This thesis focuses on physical layer adaptive transmission techniques, especially the key of adaptive algorithm in SC-FDE system -Bit-loading, which is based on similar algorithms in OFDM system.
本文的主要工作是研究单载波频域均衡(SC-FDE)系统中的自适应算法的关键技术——比特加载,这些算法是在研究SC-FDE系统本身特点和正交频分复用(OFDM)系统中自适应算法的基础上提出的。
The problem of bit loading is addressed for MIMO-OFDM systems where spatial subchannels are multiplexed.
研究空间子信道用于复用时MIMO-OFDM系统的比特加载问题,以系统传输速率极大为目标,在误码率和功率约束下根据延时的信道状态信息在所有子载波的空间子信道上加载比特。
The algorithm, which involves adaptive sub-carrier allocation and bit loading with equally power allocation, adopts a grouping technique rather than the sub-carrier swapping.
算法使用分组代替迭代计算,摒弃复杂的子载波交换操作,以极低的复杂度实现了等功率下的自适应子载波分配和比特加载。
A margin adaptive bit loading scheme is proposed for the orthogonal frequency division multiplexing systems,where channel reciprocity is unavailable and the feedback rate from the receiver to the transmitter is limited.
提出基于有限反馈的OFDM系统余量自适应比特加载策略。
From the viewpoint of Archetypal,however,the tragedy of Emily owns lot to Tobe,who is the Negro in her family.
文章从神话原型角度出发对之进行重新解读,认为小说中黑奴托比的形象一直为人们所忽视,而这个人物身上的阴性灵魂及母性是小说悲剧的关键。
Margin Adaptive Bit Loading for OFDM Using Limited Feedback
OFDM系统中基于有限反馈的余量自适应比特加载
Dynamic characteristics experiment study of loading rock based on theory of load/unload response ratio
基于加卸载响应比的载荷岩石动力学特征试验研究
THE TEMPO-SPATIAL EVOLUTION CHARACTERISTICS OF THE LOAD/UNLOAD RESPONSE RATIO BEFORE STRONG EARTHQUAKES IN CALIFORNIA OF AMERICA AND ITS PREDICTING IMPLICATIONS
美国加州地区地震前加卸载响应比的时空演化特征及预测意义
THE CHARACTERISTICS OF LOAD-UNLOAD RESPONSE RATIO BEFORE AND AFTER THE Ms 4.6 DAQIAO RESERVOIR EARTHQUAKE
大桥水库4.6级地震前后的库水加卸载响应比变化特征
The new machine can increase3 times the payload asagainst1988.
新机器的有效载荷比1988年增加了两倍。
Study on the Rock Mechanics Characteristic by Cyclic Load and Statics Load Fit Together;
循环荷载与静载组合加载下岩石的力学特性试验研究
PROPAGATION CHARACTERISTICS OF A CIRCULAR WAVEGUIDE ECCENTRICALLY LOADED WITH CHIRAL MEDIA
回旋媒质偏心加载圆波导的传输特性
Study on Failure and Fragmentation Characteristics of Rock under Static-Dynamic Coupling Loading;
动静组合加载下的岩石破坏特性研究
Study on the Characteristic of Far-infrared Radiation Heating Using Hot Fluid;
流体载热远红外辐射加热特性的研究
Study of deformation of rock salt under cycling loading and unloading
循环加、卸载下盐岩变形特性试验研究
Loss property of CPW phase shifter loaded with capacitor
电容加载共面波导移相器的损耗特性
The Relationship between the Rock Blasting Fragmentation and it's Acoustic Properties
岩石爆炸加载破碎特性与其声学特性关系
The reasonable axial compression, load angle and the ratio of stirrup of special-shaped columns are gained from the contrastive analysis.
通过对比分析,得出了异形柱比较合理的轴压比和加载角度。
For the multiaxial proportional loading, the dispersion degree of fatigue cracks was low.
在多轴比例加载条件下,裂纹分布的分散性较小。
Study on Mechanism and Influencing Factors for California Bearing Ratio Tests
加州承载比试验作用机理和影响因素研究
Constitutive Theory of Crystal Plasticity under Non-Proportional Cyclic Loading;
非比例循环加载下的晶体塑性本构理论
Study on Reinforcement-curtain Effect and Pile-soil Load Share Ratio of Pile Groups;
群桩“加筋遮帘”效应及桩土荷载分担比研究
Comparative Research on Consolidation Methods of Soft Clay Foudation in FoShan under Embankment;
路堤荷载下佛山市软土地基加固方法比较研究