A multi-channel real-time sound pressure spectrum analyzer was demonstrated to investigate abnormal noises of tapered ro......

Accurate spectral measurement and wavelength determination are fundamental and vital for many fields.A compact spectrum ......

使用铌酸锂（ＬＮ）晶体制作了有三个声电光互作用通道的调制器，并进行了空分型声电光频谱分析实验。它可减小声光频谱分析器由于器件自身频......