• Probability statistics for multipath delay of multi-frame was introduced to improve the performance of multipath estimation.

    引入帧联合统计提高时延估计精度

    youdao

  • Based on the idea of frequency domain subspace, a multipath delay estimating method for aperiodic spreading system is proposed.

    基于子空间思想,给出了一种适用于非周期扩频系统多径时延估计方法

    youdao

  • Based on the analysis of multipath delay, combine the experiment experience of foreign research with domestic practical circs, this paper brings up assumption of experiment.

    对多时间延迟分析基础上,结合国外研究多径效应的实验经验国内实际条件,提出了研究多效应实验的设想

    youdao

  • Reasoning more than one multipath delay formulas simulate them repeated calculation contrast the numerical value, gained two modified mathematic models which are more approach the experiment result.

    对已有多径时间延迟模型进行仿真分析,重新推导、反复计算、多个公式对比得到了两个实验结果更加接近修正数学模型。

    youdao

  • Multipath time delay estimation is constrained by the width of the signal correlation function when using correlation method.

    采用相关估计时间延迟时,多时延分辨率受到相关函数主(?)宽度限制

    youdao

  • Multipath routing protocols can improve the robustness of routing, provide load balancing and perform better bandwidth and delay of data transmission.

    多径路由协议能够有效提高路由健壮性进行负载均衡提高数据传输的带宽,降低数据传输延迟

    youdao

  • We investigate the channel estimation algorithms based on tracking multipath time delay, a low complexity multipath time delay estimation method is proposed.

    论文研究基于时延跟踪信道估计方法提出了一种复杂度的多径时延跟踪方法

    youdao

  • The statistic model of air-ground radio communication channel is characterized by the multipath fading, Doppler power spectrum and delay power spectrum.

    空地通信信道主要统计特性包括多径衰落特性、多普勒功率时延功率谱。

    youdao

  • To this end the current multipath estimation delay locked loop(MEDLL) was investigated and improvements were proposed based on the zero-point fixed principle.

    为了消除扩频系统中的多干扰,文章基于稳态零点不变的原则对多径估计延迟锁相MEDLL进行研究改进

    youdao

  • This multipath time delay estimation approach based on adaptive parameters approach can be used to location targets in sonar and radar system.

    时间延时估计方法用于声纳雷达系统目标定位

    youdao

  • Following, code tracking confirm the PN code phase precisely and track every multipath component's delay drifting due to Doppler effect.

    同步跟踪则由多跟踪的结果精确估计PN序列相位实时跟踪信道成分由于多普勒效应产生时延漂移

    youdao

  • In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.

    本文利衰落模型下,研究了高频电离层信道多径时延多普勒频移随机特性

    youdao

  • Channel delay estimation via pilot sub-carriers is used to provide accurate frame synchronization in multipath channels.

    利用有限的频信号进行信道延迟估计从而获得准确符号同步

    youdao

  • Taking into account the noises correlated with signals, multipath time delay estimation based on adaptive parametric approach using third-order cumulants is proposed in this paper.

    存在背景噪声干扰的情况下,本文提出了一种基于累积量的自适应参数型多径时延估计方法

    youdao

  • Accurate time delay estimation of overlapping fading multipath components is vital for many systems, particularly for positioning technologies.

    多径分量重叠衰落下精确时延估计很多系统而言都非常重要,对于定位技术更是如此。

    youdao

  • This paper introduces briefly the frequency response, damage parameter of two-ray multipath model and the relationship between multipath time delay, antenna height and communication distance.

    在微波视距通信中通常采用模型来描述信道,简要介绍了二径模型频率响应损伤参数以及多径时延天线高度、通信距离关系

    youdao

  • In multipath propagation model, arrival Angle, delay and strength received by an antenna array for same signal source are estimated.

    利用天线阵列同一信号经过多径传输到达终端时间时延角度强度进行了联合估计。

    youdao

  • Then, based on the multipath model, this thesis analysed and researched the time delay algorithm based on the weigthed fractional lower order covariance and the weigthed non-linear transformation.

    其次多径时延模型基础上,本文分析研究了加权分数协方差时延估计方法基于加权非线性变换的时延估计方法。

    youdao

  • Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.

    TTIB透明带内导音)及FFSR前馈信号再生技术一种可抗无线信道时延及谱勒频移引起信号衰落的技术。

    youdao

  • Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.

    TTIB透明带内导音)及FFSR前馈信号再生技术一种可抗无线信道时延及谱勒频移引起信号衰落的技术。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定