首页>
外国专利>
CARRIER RECOVERING APPARATUS AND CARRIER RECOVERING METHOD
CARRIER RECOVERING APPARATUS AND CARRIER RECOVERING METHOD
展开▼
机译:载具复原装置及载具复原方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
A carrier recovering apparatus, in which degradation of the demodulation performance caused when a pilot signal cannot be normally received is suppressed, includes a rotation calculator for multiplying a baseband signal and an oscillation signal and outputting a multiplied signal; a pilot signal extractor for extracting a pilot signal from the signal output from the rotation calculator; an error detection controller for outputting a phase error between the pilot signal and a reference signal as a value restricted within a given range; a loop filter for smoothing the phase error output from the error detection controller and outputting the smoothed phase error; and a variable frequency oscillator for generating a signal in accordance with the output of the loop filter and outputting the generated signal as the oscillation signal.
展开▼