它是通过构造一组标准正交基，并将随机场用其在这组基上的投影表示。
A set of standard independent bases is constructed, then the random field is expanded with its projection on the bases.
通过正交试验，建立了LAPD的最佳工况参数标准。
The optimized parameters standard of LAPD is built by orthogonal tests.
基于DVB_C标准的数字电视系统采用正交幅度调制(QAM)传送信号。
Quadrature Amplitude Modulation (QAM) is used to transfer signals by digital TV system based on DVB_C standard.
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