Research on eccentric correction of dual lateral logging tool in highly deviated wells Function test and calibration self-heterodyne curve for direction finder on sea trial. 航行试验中测向仪效用试验及自差曲线校正。
The Scheme Design and Accuracy Analysis of Coherent Self-Heterodyne Brillouin Fiber Sensing System with Electrical Scanning 相干自外差电域扫描布里渊光纤传感系统方案设计及测量精度分析
Linewidth Determination from Self-Heterodyne Measurements of Diode-Laser Pumped 1064 nm Nd: YVO_4 Laser 利用自差法研究激光二极管泵浦Nd:YVO4激光器的线宽
Modulation properties of a self-heterodyne type electrical feedback semiconductor laser 自差型电反馈半导体激光器的调制特性
A Self-Heterodyne/ Coherent Fiber System and PIN-FET Mixing Frequency Measurement 一种自外差-相干光纤系统与PIN-FET混频检测
Quantum AM and FM Noise Spectra for Semiconductor Lasers with Self-Heterodyne Type Opto-Electrical Feedback 自差型光电反馈半导体激光器的量子AM和FM噪声谱
An All Fiber Self-Heterodyne Speetrum Measurement System with Two-Windows and High Resolution 全光纤双窗口高分辨率延时自外差测谱系统
Realization of single mode narrow linewidth Er3+-doped fiber laser and the theoretical analysis of delayed self-heterodyne/ homodyne methods. 单频窄线宽掺铒光纤激光器的实现方案及延迟自外差法/零差法测量线宽的理论分析。
The linewidth of a DFB semiconductor laser has been measured by the delayed self-heterodyne method. 2. 采用延迟自外差方法测量了一只DFB半导体激光器的线宽。
The echo signal and system noise in the 8 millimeter band detector, which works in self-heterodyne mode, are analyzed in this paper, and a signal processing circuit is simulated and designed, and FFT de-noising algorithm is adopted. 本论文分析了自差式8毫米波段探测器的回波信号和系统噪声特征,仿真并设计了信号处理电路,采用快速傅立叶变换(FFT)算法进行去噪。
The linewidth of laser is less than 10 kHz, measured by the delayed self-heterodyne method with 10 km monomode fiber. 采用10km单模光纤延迟线进行了延迟自外差线宽测量,得到光纤激光器的3dB线宽小于10kHz。
The frequency instability linear growth rate of 270Hz/ μ s was measured with fiber delayed self-heterodyne method. 采用光纤延时自拍频方法测得单纵模激光输出的短期频率不稳定度随时间线性增长,线性增长率为270Hz/μs。