The Institute of Effectiveness Evaluation of Flying Vehicle

Beijing, China

The Institute of Effectiveness Evaluation of Flying Vehicle

Beijing, China

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Yang H.,National University of Defense Technology | Dai H.,Xi'an Jiaotong University | Liu Y.,The Institute of Effectiveness Evaluation of Flying Vehicle
IEICE Electronics Express | Year: 2012

Antenna polarization states always vary with scan direction which can be named as Spatial Polarization Characteristic (SPC) of antenna. We present a novel antenna module named orthogonal polarization binary array antenna (OPBAA). The advantage of the design is its simple design and prominent SPC. Which can be used for polarimetric application. The theoretical model is derived and spatial polarization characteristic is especially analyzed. Measurement results of an OPBAA formed by two horns are analyzed to verify the conclusions. The OPBAA can reduce the complexity of the communication system which has good application prospect in the future. © IEICE 2012.


Qi Z.-H.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liu X.-M.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liang W.,The Institute of Effectiveness Evaluation of Flying Vehicle | Niu Y.-J.,The Institute of Effectiveness Evaluation of Flying Vehicle
Xitong Gongcheng Lilun yu Shijian/System Engineering Theory and Practice | Year: 2011

In allusion to the typical attack and defense course of ballistic missile, the main defense-influenced factors of defense weapons were analyzed, as well as the multi-hierarchy attributes of defense effectiveness were established. The idea that the weight coefficients could be obtained based on layered weights was put forward, and a fuzzy optimization algorithm to determine weights was provided. Thus, the fuzzy evaluation model of missile defense effectiveness was established. An application case was provided, and the results illuminated the approach was effective to evaluate combat effectiveness of missile defense system.


Qi Z.-H.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liu X.-M.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liang W.,The Institute of Effectiveness Evaluation of Flying Vehicle
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | Year: 2010

The anti-detection ability of ballistic missile confronted with warning satellite is critical to its survivability in boost phase combined the boost movement model and radiant intensity model of ballistic missile, along with infrared detection model of warning satellite, the Markov chain Monte Carlo (MCMC) algorithm of boost-phase survivability of ballistic missile is established. In addition, the response-surface approximate function is established to analyze the uncertain influence parameters in boost phase. A calculation case is provided, some uncertain parameters are analyzed, and the results show that the algorithm can obtain the survivability of ballistic missile in boost phase.


Qi Z.-H.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liang W.,The Institute of Effectiveness Evaluation of Flying Vehicle | Liu X.-M.,The Institute of Effectiveness Evaluation of Flying Vehicle | Zhai L.-L.,The Institute of Effectiveness Evaluation of Flying Vehicle | Gao L.,The Institute of Effectiveness Evaluation of Flying Vehicle
Hangkong Dongli Xuebao/Journal of Aerospace Power | Year: 2011

To improve the transport and intercepting capability of interceptor considering the relative distance and velocity between target and interceptor, etc, the zero-effort-miss model of interceptor, the internal ballistic model and the mass & size model of trajectory-control engine were established to optimize the trajectory-control engine. The genetic arithmetic combined with Powell method was also adopted in the optimization design of trajectory-control engine. The zero-effort-miss eliminated by trajectory-control engine could improve not less than 17.9% as proved by the optimization design case, and the influence caused by uncertain factors was more explicit, so the method might be applied to the optimization design of interceptor.

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