The infrared radiation of reentryballistic missile and its heavy decoys, which plays a very important role in defense, is one of the most important characteristics for identifying missile and decoys.
A new analytic solution of the ballistic missiles reentry trajectory is presented by considering some more actual factors on the basis of the existing analytic solution.
在现有再入段解析方法的基础上，考虑更为贴近实际的条件因素，求得一组新的弹道导弹再入弹道解析解。
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It is studied the problem of tracking a ballistic object in reentry phase from radar observations.