您要查找的是不是:
- FM信号源FM signal source
- FM信号源调制相移特性和调制延迟的测量评价Both the Modulation Phase Shift and the Modulation Delay Evaluation of FM Generators
- 大容量FDM-FM信号干扰数字卫星系统的计算机模拟Computer Simulation Study of Digital Satellite Communication System with Large Capacity FDM-FM Signal Interference
- 信号signal
- 信号源supply oscillator
- 美国John等人研究表明,FM广播信号具有较短的自相关时间,FM信号当大于1ms的相关时间时近似于理想的白噪声源。As to the important problem that how to choose opportunity transmitter, John (America)'s study indicates that FM broadcast signal's correlation time is shorter than that of other opportunity signals and that signals are approximately white noise, when the time lag is longer than 1ms.
- 本地信号源local source
- 根据实际PCM/FM信号的非平稳特性,提出了基于离散短时傅里叶变换(DSTFT),通过比较频点能量进行PCM/FM信号软件化解调的实现方法。The method for PCM/FM signal demodulation based on DSTFT was proposed according to the instability of factual PCM/FM signal.
- 标准信号源standard source
- 分析了DDS技术的工作原理及结构,最后还提出了一种应用DDS芯片AD9850和DSP芯片TMS320VC5402组成的正弦波信号、AM和FM信号发生器。Not only structure and rule of DDS technology,but also basic princi- ple and performance of AD9850 are discussed. Finally,not only sine wave signal generator but also AM and FM signal generator com- posed of DDS chip AD9850 and DSP chip TMS320VC5402 are designed.
- DDS信号源DDS signal source
- 信号源数source number
- 短信号源short signal source
- ESG信号源ESG signal source
- 多信号源Multiple sources
- 脉冲信号源pulse signal source
- 宽带信号源Wide - band signal
- 信号源阻抗genertor impedance
- 阵列信号源array signal source
- 混沌信号源chaotic oscillator