Beyond-visual-range(BVR)air combat threat assessment has attracted wide attention as the support of situation awareness and autonomous decision-making.However,the traditional threat assessment method is flawed in its ...Beyond-visual-range(BVR)air combat threat assessment has attracted wide attention as the support of situation awareness and autonomous decision-making.However,the traditional threat assessment method is flawed in its failure to consider the intention and event of the target,resulting in inaccurate assessment results.In view of this,an integrated threat assessment method is proposed to address the existing problems,such as overly subjective determination of index weight and imbalance of situation.The process and characteristics of BVR air combat are analyzed to establish a threat assessment model in terms of target intention,event,situation,and capability.On this basis,a distributed weight-solving algorithm is proposed to determine index and attribute weight respectively.Then,variable weight and game theory are introduced to effectively deal with the situation imbalance and achieve the combination of subjective and objective.The performance of the model and algorithm is evaluated through multiple simulation experiments.The assessment results demonstrate the accuracy of the proposed method in BVR air combat,indicating its potential practical significance in real air combat scenarios.展开更多
针对带隙参考电压基准温漂问题设计了一款高阶补偿电路,并采用0.5μm BCD工艺进行了验证。电路采用零温度系数(TC)电流实现一阶补偿,同时采用具有正温度系数(PTC)的双极型晶体管(BJT)实现了高阶补偿。采用HSPICE软件进行了仿真,结果表明...针对带隙参考电压基准温漂问题设计了一款高阶补偿电路,并采用0.5μm BCD工艺进行了验证。电路采用零温度系数(TC)电流实现一阶补偿,同时采用具有正温度系数(PTC)的双极型晶体管(BJT)实现了高阶补偿。采用HSPICE软件进行了仿真,结果表明,所设计的电路参考电压正常值为1.8 V。另外,设计的电路具有1.5×10-6/℃的温度系数,在低频上具有55 d B电源抑制比(PSRR),从1.8~5 V具有0.4 m V/V的线性调整率,并得到20 f V2/Hz的输出噪声水平。提出的电路已应用在一款电源管理芯片中,且该电路可应用在多种便携式电子产品中。展开更多
基金National Natural Science Foundation of China(62006193,62103338)Aeronautical Science Foundation of China(2022Z023053001)+1 种基金Key Research and Development Program of Shaanxi Province(2024GX-YBXM-115)Fundamental Research Funds for the Central Universities(D5000230150)。
文摘Beyond-visual-range(BVR)air combat threat assessment has attracted wide attention as the support of situation awareness and autonomous decision-making.However,the traditional threat assessment method is flawed in its failure to consider the intention and event of the target,resulting in inaccurate assessment results.In view of this,an integrated threat assessment method is proposed to address the existing problems,such as overly subjective determination of index weight and imbalance of situation.The process and characteristics of BVR air combat are analyzed to establish a threat assessment model in terms of target intention,event,situation,and capability.On this basis,a distributed weight-solving algorithm is proposed to determine index and attribute weight respectively.Then,variable weight and game theory are introduced to effectively deal with the situation imbalance and achieve the combination of subjective and objective.The performance of the model and algorithm is evaluated through multiple simulation experiments.The assessment results demonstrate the accuracy of the proposed method in BVR air combat,indicating its potential practical significance in real air combat scenarios.
文摘针对带隙参考电压基准温漂问题设计了一款高阶补偿电路,并采用0.5μm BCD工艺进行了验证。电路采用零温度系数(TC)电流实现一阶补偿,同时采用具有正温度系数(PTC)的双极型晶体管(BJT)实现了高阶补偿。采用HSPICE软件进行了仿真,结果表明,所设计的电路参考电压正常值为1.8 V。另外,设计的电路具有1.5×10-6/℃的温度系数,在低频上具有55 d B电源抑制比(PSRR),从1.8~5 V具有0.4 m V/V的线性调整率,并得到20 f V2/Hz的输出噪声水平。提出的电路已应用在一款电源管理芯片中,且该电路可应用在多种便携式电子产品中。
