组合码 meaning in English

assembly code
composite code

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。