modulation, Single sideband modulation based on phasing was used for RF pulse modulation, which can cut down the peak power of RF pulse transmitter and achieve a precise phase.
在分析双边带和单边带调制的性能后，采用移相法实现RF脉冲的单边带幅度调制，并给出了具体的实现算法和仿真。 - An improved method on the structure of double sideband phase detection in optical fiber communication system with non return to zero data is described for real-time accumulated dispersion monitoring, the theory of this method is deduced and the numerical simulation is presented.
在双边带相位监测方法的基础上，对系统结构进行了改进，提出了一种用于非归零码光纤通信系统累积色散实时监测的新方法，并进行了详细的理论推导和仿真计算。 - This effect is especially serious for the double sideband receiver.
这一效应对双边带接收机尤为严重。 - The effect of double sideband on the performance of radio over fiber system is theoretically analyzed, and the requirements of single sideband filtering to reflective spectrum and reflectivity of narrow-band fiber Bragg grating are discussed.
分析了RoF系统中双边带调制对系统带来的影响，以及单边带滤波对窄带光纤光栅反射光谱和反射率的要求。 - This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively. It also gave some considerations designing the single side band receiver.
分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数，给出了单边带接收机的某些设计方案。 - However, chromatic dispersion ( CD) of the optical fiber would lead to spectrally periodical power fading because a conventional intensity or phase modulated APL employs double sideband ( DSB) modulation.
然而，由于传统的强度调制或相位调制的模拟光链路一般都采用双边带调制，所以光纤的色散效应将导致输出信号的功率发生周期性衰减。