1) multi-carrier Quadrature Amplitude Modulation
多载波正交幅度调制
2) OMCM
正交多载波调制
1.
The orthogonal multicarrier modulation (OMCM) technique has recently evoked considerable research and widespread applications for wireless communication.
在无线通信中 ,以正交频分复用 (OFDM)为代表的正交多载波调制 (OMCM )技术正在获得深入研究和广泛应用。
3) orthogonal frequency division multiplexing
正交多载波调制
1.
This article mainly introduces the orthogonal frequency division multiplexing(OFDM) of the power line communications(PLC) and its advantages and disadvantages,emphasizing that the power line channel weakens and noise exists.
本文介绍了正交多载波调制(OFDM)电力线通信(PLC)的优缺点,强调了电力线信道存在的噪声和衰减。
4) OFDM
正交多载波调制
1.
This thesis briefly expounds the basic principles of Spread Spectrum Communication (SSC) and Orthogonal Frequency Division Multiplexing (OFDM) techniques, discusses the advantages, disadvantages and the actuality of SSC and OFDM while they both are applied on Power Line carrier communication (PLC).
本文简要阐述了扩频通信技术及正交多载波调制技术的基本原理，讨论了扩频技术及正交多载波调制技术在电力线载波通信应用的优点、方式和现状。
5) MQAM
多进制正交幅度调制
1.
The OFDM system in simulation uses MQAM modulation and MPSK modulation.
正交频分复用(OFDM),因为它在无线多径衰落信道下具有较好的传输特性,正越来越受到人们的关注;OFDM是一种先进的抗符号间干扰(ISI,Inter—Symbol Interference)的高速传输技术;文中对其技术特点原理进行了研究,利用Simulink进行OFDM系统链路级的仿真,在不同的信道情况条件下,分别采用MQAM(多进制正交幅度调制)与MPSK(多进制相位调制)两种调制方式进行仿真,并且分析仿真结果,得到两种调制方式在OFDM系统中的性能对比。
6) quadrature amplitude modulation
正交调幅，正交幅度调制
补充资料：电力线载波保护复用载波机
电力线载波保护复用载波机
multi purpose PLC equipment for teleprotection system
d一onl一x一on zolbo boohu fuyong 20一boJ-电力线载波保护复用载波机(multi purposePLC equiPment for teleProteetion system)见电力线载波机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条