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In cognitive radio networks, soft decision spectrum sensing process the statistical measurement values sent by cognitive users through control channels in cognitive base station, and determine the activity of primary users. Owing to the limited bandwidth of the control channel, cognitive users shall quantify the statistical measurement values before sending it to cognitive base station. This paper...
Launched from the establishment of 3D tongue model in this thesis, the tongue rehabilitation training method of hearing-impaired child combined by 3D modeling technology and sensor technology is applied and the method can reveal the tongue motor process of average person when pronouncing, guide the hearing-impaired child to do tongue pronunciation training, overcome the problem of non-visibility of...
Vegetation fractional cover which defines the amount of vegetation on the surface of the land, is a key parameter in land surface models. Based on a geometric-optical model in combination with linear spectral mixture analysis, this paper discusses the estimation of shrub fractional cover in Wushen Banner of Inner Mongolia in the Mu Us Sandland using HJ-1B image. Firstly, we acquire the surface reflectance...
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