1) CO_2 differential absorption lidar
CO2差分吸收激光雷达
1.
For long-range direct detection CO_2 differential absorption lidar (DIAL),the detection performance is researched.
针对长程直接探测CO2差分吸收激光雷达,研究了系统的探测性能。
2) differential absorption laser radar
差分吸收激光雷达
1.
Differential optical absorption spectroscopy (DOAS) and differential absorption laser radar (DIAL) can be widely used to monitor these molecules.
差分吸收光学光谱技术和差分吸收激光雷达可用于监测它们 。
3) DIAL
[英]['daɪəl] [美]['daɪəl]
差分吸收激光雷达
1.
Study on UV laser generated by SRS of CH_4 for NO_2 DIAL measurements;
CH_4受激拉曼散射产生紫外激光用于NO_2差分吸收激光雷达的研究(英文)
2.
Study on UV Laser Generated by SRS of D_2 for O_3 DIAL Measurements;
D_2受激拉曼散射产生的紫外激光用于O_3差分吸收激光雷达的研究
3.
The principle of detecting thickness of CO2 in low space by DIAL is expatiated.
阐述了差分吸收激光雷达探测低空CO2浓度的原理,分析了系统的信噪比,对一种DS系列的OPO激光器用于探测低空CO2进行了仿真。
4) differential absorption lidar
差分吸收激光雷达
1.
In order to reduce the error of range differential absorption lidar for detecting atmospheric CO_2, theory of detection accuracy is analyzed and the error of differential absorption detection system is simulated.
为减小距离差分吸收激光雷达探测大气CO_2浓度的探测误差,理论分析了探测精度,对差分吸收探测系统误差进行了数值分析,对基于1。
2.
As differential absorption lidar(DIAL) systems are affected by various noise factors,the measured concentration is corrupted by noise,and can not be detected.
针对差分吸收激光雷达系统,研究了对原始测量信号和气体浓度模型采用多尺度分解与卡尔曼滤波相结合的方法,实现了在强噪声的情况下对气体浓度进行探测。
3.
The return signal statistical model of differential absorption lidar (DIAL) is the basis of studying differential absorption lidar.
差分吸收激光雷达回波信号统计模型是研究差分吸收激光雷达系统的基础,但是现有的统计模型中均没有考虑大气湍流导致的激光闪烁对回波信号的影响。
5) differential absorption lidar(DIAL)
差分吸收激光雷达
1.
In order to study the efficiency of detecting thickness of CO2 in low space by differential absorption lidar(DIAL),the detection principle and the SNR(signal to noise ratio) of the system were analyzed.
为了研究差分吸收激光雷达低空CO2浓度探测效率,分析了探测系统的原理与信噪比,采用近红外微脉冲激光雷达进行了仿真实验,当激光脉冲能量为20μJ、重复频率为10kHz时,推算出信噪比、所需积累时间与探测距离的关系。
6) differential laser absorption radar technology
差示吸收激光雷达技术
补充资料：激光雷达
| 激光雷达 laser radar 用激光器作为辐射源的雷达。激光雷达是激光技术与雷达技术相结合的产物 。由发射机 、天线 、接收机 、跟踪架及信息处理等部分组成。发射机是各种形式的激光器，如二氧化碳激光器、掺钕钇铝石榴石激光器、半导体激光器及波长可调谐的固体激光器等；天线是光学望远镜；接收机采用各种形式的光电探测器，如光电倍增管、半导体光电二极管、雪崩光电二极管、红外和可见光多元探测器件等。激光雷达采用脉冲或连续波2种工作方式，探测方法分直接探测与外差探测。 激光雷达在军事上可用于对各种飞行目标轨迹的测量 。如对导弹和火箭初始段的跟踪与测量，对飞机和巡航导弹的低仰角跟踪测量，对卫星的精密定轨等。激光雷达与红外、电视等光电设备相结合，组成地面、舰载和机载的火力控制系统，对目标进行搜索、识别、跟踪和测量。由于激光雷达可以获取目标的三维图像及速度信息，有利于识别隐身目标。激光雷达可以对大气进行监测，遥测大气中的污染和毒剂，还可测量大气的温度、湿度、风速、能见度及云层高度。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条