十四进制的  quaterdenary

四进制[的]  quaternary

四进制四元的  quasi square wave; quasi saturation

2二进1四进编码  two-binary; one-quaternary

2个二进制位编码为四进制讯号  2 binary 1 quaternary

改进的四叉树多分辨率的方法  method of the modified quad-tree mutli-resolution

光四进制  optical quaternary

四进制  quaternary system; quadruple notation

四进制U-系统  quaternary U-System

四进制差分编码  4-level differential coding

四进制差分偏振移位键控  4DPolSK

四进制差分相移键控  QDPSK

四进制记数法  tetrad notation; quaternary notation

四进制逻辑  quaternary logic

四进制码  quaternary code

四进制数系  quaternary number system

四进制小波  four band wavelet

四进制小波变换  quaternary system wavelet transform

四进制增益  quaternary gain