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A simulation study is presented which investigates the possibility of obtaining better spatial resolution and similar or improved statistical performance from a coded waveform compared to a continuous frequency (CF) narrowband pulse for colour flow imaging (CFI) applications. Our attention is focused on linear frequency modulated (LFM) chirps. We show that it is possible to improve the spatial resolution...
Modern medical ultrasound scanners allow the user to produce either grey scale images showing the structure of organs inside the patient, or images which are coloured according to the velocity of the blood or tissue. It is often desirable to combine these images to produce a clearer, over-all view of flow in relation to structure. However, the optimum signal requirements for producing high-resolution...
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