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feijicontrol
- 飞行控制系统方案。整个系统由传感器组、飞控计算机、任务管理计算机、舵机、表决电路等主要部件和电源、外总线、通信设备、地面站等辅助设备组成。无人机、起落架、发动机、任务设备、燃油系统、环控系统等是被监控对象。其中，关键传感器采用相似或者非相似三余度；飞控计算机采用“主备备”式三余度飞控机算机；舵机采用二余度电动舵机；表决逻辑由高可靠性单余度数字逻辑电路和双路开关实现。-Flight Control System program. The entire system is composed of s
ofdm
- 正交频分复用（OFDM，Orthogonal Frequency Division Multiplexing）是一种多载波数字调制技术，也可以被当作一种复用技术。具有频谱利用率高、抗多径干扰等特点，OFDM系统能够有效地抵抗无线信道带来的影响，例如信道的频率选择性衰落，脉冲噪声和共信道干扰的影响。本文主要介绍了OFDM原理的相关知识。-The Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Divisi
OCDMAbase
- base of optical code division multiple axces
OCDMA
- optical code division multiaxces
capacitymimo
- This paper deals with the capacity behavior of wireless Orthogonal Frequency Division Multiplexing (OFDM)-based spatial multiplexing system when considering realistic channel delay profiles. In both the SISO and the MIMO contexts, we compare the
Overview_of_the_3GPP_Long_Term_by_freescale
- Freescale关于3GPP LTE PHY层的说明，包括OFDM、MIMO等内容。-This technical white paper provides an overview of the LTE physical layer(PHY), including technologies that are new to cellular such as Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input M
Strategic-research-plan(2011-2015)
- This Research Strategy consists of outline summaries of the Division’s core research in atmospheric model development and evaluation, as well as three major application areas in which air quality models are used for human exposure, ecosystems exposur
PHP
- 在昨日举行的“2011TD-LTE组网技术研讨会”上，工信部科技司调研员叶林表示，我国3G用户已经突破8000万户，其中TD-SCDMA用户占比超过1/3。作为TD-SCDMA的后续演进技术，TD-LTE迎来了历史性的发展机遇-At yesterday' s " 2011TD-LTE network technology seminar" , the Ministry of Science and Technology Division, said researcher Y
biyesejitognxinxitong
- 中文摘要 正交频分复用（ OFDM ， Orthogonal Frequency Division Multiplexing）是当前一种非常热门的通信技术。它即可以被看作是一种 调制技术，也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱 利用率高的特点，因此被广泛应用于高速数字通信领域，比如应用于IEEE 802.11a无线局域网（WLAN）的物理层等等。 我的毕业设计的核心任务是：采用 FPGA 来实现一个基于OFDM 技术 的通信系统中的基带数据处
1
- 经过二十余年的快速发展， 空间激光通信的研究重心逐渐从高精度ATP分系统向高速 率通信分系统转移 紧密跟踪空间激光通信的国际发展最新动态，从通信带宽和链路功率两个方面， 针对通信发射单元、接收单元和信道特性，分析了提高空间激光通信传输速率的技术难度与途径．分 别阐述了波长1 550 nm、基于EDFA 功放和前放技术，空间相干技术，光偏振复用技术．光波分复用 技术的基本原理、性能指标及关键技术，为高速率空间激光通信提供了技术参考-After more than 20 years
ATC
- 本PPT是根据项目的需求，给项目组讲解的关于空管方面PPT，主要讲解了空域的划分，各个空域的范围、管制员职责。终端区定义，扩展终端区定义，整个飞行航段的过程，任务、注意事项等。-The PPT according to the needs of the project, to explain to the project team about ATC, PPT, mainly on the division of the airspace, the scope of the various ai
cache-division
- 一种面向多核处理器粗粒度的应用级Cache划分方法-Cache partitioning an application for multi-core processors coarse-grained level
jisuanqi
- 简单计算器 适用于初学者期末设计 可以实现简单的加减乘除运算 另外 用vector和线程的概念写出的代码 可以处理优先级问题 从而计算一个表达式-Take more than a simple calculator for beginners final design can achieve simple addition and subtraction, multiplication and division brackets operations
TR
- 关于降低正交频分复用系统中峰值平均功率比降低的方法中最新的音频保留算法最新文献资料-On reducing orthogonal frequency division multiplexing with a peak to average power in the system than the method of reducing the latest audio retention algorithm latest literature
Synergistic-execution
- 关于GPU的划分算法，此算法是最优划分算法-GPU division algorithm, this algorithm is optimal partitioning algorithm
553-1504-1-PB
- Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation and multiplexing technique proposed for 3G, 4G LTE-A systems to achieve higher data rates with better spectral efficiency at low latency. Time varying nature of the wi
2512ijcsa01
- As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate tr
WDM-filter-transceivers
- 我们设计和实验证明 布拉格光栅波分复用器 三波长的平面光波电路复用 公交车站台。1310和1550 nm的光，被设计成 由一个半周期通过定向耦合器分离后 和一个完整的周期耦合作用与0.07和0.19分贝的损失， 分别。1492 nm的光反射回来的布拉格 光栅对定向耦合器及其制作少损失 超过2分贝。我们也介绍和讨论新概念
pow_protocol
- 国家电网科〔2012〕414号智能高压设备技术导则及通信的详细规约-National Grid Division [2012] No. 414 intelligent high-pressure equipment technical guidelines and detailed communication protocol
Division-of-memory
- 结合内存分布图分析内存问题&C++内存划分，从内存问题的原因及分类着手进行剖析-Combined memory maps to analyze memory problems & C++ memory division, proceed from reason and classification to analyze memory problems