orthogonal transmission中文什么意思

orthogonal: adj. 1.直角的，互相垂直的；正交的；直交的。 2. ...
transmission: n. 遞送；傳遞；傳達(dá)；傳染；移轉(zhuǎn)；【機(jī)械工程】傳動(dòng)；傳 ...
orthogonal: adj. 1.直角的，互相垂直的；正交的；直交的。 2.(統(tǒng)計(jì)數(shù)字)互不相關(guān)的。 an orthogonal section 正(交)剖面。
no transmission: 不傳輸; 無傳輸; 無發(fā)射
t transmission: 播出

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Recently , multiple input multiple output ( mimo ) system which originates from the employment of multiple antennas at transmitter and receiver has many advantages such as large system capacity , high spectral efficiency . on the other hand , orthogonal frequency division multiplexing ( ofdm ) which bases on the orthogonal transmission of sub - carriers also has some obvious merits such as strong anti - multipath ability , high spectral efficiency . the combination of the two techniques mimo - ofdm , has become a hotspot recently and regarded as promising technique for future next - generation mobile communication systems
近來,在無線通信系統(tǒng)中的收發(fā)兩端同時(shí)使用多根天線的多入多出( mimo , multiple - input - multiple - output )通信結(jié)構(gòu),具有系統(tǒng)容量大、頻譜效率高等優(yōu)點(diǎn);基于正交的多路子載波并行傳輸?shù)恼活l分復(fù)用( ofdm , orthogonalfrequencydivisionmultiplexing )技術(shù),具有抗多徑能力強(qiáng)、頻譜效率高等優(yōu)點(diǎn),二者的結(jié)合,即mimo - ofdm技術(shù),被認(rèn)為是構(gòu)建下一代移動(dòng)通信系統(tǒng)的框架技術(shù)。

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