Invention Grant
US08682645B2 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer 有权
信号分析仪,信号分析方法,信号合成器,信号合成,风力发电,变压器和逆变换器

Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer
Abstract:
The present disclosure relates to a signal analyzer for processing an overlapped input signal frame comprising 2N subsequent input signal values. The signal analyzer comprises: a windower adapted to window the overlapped input signal frame to obtain a windowed signal, wherein the windower is adapted to zero M+N/2 subsequent input signal values of the overlapped input signal frame, wherein M is equal or greater than 1 and smaller than N/2; and a transformer adapted to transform the remaining 3N/2−M subsequent windowed signal values of the windowed signal using N−M sets of transform parameters to obtain a transformed-domain signal comprising N−M transformed-domain signal values.
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