利索-全球专利检索

  1. 登录
  2. 注册
发明授权
CN106500671B 一种基于LM算法分解激光雷达波形确定海水深度的方法 有权

一种基于LM算法分解激光雷达波形确定海水深度的方法
摘要：
本发明公开了一种基于LM算法分解激光雷达波形确定海水深度的方法，主要包括：在得到回波波形后，进行回波波形分解操作，即，首先对波形进行降噪和平滑处理；然后，根据回波波形设定初始波形参数；其次，通过LM算法拟合，在每次迭代调整参数，当迭代计算符合结束条件时，求得最优参数；最后，将回波波形分解为海面波形与海底波形，进而求解出海水深度。本发明方法利用LM算法可以得到最优参数，实现海面回波与海底回波的分解，大大减少算法复杂程度。在海面回波与海底回波十分接近的情况下，仍可以分解出海面波形和海底波形。
摘要（英）：

The invention discloses a method for determining seawater depth by decomposing a laser radar waveform based on an LM algorithm. The method mainly comprises the steps of conducting echo waveform decomposition operation after obtaining an echo waveform, that is, firstly, conducting noise reduction and smoothing processing on the waveform; then, setting initial wave parameters according to the echo waveform; next, adjusting the parameters during each time of iteration through LM algorithm fitting, and when iterative computation matches conditions and finishes, solving an optimal parameter; finally, decomposing the echo waveform into a sea surface waveform and a sea bottom waveform, and further solving the seawater depth. According to the method for determining the seawater depth by decomposing the laser radar waveform based on the LM algorithm, the optimal parameter can be obtained, decomposition of the sea surface waveform and the sea bottom waveform is achieved, and complexity of the algorithm is sharply reduced. On the condition that a sea surface echo is very close to a sea bottom echo, the sea surface waveform and the sea bottom waveform can still be decomposed.

公开/授权文献
0/0