2-D optical orthogonal codes(OOC)

2D orthogonal polynomial

3D orthogonal woven composite

3-D orthogonal woven composites

3D orthogonal woven fabric

3-D orthogonal woven fabric

adaptive orthogonal least square

adaptive orthogonal projective decomposition

adaptive orthogonal wavelet

adjoint orthogonal system

adjoint orthogonal systems

Alamouti orthogonal space time code

all vector orthogonal subspace

almost-orthogonal basis

almost-orthogonal transformation

almost-orthogonal transfortion

Amicable Orthogonal Design

analog compound orthogonal neural network

analogous quasi-orthogonal design

analogue to information converter orthogonal