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SYSTEMS AND METHODS USING ON- OR IN-BODY COMMUNICATION TECHNOLOGIES TO OBTAIN INFORMATION ON THE BODY COMPOSITION OF A USER
SYSTEMS AND METHODS USING ON- OR IN-BODY COMMUNICATION TECHNOLOGIES TO OBTAIN INFORMATION ON THE BODY COMPOSITION OF A USER
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机译:使用体上或体内通信技术来获取有关用户身体组成的信息的系统和方法
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摘要
System using on- or in-body communication technologies such as body-sound communication (BSC) or body-coupled communication (BCC) to obtain information on the body composition of a patient (e.g. water content/hydration level on bone density/joint status). The system, in a preferred embodiment, comprises a transmitter, receiver and processor connected to the receiver. The transmitter is arranged to transmit a signal through a medium (the body of the patient), the signal comprising a plurality of different frequency components and transmission technologies. The receiver is arranged to receive the signal following propagation through the said medium. The processor is arranged to generate, at a first time, one or more transfer functions from the received signal, each transfer function defining values for a predetermined signal parameter at different frequencies. The processor then generates, at a second time, one or more further transfer functions from the received signal and compares a transfer function with the further transfer function for the same signal parameter. An output is generated if the difference between the transfer function and the further transfer function exceeds a preset threshold.
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