面向磁异常感知的量子信息处理关键技术研究

Quantum information perception is the research field aims to the high sensitivity information perceptual which utilized the quantum characters of the microscopic particle. The perception of the abnormal information of magnetic field is wildly used in the fields of energy, geology, rescue, navigation and reconnaissance which can detect the abnormal feature of the magnetic field with high precision and sensitivity by utilized the high sensitive quantum magnetometer as the sensor, combined with the information processing technologies. This project aims to the key techniques of the magnetic abnormal feature perception utilizing high sensitivity quantum magnetometer. Firstly, to establish the general model of the abnormal information detection of magnetic field which indicates the physical processing of the magnetic abnormity detection, the signal feature of the target and the factors of the errors. Secondly, to establish the novel magnetic compensation model with consider of the influence of the onboard equipment and propose the magnetic compensation scheme and algorithms with high precision of measurement. Thirdly, to investigate the external magnetic interference factors and their monitoring methods, to proposed the corresponding compensation methods aims to the gradient and the daily variation of the earth magnetic field, etc. Fourthly, to establish the model of the magnetic abnormal targets and build the feature library of their magnetic abnormal signal, and propose the signal detection method and the information perception method under the low signal-noise rate condition. Finally, to achieve the long distance and high precision perception of the magnetic abnormal feature and situation which would support the applications in fields of the energy, military, health and etc.

量子信息感知是利用微观粒子的量子特性，以实现高灵敏度的信息感知为目标的科学技术研究。量子磁异常信息感知是高灵敏度量子磁力仪为核心传感器部件，结合信息处理技术实现对磁异常的高精度、高灵敏度感知，进而反映感知对象难以察觉的弱隐信息，广泛应用于能源、地质、救援、导航和军事侦察等领域。本课题拟针对基于高灵敏度量子磁力仪的磁异常信息感知关键技术展开研究，建立磁异常感知通用模型，对磁异常感知的物理过程、目标信号特征及误差因素进行分析；建立包含机载设备因素的载具平台干扰磁场模型，提出高精度测量条件下的平台磁干扰补偿算法和方案；研究外源性因素干扰磁场及其监测方法，提出针对地磁梯度、日变等因素的干扰补偿方法；研究磁异常感知目标模型，建立典型磁异常信号特征库，提出低信噪比条件下的磁异常信号检测方法和信息感知方法，实现远距离、高精度的磁异常态势感知，为基于磁异常的能源、军事、医疗等领域的磁法应用提供支撑。