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了理论依据。

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.

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本文详细介绍了以下几个方面：线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力；

This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.

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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。

In traditional pulse medical ultrasonic imaging system, the ambiguity function has periodic distance ambiguity and velocity ambiguity, this affects the image quality and resolution.

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