超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。

Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.

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因此相控阵列能够更加灵活、准确而快速地实现多样化的焦点模式和焦点扫描控制，是非常理想的声束聚焦手段。

So phased array is an ideal applicator that can congregate ultrasound beam and shift the focus more flexibly, rapidly and accurately.

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通过利用现场可编程门阵列fpga设计微控制器的接口电路，使得电路的设计变得简单灵活。

The design of interface circuits of micro controller becomes simple and flexible due to using FPGA.

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