laser echo meaning in English
激光回波
Examples
- The primary advantages of dp are its sensitivity to weak targets along with its robustness to laser echo glitter
采用动态规划方法克服了低信噪比下激光回波闪烁对目标检测的影响。 - The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly . 4
从对目标坐标测定仪中激光回波率的分析入手，阐明了应用图像取差原理极大地提高了测距系统的回波率的原因。 - To solve the weak target detection under the clutter background , combined with dynamic chaotic model , the chaotic property of the laser echo signal is discussed and a novel algorithm is presented based on chaotic signal detection using neural network predictor
摘要为了解决杂波背景下的激光微弱目标检测的问题，结合混沌动态建模思想，讨论了激光回波的混沌特性，提出激光信号非线性混沌序列的神经网络建模、预测及信号检测算法。 - Abstract : the threshold algorithm of the target detection is often used to detect target echo signals . its performance is based on signals - noise ratio . when signals - noise ratio is great than 6 . 7 , the target can be detected . in order to increase the signals - noise ratio , matching filter is often used . if the system is narrow band system , the noise is color noise and matching filter cannot be used . therefore , the signals - noise ratio cannot be increased . however , the geometrical characteristic of the laser echo signal is different with the noise . this paper advises the algorithm that detects the target by the geometrical characteristic . when signals - noise ratio is great than 2 , this algorithm can detect target . this algorithm has been used in practice
文摘:目标检测的阈值法经常用于检测目标的回波信号.它的性能取决于信噪比,当信噪比大于6 . 7时,能够检测出目标.为了提高信噪比,经常采用匹配滤波器.如果系统是窄带系统,噪声为色噪声,无法使用匹配滤波器,不能提高信噪比.激光回波信号的几何特征不同于噪声.提出了一种利用这种几何特征检测目标的算法.当信噪比大于2时,该算法能够检测出目标.该算法已经实际应用