1) acousto-optic communication
声光通信
1.
According to the principle of the acousto-optic communication with the technique of laser Doppler vibration,a novel and compact circuit of frequency discrimination for laser Doppler vibration signal is proposed.
根据激光多普勒测振技术进行声光通信的工作原理,设计一种新型、小型激光多普勒测振信号鉴频电路。
2.
To prove the system can be used in underwater acousto-optic communications,with this system,the acoustic frequency and intensity of underwater sound source are detected.
介绍了激光多普勒振动计(LDV)用于水下声光通信的应用背景,阐述了激光多普勒振动计的工作原理和两种相干检测方式。
3.
On hydrostatic water surface,the acousto-optic communication rate reaches 5 kbit/s without error;some signal is Dropped on hydrodynamic water surface,but using the spread-spectrum modulation,the acousto-optic communication rate reaches 30 bit/s without error.
在消声水池,对该系统的探测灵敏度、上行声光通信速率以及水面波浪的影响进行了测试实验。
2) underwater acoustic communication
水声通信
1.
Research on phase compensation in OFDM underwater acoustic communication systems;
OFDM水声通信系统中一种相位补偿方法
2.
The application of TD-MFM in underwater acoustic communication;
时频编码在水声通信中的应用
3.
M-ary chaotic spread spectrum Pattern time delay shift coding scheme for multichannel underwater acoustic communication;
M元混沌扩频多通道Pattern时延差编码水声通信
3) UWA communication
水声通信
1.
UWA communications suffer from interferences due to multi-path,ambient noise and Doppler shift.
水声信道是一个极其复杂的时变-空变-频变信道,因而进行水声通信,必须克服时变多途干扰等困难。
2.
However,serious multipath fading and Doppler frequency shift lead to high bit-error-rate of UWA communication.
对于水声通信中严重的多途衰落和多普勒频移现象,采用多径分离再合并技术和实时频率跟踪技术有效地解决了以上问题,大大降低了系统的误码率。
3.
Narrow channel band,severe multipath interferences and severe channel attenuation have demonstrated the great complexities and difficulties of high-speed UWA communications.
信道通带窄、多途干扰强、衰落严重是水声通信高速可靠传输信息的主要障碍。
4) underwater communication
水声通信
1.
Chaotic frequency hopping in underwater communication;
水声通信中的混沌跳频技术研究
2.
Development of underwater communication system based on vector sensor;
基于矢量传感器的水声通信系统研制
3.
Research on Underwater Communication Channel Characteristics Measurement;
水声通信信道特性测量研究
5) underwater acoustic communications
水声通信
1.
The Development and Appliation of Modern Underwater Acoustic Communications;
现代水声通信技术的发展及应用
6) acoustic communication
水声通信
1.
Variable step-size adaptive Doppler compensation for acoustic communication
水声通信变步长自适应多普勒补偿
2.
Based on the maritime communications network, the real-time confidential communications systems used for acoustic communications are researched.
从系统的实时性和保密性出发，基于双DSP的高速信号处理器平台，研究了水声通信中跳频图案、系统同步、数据传输和数据保密等技术。
3.
An OFDM acoustic communication system is proposed.
提出了一套OFDM水声通信系统方案,采用Turbo码作为信道编码,使用梳状导频和块状导频进行信道估计。
补充资料：红外线通信(见光通信)
红外线通信(见光通信)
infrared communication
hongwaixian tongxin红外线通信(in fraredco~爪cation)见光通信。
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