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Distortion reduction quantizer circuit, distortion noise reduction method and digital transmitter
Distortion reduction quantizer circuit, distortion noise reduction method and digital transmitter
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机译：失真缩减量化器电路，失真降噪方法和数字发射器
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摘要
The distortion mitigation quantizer circuit includes a pre-quantizer that generates a first quantized signal having an L output signal level from an input signal, and pulse width modulation (PWM) to generate a second quantized signal. And a digital PWM circuit that uses M modulated carriers having a carrier frequency fp and modulates the first quantized signal according to an oversampling ratio (OSR) N. In this case, the number M of modulated carriers is substantially equal to twice L/N.
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