Sub-band detection of small-sized objects during airspace sensing with ultra-short radio pulses in the resonant frequency range of the UHF radio wave range is considered. 
Sub-band processing of the received
 Hidden Data Embedding into Uninformative Subsets of Subband Image ProjectionsIn this paper, the authors propose a method for embedding hidden 
sub-band data into images, which
 Constructing trends of time series segmentsThe 
sub-band analysis enabling one to construct a sequence whose Fourier transform is the best
 Sub-band identification of speech signals word fragments according to given sampleSub-band identification of speech signals word fragments according to given sample
 Steganographic method encoding of geodata in the images of the earth's surface-Zhao and proposed a 
subband method that allows to put geodata in the image, introducing fewer distortions
 Method of Forming Channel Signals with Zero Energy in a Given Frequency Range of Final Duration of an orthogonal basis in the form of eigenvectors of 
sub-band matrices that must have a priori predetermined
 Generalized sub band analysis and signal synthesis approach is based on the concept of Euclidean signal norm square fraction in a given 
subband