包括三个模块:模糊等效干扰估计器、神经网络干扰预测器以及模糊呼叫接纳处理器。
The method includes three modules: fuzzy equivalent interference estimator, neural network interference predictor, and fuzzy call admission processor.
系统误码率(BER)的分析显示干扰估计接收机系统的性能要优于传统的接收机系统。
The analysis of bit error rate (BER) indicates that the system with interference estimate receiver has advantage over traditional system.
该方法能准确地进行多径传输情况下的时间延时估计,有效地抑制干扰和噪声的影响。
Multi path time delays are estimated precisely with this approach, and disturbances and noises can be refrained effectively.
在考虑多通道非平稳信号干扰及背景噪声的情况下,提出了基于自适应参数型时间延时估计方法。
Taking into account the multi channels disturbance and noises with the non stationary characteristic, time delay estimation based on adaptive parametric approach is proposed.
利用辅助天线输出中的干扰成分,自适应的调整其加权系数,最大程度的估计出主天线输出中的干扰。
Using an adaptive process, the weights of the auxiliary antenna outputs are adjusted, and the interference in the main antenna output are estimated.
重点讨论了干扰对消过程和信号抑制技术,对几个关键参数的估计进行了分析。
Discuss the interference subtraction process and signal suppression technique. The estimation of several key parameters is analyzed.
通过仿真,研究了这一系统在移动通信环境下的性能,包括信道衰落、信号角度扩散及同频干扰用户等对DOA估计的影响。
We studied the performances of this system by simulations, including the impacts of channel fading, angle spread and co-channel interference on DOA estimation.
结合上述的算法和理论,研究了在强干扰背景下的宽带弱信号源的doa估计。
According to the algorithms and the theories which are said, DOA estimation of broadband weak signal under strong interferences is studied.
利用模糊系统具有以任意精度逼近非线性函数的能力设计FDO对未知干扰和不确定进行估计,并通过鲁棒控制项来提高系统的性能。
Thanks to the approach ability of fuzzy systems, a FDO was used to estimate the unknown disturbances and uncertainties, and the whole system performance was enhanced by a robustifying item.
并运用大量仿真,对本方法在谐波、电压波动等干扰环境下基本频率估计的有效性进行验证。
Finally, the fundamental frequency estimation under different PQ disturbances condition, such as harmonics, voltage fluctuations, etc, is analyzed by simulation respectively.
在多径多址干扰DS CDMA环境中,本文根据空时信号模型,用扩展的盲方法估计用户信道,从而进行盲mmse检测。
In DS CDMA channels with multipath and multiple access interference, this paper estimates blindly the user channel with extended space time channel model to process the blind MMSE detection.
本文将干扰和参数不确定性等效为系统的外界干扰,利用时延性对不确定性进行在线估计,并根据全程滑模的特点采用等效控制方法设计控制器。
The new controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on-line estimation by the mechanism of time daley.
对其中的关键技术:干扰辨识、自适应调制策略和信道质量估计进行了详细的讨论。
The key technology in it, such as interference discrimination, self-adaptive modulation strategy and channel quality estimation are discussed in this paper particularly.
文章介绍了常用的基于干扰温度的探测模型以及频谱估计算法,进行了分析与总结,并且提出了目前频谱探测技术的不足之处。
What this paper tells of, analyzes and summarizes is some common detection model and spectrum estimation algorithm based on the interference temperature.
最后,分析了机车牵引动态模型,并且建立了干扰观测器的粘着系数估计系统。
Finally, the dynamics of locomotive traction are analyzed, and a disturbance observer is used to estimate adhesion coefficient.
由于四阶累积量对高斯噪声和干扰不敏感,从而可提高估计的分辨性能。
Because the fourth order cumulant is insensitive to Gaussian noise or interference, the performance of the estimates can be increased.
最大似然序列检测技术被广泛应用于数字通信系统中来估计通过有噪声的符号间干扰(ISI)信道传输的数字数据序列。
Maximum likelihood sequence detection (MLSE) is broadly use in the digital communication system to estimate the transferred data through the ISI channel with noise.
对系统模型进行了状态最优估计周围的线性化和采样周期的离散化,给出了干扰方程。
Interferential equations are given after system models are transformed around optimization estimate of state to linearization and dispersed according to sampling period.
为了消除扩频系统中的多径干扰,文章基于稳态零点不变的原则对多径估计延迟锁相环(MEDLL)进行研究及改进。
To this end the current multipath estimation delay locked loop(MEDLL) was investigated and improvements were proposed based on the zero-point fixed principle.
本文基于最优估计理论,提出了一种多传感器分散估计融合算法,以解决测量噪声干扰下参数估计问题。
Based on the theory of the optimal estimation, this paper proposes a multi-sensors decentralized algorithm to solve the parameter estimation problems in noise environment.
研究结果表明,基于HHT的涡街频率估计方法,可以精确估计涡街信号频率并提高涡街流量计的抗干扰能力。
Research results show that vortex frequency estimation method based on HHT can estimate vortex signal frequency accurately, and increase the antiinterference ability of the vortex flow meter.
MIMO系统中,由于各天线间干扰以及码间干扰等问题的存在,信道估计性能成为影响系统性能的决定性因素。
The performance of channel estimator determines the performance of the MIMO systems because of the interference between various antennas and the inter-symbol interference (ISI).
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.
仿真结果表明,该方法对于单频、多频和频率变化等情况均具有较好的估计结果,且对于噪声干扰具有较强的鲁棒性。
Simulation shows the algorithm has good results in case of estimating single frequency, multiple frequencies and changing frequency under different SNR, and has robustness for noise inference.
研究了被动雷达单脉冲导引头主波束内存在两噪声调频干扰源时,对两辐射源进行检测并作角估计的方法。
The methods of detection and angular estimation of two sources are studied for passive radar seeker in two jamming sources scenarios.
论文中分析了这种智能天线的工作原理、DOA估计、组阵形式、切换方法和抗干扰能力等问题。
The theory, estimation of DOA, arrangement of array, switching methods and anti-jamming ability of smart antenna are analyzed.
该文提出一种基于门限估计的直接序列扩频(DS - SS)通信系统窄带干扰变换域抑制方法。
This paper proposes a method for narrowband interference suppression in Direct Sequence Spread System (DS-SS).
加权直方图方位估计法能从宽带相干干扰中检测目标,估计目标方位。
The other is weighted bar graph approach which can detect a target in broadband coherent interference and estimate its azimuth Angle.
解决了控制参数与噪声干扰紧耦合时参数估计变慢的问题,可有效地抑制系统时滞、设备性能时变对系统稳定性的影响。
It can solve the problem that parameters estimation will become slow when the process parameters and noise signal are tightly coupled.
解决了控制参数与噪声干扰紧耦合时参数估计变慢的问题,可有效地抑制系统时滞、设备性能时变对系统稳定性的影响。
It can solve the problem that parameters estimation will become slow when the process parameters and noise signal are tightly coupled.
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