Conformal array has the similar shape as the platform surface,and has affect on its kinetic characteristics.Conformal array has wide applications in military and civilian aircraft.An estimation method of 2D-DOA is proposed for conformal array.In the method,virtual array data is built based on array received data.The DOA estimation can be calculated by ESPRIT and MUSIC algorithm.Simulation results demon-strate the effectiveness of the proposed algorithm.%共形阵列是指与载体表面共形的天线阵列，对载体空气动力性能影响小，在军用、民用等飞行器上具有广泛的应用。针对共形阵列信号处理中的角度估计问题，给出了一种基于虚拟阵列变换思想的共形阵列信号 DOA 估计算法。该算法首先对接收数据进行虚拟阵列变换，利用变换后的数据，采用 ESPRIT算法和 MUSIC 算法相结合，实现了对共形阵列信号二维角度估计。算法对阵列形状限制小，真正实现了适用于任意共形阵列。以圆柱共形阵列为例，通过仿真实验验证了算法的有效性。
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