In resonator fiber optic gyroscopes by digital modulation, imperfect serrodyne ′ s reset amplitude V_ 2 π has influence on the rotation sensing errors and the scale factor non-linearity. 在数字调制的谐振式光纤陀螺中,其阶梯波的复位高度V2π是否精确,会对旋转角速度的测量和标度因数的线性度产生影响。
Resonator fiber optical gyro uses ring resonator to enhance the Sagnac effect, its imperfect serrodyne's reset amplitude will produce effects to the rotation sensing of optic gyroscopes. 谐振式光纤陀螺是采用环形谐振腔来增强Sagnac效应的,其数字调制信号的复位高度V2π的不精确,会对陀螺旋转角速度的测量产生影响。
Aimed at PCM/ FM reentry remote sensing systems existed in multipath-Induced, the characteristic of amplitude, phase, group delay of the two-path model is analyzed based on presenting some typical theoretical models of reentry remote sensing transmission channel. 针对存在多径衰落的PCM/FM再入遥测系统,分析了双径模型的幅频、相频、群延迟等特性及幅度失真、延迟失真、信道衰减因子、码速率等对接收机带来的影响。
Tilt amplitude and frequency of scanning mirror is one of the important qualifications of performance testing on earth surface for the swing scanning mode infrared earth sensing device. 扫描镜摆幅和频率是摆动扫描式红外地球敏感器地面性能测试的重要技术指标,本文针对摆动扫描式红外地球敏感器扫描轴系的动静态性能的测试技术进行了深入研究。
Second, I have investigated the relationship between the sensitivity of the system and parameters of external disturbances ( such as frequency, amplitude), fiber length of the delay system, and sensing fiber length of the system, respectively. 其次分析了非平衡MZI-Sagnac型光纤传感器灵敏度与外界扰动参数(如频率、幅度)和系统中延时纤长度、传感纤长度之间的关系。