随机调相连续信号的模糊函数特性及在医学超声成像上的应用前景探讨

传统的脉冲式医用超声成像系统的模糊函数由于存在周期性的速度模糊和距离模糊，影响了图像的质量和分辨力。本文借鉴噪声雷达理论，证明了随机调相连续波信号具有最优的模糊函数特性，并据此提出了随机调相医用超声成像系统的设计思想。这一思想的提出为克服速度模糊和距离模糊，提高图像质量和分辨力，设计新一代医用超声成像系统提供理论依据。

The ambiguity function properties of continuous random phase-modulated signal and its application in medical ultrasonic imaging[KH*2/3D]

In traditional pulse medical ultrasonic imaging system, the ambiguity function has periodic distance ambiguity and velocity ambiguity, this affects the image quality and resolution. By using radar theory, this paper has proved that the continuous random phase modulated signal has the optimum ambiguity function, and has put forward the design ideology of random phase modulated medical ultrasonic imaging system. This method is the theory basis of overcoming the distance ambiguity and velocity ambiguity, improving the image quality and resolution and designing new generation medical ultrasonic imaging system.