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- Laser Phase Noise Influence on the Performance of High Speed IM/DD Optical Fiber Communication Systems 激光器相位噪声对高速IM/DD光纤通信系统特性影响的研究
- laser phase noise 激光相位噪声
- The phase noise of PLL is?88.83 dBc/Hz at 10kHz offset. 37GHz的单片锁相环电路的锁定范围为32MHz;锁定时在偏离中心频率10kHz处的相位噪声为-88.;83dBc/Hz。
- Design and phase noise analysis of a MEMS varactor is presented. 给出了一种MEMS压控电容的设计和相位噪声分析结果。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- Laser phase Doppler anemometry (PDA)technology can be used to measure moving particle's velocity,size and relative refractive index simultaneously. 激光相位多普勒(PDA)能够同时测量粒子的速度、大小和相对折射率。
- In the process of laser phase transform hardening or laser surface melting, light absorbing coatings shows importance for improving laser absorbancy. 在激光相变硬化或熔凝处理中，吸光涂料在提高光能利用率方面起到了重要作用。
- A fully integrated low phase noise LC voltage controlled oscillator(VCO) is presented. 介绍了一种全集成的LC压控振荡器(VCO)的设计。
- The properties of phase noise of Gunn oscillators are determined by the characters ofthe noise of Gunn diodes. 体效应振荡器相位噪声主要取决于体效应管的噪声。
- LC oscillators have better phase noise, but the lowest noise is obtained with the use of a quartz crystal oscillator. LC谐振器利用石英晶体振荡器产生基准源，因此抖动较小。
- DRO(dielectric resonator oscillator) has the characteristics of high frequency stability and low phase noise. 介质振荡器具有频率稳定性好,相位噪声低的特性。
- The measured phase noise is-117dBc/Hz at 4MHz off the center frequency of 4.189GHz. 其在4.;189GHz频点上4MHz频偏处所测得的相位噪声为-117dBc/Hz
- The measured phase noise of the CMU is -90.9 dBc/Hz at 10 kHz offset, and the root-mean-squared jitter is 10 ps. 时钟倍频单元输出的2.;5 GHz时钟相位噪声在10kHz频偏处为-90
- The measurement of the test chip shows that the VCO in the CRC has a wide tuning range and a low phase noise. 并已完成对10GHz压控振荡器的在芯片测试,结果表明该电路具有较低相位噪声和较大调频范围的特点。
- Secondly, the phase noise and spurs of PLL are analyzed and the formulae for calculating them are given. 接着对PLL的相位噪声和杂散进行分析，得出估算相位噪声和杂散性能的公式。
- The cold two-phase flow predictions are compared with the PDA(3-Dimensional Laser Phase Dopper Analyzer) measurements. General agreement is made between the calculated results and test data. 采用三维激光相位多普勒分析仪(PDA)对冷态模型内气固两相流场进行了测量,实验结果与冷态两相流动的模拟结果基本一致。
- For this reason,the paper is mainly focus on the theory and technology of low phase noise PLL design. 本文就基于此对锁相环低相位噪声理论和设计进行研究和分析。
- The cold two-phase flow predictions are compared with the PDA (3-Dimensional Laser Phase Dopper Analyzer) measurements.General agreement is made between the calculated results and test data. 采用三维激光相位多普勒分析仪(PDA)对冷态模型内气固两相流场进行了测量，实验结果与冷态两相流动的模拟结果基本一致。
- A design method of VCO with low phase noise time based center circuit is proposed. 提出了一种低相位噪声时基核心电路的压控振荡器的设计方法。
- The laser phase transformation-hardened experiment on specimen of high-Ni-Cr cast iron has been performed, and the microstructure, the microhardness and the abrasion characteristic are analyzed. 对高镍铬铸铁轧辊材料进行激光相变强化试验，观察了其微观显微组织，并进行了硬度测试和耐磨性分析。
