Sharing+RF+Spectrum
This book was born from the perception that there is much more to spectrum use and sharing than one sees reflected in publications, whether academic, ...
This book was born from the perception that there is much more to spectrum use and sharing than one sees reflected in publications, whether academic, ...
The radio spectrum is one of the most precious resources which must be managed to ensure efficient access for the wireless communication services whic...
Radio frequency spectrum is a scarce and critical natural resource that is utilized for many services including surveillance, navigation, communicatio...
A light-emitting diode (LED) is a semiconductor device that emits narrow-spectrum incoherent light when forward-biased.The color of the emitted ligh...
为了使音频信号分析仪小巧可靠,成本低廉,设计了以2片MSP430F1611单片机为核心的系统。该系统将音频信号送入八阶巴特沃兹低通滤波器,对信号进行限幅放大、衰减、电平位移、缓冲,并利用一单片机负责对前级处理后的模拟信号进行采样,将采集得到的音频信号进行4 096点基2的FFT计算,并对信号...