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INTEGRATED CIRCUIT FOR INVERSE DISCRETE FOURIER TRANSFORMING A FREQUENCY DOMAIN SIGNAL TO A TIME DOMAIN SYMBOL SEQUENCE
INTEGRATED CIRCUIT FOR INVERSE DISCRETE FOURIER TRANSFORMING A FREQUENCY DOMAIN SIGNAL TO A TIME DOMAIN SYMBOL SEQUENCE
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机译:离散离散傅里叶变换电路将频率域信号转换为时间域符号序列
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摘要
A communication apparatus includes a receiver, a combiner, and a transformer. The receiver receives signals mapped on plural frequency bands. A size of at least one of the frequency bands is a multiple of a product of two or more powers of prime numbers, which are integer numbers greater than 1 and are different from each other. An exponent for at least one of the prime numbers is an integer greater than 1. The combiner combines the received signals into a combined signal. The transformer transforms the combined signal in a frequency domain into a symbol sequence in a time domain with an inverse discrete Fourier transform (IDFT) having a size that is a product of powers of plural values. The values are integer numbers greater than 1 and are different from each other. An exponent for at least one of the values is an integer greater than 1.
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