高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
OFDM技术以其抗干扰性强，传输速率高成为低压电力线高速通信的主流技术。 信道估计算法是OFDM系统接收端的关键技术之一。
OFDM technique has been the mainstream in low-voltage power line communication because of its good capability against interference and high transmission rate.
将VMIMO和OFDMA技术的优势相结合，非常适合下一代无线通信系统对高速数据传输速率的要求。
The combination of the advantages of VMIMO and OFDMA technique is suitable for the high data rate transmission for the next wireless communication systems.
呼之欲出的第三代(3G)移动通信不仅能提供现有的各种移动电话业务，还能提供高速率的宽带视频业务，支持高质量的话音、分组数据业务以及实时的视频传输。
The incoming 3g could not only support the existing mobile operations, but also broad band video operations high quality voice packet data transmission and real time video communication.
未来通信网络不仅需要提供更大的系统容量，也要保证高速率、广覆盖的需求。
Future communication networks not only provide greater system capacity, but also ensure the needs of high-speed and wide coverage.
近年来，超宽带脉冲无线电UWB-IR传输技术以低功耗、高速率、低检测率和低截获率等特点受到军事通信领域的关注。
UWB-IR technology has been concerned in military communications in recent years because of its high data rate, low power consumption, low probability of detection and low probability of interception.
从设备的电磁兼容与热设计方面具体阐述了提高高速率大容量通信传输设备可靠性的方法。
Has described the method of increasing reliability about high rate and large capacity telecommunication transmission equipment from electromagnetic compatibility and thermo-management.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
当进行高速水下通信时，由于水下信道的频带有限，扩频和MFSK调制方式无法解决高速率信息传输和可利用信道频带窄的矛盾。
Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.
该编码器和译码器适合用于高速率的现代通信技术，特别是硬件资源较丰富的环境。
The encoder and decoder is optimized for high-speed modern communications technology, particularly in the higher hardware resources environment.
该文从实际出发，通过卫星通信线路和地上线路的有机结合，构筑了低成本、高速率的基于卫星的远程教学系统，并在其上进行了模拟教学实验。
This paper constructs a new practical distance learning system that is low cost and high speed by the means of satellite LOG combining with ground connection well.
下一代无线移动通信系统的目标是支持高质量高速率的移动多媒体业务。
The goal of next generation wireless mobile communication system is to support high quality, high speed mobile multimedia services.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的移动多媒体传输。
The next-generation wireless personal communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
新一代无线通信系统要求大容量、高速率、综合业务、适用于各种环境。
The new generation communication systems are required to support high capacity, high data rate and integrated services.
针对宽带无线通信系统对高可靠性和高速率数据传输的要求，本文介绍了一种基于LDPC码的MIMO - OFDM宽带无线通信系统模型。
Aiming at the requirement for reliability and very high data rate transmission for broadband wireless communication, a LDPC coded MIMO-OFDM system model was proposed.
下一代移动无线通信系统的目标是实现无所不在的、高质量的、高速率的宽带多媒体通信。
The next generation wireless mobile communication system is expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
随着第三代移动通信系统逐渐投入商用，移动用户对高质量高速率的移动多媒体业务提出更高的期待。
Along with the 3rd generation mobile communication system being gradually applied in business field, subscribers are in stronger expectation of high-speed high-performance mobile multimedia services.
在高速率的ARINC- 429通信中，采用传统的单片机控制方式已很难满足系统速率要求。
IN the high speed ARINC-429 communications, it's difficult for traditional SCM controlled mode to meet the need of a high speed system.
稳定的高重复频率、波长可调谐的超短光脉冲源是高速率、全光通信系统的关键部分。
Optical signal sources with high repetition rate and the tunable central wavelength play an important role in the high-bit-rate and all-optical communication system.
在一种可以用可变速率传输的数据通信系统中，高速率分组数据传输改进了正向链路的应用，并降低了传输延迟。
In a data communication system capable of variable rate transmission, high rate packet data transmission improves utilization of the forward link and decreases the transmission delay.
传统的遥控遥测系统多运用码分多址技术，在某些信道环境下，它的传输速率有时达不到高速通信的要求。
The CDMA system was widely used in the traditional system, but its data rate is not fast enough to satisfy the system that needs in some channel environment.
未来移动通信系统中，高速率的数据传输决定了宽带传输的必要性。
In future mobile communication system, the high transmission rate determines the choice of wideband transmission.
更高速率系统的研制目前也在开展中。时钟恢复电路(CRC)是光纤通信和许多类似数字通信领域中不可缺少的关键电路。
Clock recovery circuit (CRC) is the key component in the optical transmission systems as well as in the field of digital transmission.
第四代无线通信中，多媒体移动服务需要高速率的传输机制。
Multimedia mobile services afforded in the 4th generation wireless communication require high bit-rate transmission technology.
未来的无线通信系统将要实现高质量、高速率的多媒体传输。
Future communication system will achieve multimedia transmission with high quality and high speed.
未来无线通信系统的目标是实现随时无缝的高质量、高速率的多媒体和数据业务传输。
The future wireless mobile communication systems are expected to provide ubiquitous, high-quality, and high-rate mobile multimedia transmission.
目前，这两种技术已经成为第三代以及未来移动通信系统实现高速率、高传输质量、高系统容量的关键技术之一。
So the two technologies become key ones for high data rate, performance and capaticity in 3G mobile communication systems and beyond.
卫星通信的信息量越来越大，数据的速率越来越高，使得卫星高速数传系统的功率和带宽资源日益宝贵。
With the fast increasing information capacity and data rate requirement, the resource of power and bandwidth within satellite high data rate transmissions is becoming more and more tight.
研究了QC-LDPC码的量化译码，针对高速率的光纤通信系统，仿真验证了量化范围和量化精度的对译码性能的影响。
Quantization decoding of QC-LDPC codes is studied. We simulated the decoding performance which is affected by quantitative precision and the scope of quantization.
研究了QC-LDPC码的量化译码，针对高速率的光纤通信系统，仿真验证了量化范围和量化精度的对译码性能的影响。
Quantization decoding of QC-LDPC codes is studied. We simulated the decoding performance which is affected by quantitative precision and the scope of quantization.
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