1) quadrature product subcarrier modulation(QPSM)
正交副载波调制
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) subcarrier modulation
副载波调制
1.
This paper introduces a spread spectrum communication means which is used by subcarrier modulation to process baseband spread spectrum signal.
介绍一种利用副载波调制对基带扩频信号进行处理的扩频通信方式，并着重在移动通信抗衰落方面对这种方式做出分析，通过在一定多径衰落条件下的计算机模拟，得出该方式抗衰落效果较好的结论
2.
A novel scheme for remote supervision of in-line EDFA and fault-location in EDFA cascaded system based on subcarrier modulation is theoretically proposed and experimentally demonstrated.
该方案利用频移键控 频分复用 (FSK FDM)技术进行声频副载波调制 ,通过光强度调制实现远程在线EDFA监控信息随主信号的传输。
6) quadrature subcarrier voltage
正交副载波电压
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