This paper deducted the OFDM capacity in the time-varying spectrum selective channel,analyzed the influence of sub-carrier spacing to spectrum efficiency,and proposed the method of adaptive sub-carrier spacing to maximum spectrum efficiency.
随着无线技术的发展,对正交频分复用系统的频谱效率要求越来越高,子载波间隔是影响系统频谱效率的主要因素。
NMR CPMG T2 measurements were performed on the sandstone cores from east oilfield,South China Sea,at multiple echo spacings at 100% brine saturated state.
对来自南海东部油田的100%饱和盐水的砂岩岩心进行了变回波间隔的实验室NMRT2测量,随着回波间隔的增大对实验观测到的两种不同的T2分布的移动进行了理论上的分析和解释。
Research on Spectrum Efficiency Maximizing of OFDM System
子载波间隔自适应OFDM系统研究
Fine carrier synchronization algorithm based on similar property of the guard interval
基于保护间隔相似特性的载波细同步算法
"For radio transmission, information is imparted to a carrier wave by varying (modulating) its amplitude, frequency, or duration."
用于无线电传输时,信号用载波传送,通过改变(调制)载波的振幅、频率或间隔来实现。
Such wave fronts are seperated from one another by one-half wavelength.
这种波阵面彼此间隔半个波长。
Isolation Study for the European Manned Space Infrastructure
欧洲载人空间基础设施的隔离研究 (隔离研究)
headway between vacant taxis
无载客的士出现的相隔时间
It's fluctuating in systematic intervals along the ultra-low frequency.
它随着超低频产生有系统间隔的波动
The second is the sequence of the reflections and their spacing.
第二个是这个反射波系及其间隔。
The spacing of reflections is of more doubtful reliability.
反射波系的间隔不是很可靠的。
Research on the Interchannel Isolation of LTCC Integrated Filter
LTCC滤波器路间隔离问题的研究
Study on the Carrying Capacity of Daqin Line Based on the least Interval Method;
基于最小间隔法的重载运输通过能力研究
The QRS Waveform of Pacemaker Electrocardiogram Study in Patients with Right Ventricular Septal Pacing
右心室间隔部起搏心电图QRS波形态分析
Empirical Study on Discrete-time Interval between Extreme Volatilities of Futures Return Rate
期货收益率极端波动离散间隔的实证研究
Research and Achievement of Symbol Spaced Equalizer Based on DTMB
基于DTMB的波特间隔均衡器的研究及实现
Inter-Carrier Interference Cancellation for OFDM Systems;
OFDM系统中载波间干扰的消除方案
Study on ICI Cancellation Algorithms for OFDM Systems
OFDM系统中载波间干扰抑制技术研究
Research on ICI Mitigation Algorithm in OFDM Systems
OFDM系统中子载波间干扰抑制算法研究
Intercarrier interference cancellation for MIMO-OFDM systems
MIMO-OFDM系统中的子载波间干扰消除