In the joint multiple access systems, which are based on the CDMA and SDMA techniques, the assignment of spreading codes should be based on the orthogonality of the spatial vector of the mobile users.是什么意思_In the joint multiple access systems, which are based on the CDMA and SDMA techniques, the assignment of spreading codes should be based on the orthogonality of the spatial vector of the mobile users.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句