What can be said about the signal output of phased array coils when combining signals?

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The signal output of phased array coils, when combining signals, is significant because it produces a single image by integrating the data received from multiple coils. This process leverages the advantages of each coil's signal to generate a comprehensive image that reflects a higher spatial resolution and better signal-to-noise ratio than that achievable with a single coil alone. Phased array coils are designed to work together simultaneously, allowing for greater coverage of the area being imaged. As a result, the combined signals enhance the overall quality of the resulting image, leading to improved diagnostic capabilities.

Each coil in a phased array contributes unique information based on its positioning and sensitivity profile, and through the process of summation or averaging, these contributions create a more complete and detailed representation of the anatomy being examined. This technique is especially beneficial in MRI, as it allows for better visualization of structures and pathologies, providing clinicians with vital information for diagnosis and treatment planning.

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