Fourthly , a wideband and low noise ladar receiver is manufactured 研制了一种宽带低噪声激光雷达接收机。
Firstly , the related theory of ladar is discussed in general 论文首先对激光雷达的相关理论进行了系统的总结和研究。
Microscopy and coherence tomography systems , lidar and ladar , fiber - optic sensors 19 18显微技术与同调断层摄影系统,光雷达与雷射光雷达,光纤检测器。
Secondly , the imaging mode and ranging methods of the imaging ladar are analyzed in detail , and the proposed research project of high - speed 3d - imaging ladar is explained 在详细研究成像激光雷达的测距体制和成像方式的基础上,提出了一种高速三维成像激光雷达的研究方案。
Thirdly , a ladar transmitter with high repetition rate which uses pulsed laser diode is manufactured . the power characteristics , spectrum characteristics and temperature characteristics of the laser diode are discussed 研制了一种重复频率高的脉冲半导体激光器激光雷达发射机,讨论了半导体激光器的功率特性、光谱特性和温度特性。
Based on the lambert law of cosines , a form of ladar equation , which is easy to apply , is deduced . an effective method of calculating the maximum detectable distance is proposed based on the theory of signal detects statistics 根据朗伯余弦定律推导出激光雷达方程的一种便于使用的形式,根据统计信号检测理论提出了一种计算作用距离的有效方法。
A real - time imaging tracking system overcomes the shortcomings of the ladar system which needs high cost , is easily disturbed by electromagnetic wave and ca n ' t be visualized . compared with the infrared , it is superior in the aspect of tracking cold - target 实时成像跟踪系统克服了雷达成像系统费用昂贵,容易受外界电磁波的干扰,并且难于达到可视化的缺点,在跟踪冷目标方面又较红外优越。
The fusion of stereo vision and laser - radar ( ladar ) is also studied preliminarily in the background of alv navigation . by introducing the ladar data into the height prediction before matching , the fusion can occur on data layer . we have also found and practiced a feature layer fusion method based on dempster - shafer evidential reasoning approach 将激光雷达的测量结果引入立体匹配前的高度预测中,提出了立体视觉与激光雷达在数据层上的信息融合方法;基于d - s证据理论,提出了立体视觉与激光雷达在特征层上的信息融合方法。
The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically . the ladar prototype has many advantages , such as high imaging speed , high image resolution , high ranging precision and high quality intensity image , which can be obtained simultaneously 实验结果表明,所研制的成像激光雷达的主要性能指标与理论设计基本一致,具有成像速率高、图像分辨率高、测距精度高以及可同时获得高精度强度图像等优点。
The related theory and critical technology of ladar , the imaging mode and ranging methods of imaging ladar have been discussed in detail in this dissertation . then a research project of high - speed 3d - imaging ladar using a laser diode has been proposed , and the primary and critical problems of the theory and technology of the project have been discussed . a ladar prototype has been manufactured successfully , with which lots of systematic experiments have been carried out 论文系统研究了激光雷达的相关理论和关键技术,详细讨论了成像激光雷达的测距体制和成像方式,在此基础上提出了一种采用半导体激光器的高速三维成像激光雷达研究方案,全面分析了该方案的主要理论问题和关键技术问题,并成功研制出了实验室样机,利用样机进行了大量的系统实验。