The initial pointing unit of the line of sight (LOS) operating in the open-loop mode is an
important part of the space laser communication system, which directly determines the size …

摘要液晶相控阵技术通过对光束波前进行控制, 实现一定视场范围内高精度,
任意角度的光束偏转. 研究了基于多孔干涉原理和随机并行梯度下降算法实现光束偏转的方法 …

Environment conditions like humidity, temperature and gas concentrations are checked to
safeguard the people in mines. The equipment comprised of hardware like a microcontroller …

为了解决自由空间光通信对APT 系统的高精度高带宽要求, 设计研制了一种精跟踪系统.
该系统以高帧频CMOS 相机为探测机构, 以音圈电机驱动的FSM (Fast Steering Mirror) …

以湖面信标光为真实移动跟踪目标, 设计了二维粗跟踪演示系统, 验证空间光通信捕获,
跟踪和对准(ATP) 系统对机动目标的跟踪性能. 采用双DSP 和两轴精密转台搭建了粗跟踪的硬件 …

Robust and accurate pointing and tracking are primary needs for establishing an optical
communication link between mobile platforms because of a small laser beam divergence …

Magnetohydrodynamics angular vibration sensor (MHD AVS) has been widely used in
stabilization servo subsystem to measure angular motions with extremely low noise in …

针对空间光通信精跟踪系统存在非线性, 时延滞后的特性而难于建立精确的数学模型,
设计了基于前馈补偿的模糊比例, 积分和微分(PID) 控制系统. 采用camera-link …

Free-space laser communication technology has several advantages comparing with radio
communications for various applications on Earth and in space. An optical transmission line …

" Metal derusting by means of laser irradiation has attracted considerable attention in recent
years. This is a non-invasive and rapid cleaning process that is superior to conventional …