数字调制技术 meaning in English
digital modulation technique
Examples
- Orthogonal frequency division multiplexing ( ofdm ) is a suitable digital modulation technique for broadband systems
正交频分复用( ofdm )技术是一种适用于宽带系统的多载波数字调制技术。 - With the improvement of the technology , especially in the fields such as computer technology , data coding and compress , digital modulation and vlsi . , the world electronic information industry enter into the digital era
随着科学技术的进步，特别是计算机技术、数据编码与压缩技术、数字调制技术和超大规模集成电路技术的发展，全球迎来了电子信息产业数字化的新时代。 - / 4 - dqpsk which is a modification of qpsk modulation . it is a linear narrowband technology which has been widely employed in mobile communication system , satellite communication system . it possesses features of high spectrum utilization ratio , better spectrum specification , stronger anti - fading performance and applicability to non - coherent detection
/ 4 - dqpsk是qpsk改进方式,它是一种线性窄带数字调制技术,被广泛应用于移动通信和卫星通信中,其突出特点是频带利用率高、频谱特性好、抗衰落性能强、可进行非相干解调。 - Orthogonal frequency division multiplexing ( ofdm ) is a multi - carrier digital modulation technique . its conception has come out for a long time , however , it is recently that it ' s recognized as an proposed method in broadband bi - direction wireless data communications with the development of multimedia services
正交频分复用( ofdm )技术是一种多载波数字调制技术，虽然ofdm的概念已经存在了很长时间，但是直到最近，随著多媒体业务的发展，它才被人们认识到是一种实现高速双向无线数据通信的良好方法。