In phase-coherent communication system, phase-locked loop is always used to yield coherent reference signal.
相位相干通信系统中，通常采用锁相环路来产生相干参考信号。
Coherent modulation has been one of the most active research fields in digital acoustic communication recently.
相干调制是近年来水声通信领域中最为活跃的研究课题之一。
A company must learn how to use an Integrated Marketing Communication to spread a relevant, coherent and consistent message about the brand and its products.
公司必须学会如何使用整合营销传播蔓延有关，连贯和一致的信息，品牌和产品。
The coherent quadrature detector is one of the key technologies for providing high quality quadrature signal for digital signal processing in radar, sonar, communication and other systems.
正交相干检波是雷达、声纳和通信等系统中为数字信号处理提供高质量的正交信号的关键技术之一。
In modern shortwave communication systems, the channels are mostly frequency-selective, multipath transmission causes the coherent attenuation and symbol interference.
现代短波通信系统，其信道大多数具有频率的选择性，多径传输产生了信号的相干衰落与符号干扰。
A scheme of satellite covert communication based on the coherent chaos shift keying signal is proposed in this paper, then the whole system model is also constructed.
文章提出了一种基于相干混沌移位键控信号的卫星隐蔽通信方案，并建立了系统模型，然后采用离散基带信号分析了其隐蔽性能、抗干扰性能以及相关参数的选取。
Language chunks, just like performs, combine together to form complete sentences and coherent discourse, and they provide a convenient way for language communication.
语块好比预制件，拼在一起就形成了完整的句子及连贯的语篇，为语言交际提供一条省时省力的便捷途径。
Making sales presentations, briefing management and clients, or handling the media are three of the many communication situations where quick and coherent thinking is required.
做销售简报、向管理层和客户汇报、应对媒体是三种要求快速和连贯思维的主要情景。
Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication.
空间相干光通信中接收天线像差会使光外差效率下降。
One of the key technology in coherent optical communication system is how to restrain polarization noise of the optical system.
光学系统偏振噪声的抑制是相干光通系统中的关键技术之一。
This paper deals with the effect of FM quantum noise of laser sources on the receiver performance in coherent fiber-optic communication systems.
本文分析了激光源FM量子噪声对数字光纤相干通信接收机性能的影响。
As a result, coherent optical communication system will gradually become the mainly solution for the next generation transmission network in the future.
因此，相干光通信系统将逐渐成为未来高速大容量传送网的必然选择。
Coherent optical communication has many advantages, but the technology is very complicated, It has come into practice by ten years effort.
相干光通信具有很多方面的优点，但其技术复杂，经过十多年的努力，已经进入实用阶段。
This paper reports a polarization control technique for coherent optical fiber communication systems.
本文报导一种适于相干光纤通信系统应用的单模光纤偏振自动控制技术。
Under this background, the kernel technology of phase synchronization and correction in coherent optical communication system is systematically researched in this thesis.
基于此背景，本论文对相干光通信系统中的核心技术——相位同步及校正技术进行了深入的、系统的研究。
The Study of the New Coherent Modulation demodulation Function Set in Chen-Mobius Analog Communication Systems;
调制解调器是在模拟和数字信号之间进行转换的设备。
The Study of the New Coherent Modulation demodulation Function Set in Chen-Mobius Analog Communication Systems;
调制解调器是在模拟和数字信号之间进行转换的设备。
应用推荐