Beam coverage and coloring scheme is the premise of multi-beam communication (research).
覆盖和染色方案的确定是研究多波束通信的前提。
Using the idea of CDMA, an automatic beam selection scheme for indoor diffuse wireless infrared communication systems is presented.
文章应用码分多址的思想，提出一种具有自动波束选择的室内漫射红外通信系统方案。
With the rapid development of signal processing technology and micro-electronics technology, Digital Beam Forming (DBF) technique has been widely researched in modern radar and communication systems.
随着信号处理技术和微电子技术的飞速发展，数字波束形成(DBF)技术在现代雷达和通信系统中的应用越来越广泛。
In satellite-to-ground laser communication, the effect of atmosphere to laser beam is an important problem.
星地激光通信中，大气对激光束的影响是需要考虑的重要问题。
As core of the smart antenna, beam-forming algorithms have become a hot topic in the study of mobile communication.
波束形成算法作为智能天线的核心，近年来成为移动通信领域中的一个研究热点。
Mean square error approach is often adopted in classical adaptive beam-forming algorithm, nevertheless, the bit error rate is one of the most important parameters in a communication system.
在经典自适应波束形成算法中，常采用均方误差准则，但对于一个通信系统来说，误码率是评价其性能的一个很重要的参数。
Multi-beam transmission link is adopted in this system, which improves the capacity, energy, reliability and communication.
该系统采用了多光束传输链路，提高了通信的容量、能量和可靠性。
Laser beam acquisition, tracking and pointing (ATP) is one of key technologies for free space optical communication.
光束的捕获、跟踪和对准(atp)是自由空间光通信中必须解决的关键技术之一。
Adaptive array is widely used in radar and communication system, the simplest means to test the performance of the adaptive array system is to inspect the adaptive beam pattern.
自适应阵列在雷达和通信系统中有着广泛的应用，检验自适应阵列系统的性能，以考察自适应波束图最为简单。
In digital communication, ideal MDPSK signal has the phase jump and larger side beam power in the code switching. It can be sent only after a bandpass filter.
在数字通信中，理想的MDPS K信号在码元切换时会发生相位跳变，旁瓣功率较大，需要经过限带滤波后才能够发射。
The transmitter beam is Gaussian for real satellite-ground laser communication system. The pointing jitter and atmospheric scintillation are the main noise sources for satellite-ground laser link.
实际星地光通信系统的发射光束为高斯型的情况下，跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源。
Digital beam forming is one of the hotspot technology which can dramatically increase the performances of the modern radar, electron reconnaissance and wireless communication system.
数字波束形成技术是现代雷达、电子侦查、无线通信中的研究热点之一，能显著提高雷达、通信等电子系统的性能。
These propagation rules of Gaussian beam limited by the aperture could promote the applications of Gaussian beam in the optical communication and the optical super resolution.
得到的孔径光阑限制下高斯光束的传输规律为高斯光束在自由空间光通信和光学超分辨中的应用提供了理论基础。
A computer serial port communication system using laser beam as a carrier is proposed, with the emphasis on its hardware composition and software design consideration.
报道了一种以激光为载波通过计算机串口实现计算机之间通信的实验装置。重点介绍了该系统的硬件构成及软件设计方案。
A dynamic channel reserve strategy for LEO communication system with spot-beam is proposed.
针对具有点波束的低轨卫星移动通信系统，提出了一种信道动态预留策略。
In addition, we research atmospheric refraction influence to space-earth satellite communication, and put forward that amending emission Angle can eliminate excursion between beam and satellite.
另外，本文还对大气折射对空地卫星光通信的影响做了研究，提出了利用修正光源的发射角来消除大气折射所引起的光束与卫星之间偏移的思想。
Based on the background of the research on the inter-satellite laser communication system, design and simulation of the laser beam pointing control algorithm have been done.
本文以空间光通信终端系统的研究为背景，进行了光束粗瞄控制算法的设计和仿真。
A novel optical communication scheme of 2D pattern transfer model based on multi-beam array in complex channel is proposed.
提出了一种利用多光束阵列在复杂散射信道中进行二维图案传输的理论模型。
Error of laser beam pointing has severe influences on the received power and bit error rate in the link of inter-satellite optical communication.
卫星间光通信链路中对准误差对接收功率和误码率都有严重的影响。
The authors propose a method of using transmit narrow-beam to spatially concentrate the radiation energy on dominant path and suppress undesired paths in the shortwave communication.
提出在短波通信中利用发射端窄波束，在空间上将能量集中于主路径且抑制其他路径来改善多径信道环境；
The authors propose a method of using transmit narrow-beam to spatially concentrate the radiation energy on dominant path and suppress undesired paths in the shortwave communication.
提出在短波通信中利用发射端窄波束，在空间上将能量集中于主路径且抑制其他路径来改善多径信道环境；
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