Secondly, we propose a new method based on hidden Markov models and video images to predict channel fading.
其次,我们基于隐藏式马尔可夫模型与影像讯号提出了一个新的通道衰落预测方法。
Simulation results demonstrate that the proposed method offers higher detecting performance and is capable of combating both channel fading and multiple-access interference.
仿真结果验证了本文方法具有良好的检测性能,可以在克服信道衰落的同时抑制多址干扰。
The fading correction and its corresponding calculation method were specially introduced in this paper for improving the accuracy of the environment cumulate kerma.
为了提高环境累积比释动能的测量准确度,特别介绍了环境剂量计的衰退修正及其计算方法。
The method was based on the catalytic effect of nitrite ion on the oxidation fading reaction of methyl orange and bright green with potassium bromate as oxidant in phosphoric acid medium.
在磷酸介质中,利用亚硝酸根催化溴酸钾氧化亮绿和甲基橙褪色的指示反应,建立催化光度法测定痕量亚硝酸根的新方法。
The pneumatic inoculation can overcome inoculation fading, and therefore is an ideal and effective inoculation method.
可完全克服孕育衰退,是一种理想的、十分有效的孕育方法。
The mean acquisition time of the FSASE method is derived by the generating function flow graph technique for the fading channel.
文中采用生成函数流图法推导出了衰落信道下FSASE算法平均捕获时间的闭式解。
Relying on basis expansion model, this paper presents a differential space-time modulation method for flat rapidly fading channels.
利用基扩展模型,针对平坦快衰落信道提出了差分空时调制方法。
A combined channel estimation method of time-frequency-selective fading channels in MIMO-OFDM systems was proposed.
提出了一种适用于时间频率选择性衰落信道的MIMO - OFDM系统的组合信道估计方法。
Conventional method in radio propagation prediction is based on the fading channel models, with the aid of computer, mass of data were analyzed to make the propagation model localization.
常用的电波传播预测方法,一般是以路径损耗为预测模型,结合大量的测试数据,利用计算机进行辅助分析,实现传播模型本地化。
The simulation indicates that this method defends the multipath fading effectively.
该方法这样可以更合理地使用多径特征,有效对抗多径衰落。
A new group of adaptive estimation method of Kalman filter fading factor was developed.
提出了一种衰减记忆卡尔曼滤波中衰减因子的自适应估计方法。
OFDM is a modulation method which was often used in the channels. It has better capability against the fading and can realized parallel transmission.
正交频分复用调制(OFDM)是一种信道利用率很高的调制方式,具有良好的抗衰落能力,可实现并行传送。
A new method of unitary space-time constellation, which can improve the influence on block error rate by fast fading, is designed based on a systematic method.
在系统化酉空时星座设计方法的基础上,提出了一种抗信道快变的酉空时星座设计方案。
This paper analyzes the parallel estimation method of the fast fading channel in the present of impulse noise.
该文分析了在存在噪声干扰的情况下,进行估计快衰信道的方法。
A kinetic method for the direct determination of CO_2 in gaseous phase is proposed, based on fading the phenolphthalein when CO_2 dissolves in dilute aqueous solution of NaOH.
本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。
A kinetic method for the direct determination of CO_2 in gaseous phase is proposed, based on fading the phenolphthalein when CO_2 dissolves in dilute aqueous solution of NaOH.
本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。
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