电磁频谱环境构建模式分级评估模型研究

This project is based on the original data obtained by the existing electromagnetic spectrum monitoring network, studies the technology of obtaining electromagnetic information and the technical support method to test the performance and efficiency of various frequency equipment. The main contents are as follows: three levels of evaluation index system of electromagnetic spectrum environment, such as the quantitative classification of the electromagnetic environment, the fidelity of the simulation environment, and the construction of the electromagnetic spectrum environment based on the monitoring data.The evaluation system is based on the complex electromagnetic spectrum environment and the types of the intrinsic interference sources, and use the frequency spectrum monitoring equipment to extract the position of interference source, signal duration, signal frequency and signal intensity,.which is used to describe the spatial characteristics, time domain features, frequency domain features and power domain features. According to the basic characteristics and application requirement of the electromagnetic spectrum information data, the corresponding electromagnetic environment construction level measurement and classification, proposed effective parameters of electromagnetic spectrum estimation, signal identification and classification of radiation source attribute judgment method. Finally, based on the complex electromagnetic environment and electromagnetic spectrum spectrum intelligence data quantitative classification results, the consistency of the complex application environment of electromagnetic spectrum evaluation of the use of the actual equipment and frequency of the electromagnetic environment, and building evaluation fidelity, dynamic adjustment of complex electromagnetic environment control building.

本项目立足于现有电磁频谱监测网系获取的原始数据，研究从中获取电磁频谱信息数据的技术以及对真实的电磁环境条件下检验各种用频设备的性能和使用效能的技术支撑方法。主要内容包括：电磁频谱环境量化分级、模拟环境构建逼真度、基于监测数据的电磁频谱环境构建等三项评估指标体系。评估体系首先基于复杂电磁频谱环境及频谱信息信号固有干扰源类型，利用频谱监测设备提取频谱信息信号中干扰源位置、信号时长、信号频率和信号强度等信息，用以描述信号的空域特征、时域特征、频域特征和功率域特征。再按电磁频谱信息数据的基本特性与应用需求，对相应电磁环境构建等级进行度量与分类处理，提出有效的电磁频谱参数估计、信号识别分类和辐射源属性判断等方法。最后基于复杂电磁频谱环境及电磁频谱信息数据数据量化分级结果，评判所构建的复杂电磁频谱应用环境与用频设备使用的实际电磁环境的一致性，并评估构建逼真度，动态调整控制所构建的复杂电磁环境。

本项目立足于现有电磁频谱监测网系监测数据，研究了从中获取电磁频谱信息数据的技术，以及对真实的电磁环境条件下检验各种用频设备的性能和使用效能的技术支撑方法。主要内容包括：电磁频谱环境量化分级、模拟环境构建逼真度、基于监测数据的电磁频谱环境构建等评估指标体系。项目组基于电磁频谱环境构设对用频设备效能影响作用的充分认识，梳理分析试验电磁环境的构成要素与特征规律，借鉴美国及北约等强国组织在电磁频谱环境体系建设中的经验，着眼我国国防安全长期建设规划，深入解决复杂电磁环境构设符合度分析与电磁频谱信息数据可信度处理过程中的部分瓶颈问题。目前完成了试验电磁频谱环境构设与用频装备试验评估函数模型研究方案，建立了适应用频设备试验复杂电磁频谱环境需求特点的评估指标体系和方法体系。此外拓展研究了试验电磁频谱环境背景下，提升典型用频设备配置规划和使用效能的技术方法。本项目研究成果，可为试验复杂电磁环境的科学客观评估及复杂电磁环境下用频设备试验运用结果评估，提供理论依据与技术支持。