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中文摘要：
针对实际应用中有效利用多基地雷达系统有限资源的需求，该文提出一种基于目标3维跟踪的功率分配方法。该方法首先推导了目标3维跟踪时均方根误差的贝叶斯克拉美罗下界，并将其作为代价函数进行功率分配。而后，该文用梯度投影算法对由此产生的非线性、凸优化问题进行了求解。仿真结果表明，相对于功率均匀分配的情况，该文提出的功率分配方法能明显提高目标的跟踪精度。
英文摘要：
For the requirement of making full use of the limited resource in real application, this paper proposes a power allocation scheme for 3D target tracking in nmltistatic radar systems. Firstly, the Bayesian Cramer Rao Lower Bound （BCRLB） for 3D target tracking mean square error is derived and utilized as a criterion for the power allocation ~trategy. Then, the resulting nonlinear convex problem is solved by gradient projection algorithm. Finally, simulation results suggest that the tracking accuracy of the whole system is enormously improved by using the proposed algorithm compared with the results achieved with equal power allocation.
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