Linear octree encoding provides a effective way for tridimensional of objects. Algorithms for translation and rotation of linear octree were presented which have linear complexity in time.

线性八叉树编码是一种有效的表示三维物体的方法。给出了线性八叉树的平移和旋转算法，它们都有线性的时间复杂性。

youdao

RA codes have a natural linear-time encoding algorithm.

RA码具有线性时间编码算法。

youdao

Focusing on the problem that existing linear dispersion (LD) space-time codes have a high encoding and decoding complexity, a type of orthogonal linear dispersion (OLD) space-time codes is proposed.

针对多输入多输出系统中现有的线性分散(LD)空时码编、解码复杂度高的问题，提出了一类正交线性分散(old)空时编码。

youdao