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PREDISTORTION FACTOR DETERMINATION FOR PREDISTORTION IN POWER AMPLIFIERS
PREDISTORTION FACTOR DETERMINATION FOR PREDISTORTION IN POWER AMPLIFIERS
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机译:功率放大器预失真因素的确定
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摘要
A baseband signal is generated as a sequence of complex sample values at a predetermined sample rate. A sample of the baseband signal is captured as is a sample of an output signal generated by a power amplifier from the captured sample of the baseband signal. Complex values are iteratively assigned to a complex factor intended for predistorting data such that the product of the baseband signal sample and the complex factor converges towards equivalence with the output signal sample with each iterative assignment of the complex values to the complex factor. The complex factor is stored in memory at an address associated with the value of the captured baseband signal sample.
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