two-dimensional time meaning in English

二维时间

Construct some two - dimensional time - spreading / frequency - hopping codes based on oocs and prime codes , propose the coders and decoders to implementing them , prove the correlation performance and capacity . 4 study the optical cdma systems . ( a ) analyze the performance of spreading time incoherent ocdma system and scheme to improving the system ' s performance
在ooc (光正交码)及primecodes (素数码)的基础上提出了几种新的二维光时域频域组合码和其实现方案，并对其相关性、容量进行了证明。
Based on 0 - d core physics model , the core parameters of low , moderate and high aspect ratio are calculated by system code . in addition , an advanced plasma configuration for fds system has been proposed , which aims at high beta , high bootstrap current and good confinement . in order to determine the feasibility of fds operation , a two - dimensional time dependent free boundary simulation code has been adopted to simulate time - scale evolution of plasma current profile and boundary position
在建立零维堆芯物理模型基础上，利用系统分析程序计算了堆芯物理参数，分析了fds -标准环径比情况的先进运行模式，并对其位形演化进行了放电模拟，获得比较满意的结果，为fds -系统概念设计奠定了基础。