Like NDVI, This dual-channelratio index has the advantages that could attenuate conventional equipment noise and atmospheric effects.
这种双通道比值指数和NDVI一样具有衰减仪器噪声和抵消常规大气影响的优点。
2
In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio (SNR) channel environment.
深空通信中面临的问题之一就是如何在低信噪比信道环境下可靠地传递信息。
3
When the upper state population is not reversed, the channel with greater ratio of emission and absorption cross-section has greater competitive advantage.