水中磁性运动目标信号的模型化检测

使用均匀磁化旋转椭球体模型对水中磁性运动目标进行实时建模，通过对所建模型进行统计检验，实现对目标信号的模型化检测，并同时估计目标运动参数和磁性状态。采用模型化信号检测技术，在信号与背景噪声工作频带严重重叠的条件下，对目标检测信噪比可低至0 dB以下。采用模型化信号检测方法，对运动目标信号的检测可靠，虚警概率低，同时具有目标识别能力。

A Modeling Algorithm for Detection of Moving On-water Magnetic Objects

Using the detected signals of a three-axles magnetometer, a real-time EMRES (equable magnetization rotation elliptic-sphere) model can be established. A statistic test algorithm is developed to judge the signals to be from a moving on water magnetic object or not. The magnetic state of the object is also estimated. Experiments show that this technology can detect moving object reliably with low-false alarm probability even if the SNR is lower than zero (dB) and the frequency band of signal and background noise is heavily overlapped, and it also possesses target recognizing ability.