reference input signal meaning in English

参考输入信号
基准输入信号
基准输入讯号

We bring forward the method through compare the two projects adaptive spectrum enhancement and wavelet analysis which combines the wavelet analysis and the adaptive theory and have the information of several frequence bands being the reference input signals to reach the adaptive processing and restructure of speech signal by making use of merits of the two theories
通过对比自适应谱线增强和小波变换的两种方案，提出了把小波分析理论与自适应理论相结合，利用两种理论的优势，用小波分解后的若干层频段信息作为参考输入信号，实现语音信号噪声的自适应处理和重构。