• Identifying a list of core tasks will help you call out all the other details in your planning phase, project plan, estimation, and tracking.

    确定核心任务的列表将有助于您列出计划阶段、项目计划、评估和跟踪中的所有其他细节。

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  • Since the Project List artifact produced during this phase contains recommendations to commence specific implementations, more rigorous estimation than in phases a and B is required.

    由于在这个阶段的产物包括开始具体实施的建议,因此需要比阶段A和B更加严格的评估。

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  • Unlike the waterfall approach, RUP relies more heavily on expertise-based estimation, especially during the Inception phase.

    不像瀑布方法,RUP更加依赖于基于专家经验的评估,特别是在开始阶段。

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  • A presence detection algorithm based on the estimation of cyclic frequency for Phase Shift-Keying (PSK) signals in additive white Gaussian noise (AWGN) is proposed in this paper.

    根据信号的循环平稳特性,本文提出一种加性高斯白噪声信道中基于循环频率估计的PS K信号存在性检测算法。

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  • The results of simulating tests show that this phase estimation method is feasible and it could be practically used after some improvements are made.

    模拟试验结果证明,这种相位估计方法是可行的,经过若干改进后可付诸实用。

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  • Nonstationary phase estimation: a tool for seismic interpretation?

    非稳定相估计:一种用于地震解释的工具?

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  • By combining it with the rank one phase estimation algorithm, improvement of both accuracy and efficiency can be obtained by overcoming the weakness that ROPE is sensitive to initial value.

    通过将其与秩一相位估计法联合使用,克服了秩一法对初始值敏感的缺点,提高了补偿算法的精度和效率。

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  • In this paper, a new frame synchronization and phase offset estimation method is presented, the implementation scheme is also applied.

    提出了一种新的帧同步及相偏估计方法,并给出了系统实现的方案。

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  • An algorithm suitable for carrier phase and frequency offset estimation in software radio is proposed.

    提出一种适合软件无线电的载波相位和频差估计算法。

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  • A time delay estimation algorithm and theory based on phase function were studied.

    研究了基于相位谱的时间延迟估计原理及其算法。

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  • Significant results in the key technologies of OFDM, such as carrier synchronization, channel estimation, phase noise and so on have achieved in theory and practice.

    有关OFDM的关键技术,如载波同步、信道估计、相位噪声等,在理论和实践方面均取得了很显著的成果。

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  • The method of phase data time delay estimation based on high order spectrum is put forward.

    本文提出了一种利用高阶谱相位数据进行时延估计的新方法。

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  • When using Kalman Filter to track a target, estimation of the initial state of the target is an important factor influencing tracking precision in the initial phase.

    采用卡尔曼滤波器对目标进行跟踪时,目标初始状态估计是影响初始阶段跟踪精度的一个重要原因。

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  • In order to deal with the problem of the estimation of image registration parameter, this thesis ADAPTS the way of combining the methods of phase correlation and template matching.

    针对图像配准中的亚像素参数估计问题,提出了一种相位相关和模板匹配相结合的方法。

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  • In this paper, the method to carry out the joint estimation to the message and channel processes is applied so that an optimal nonlinear phase estimator can be built.

    本文采用对消息和信道过程进行联合估计的方法,以建立最佳非线性相位估计器。

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  • DOA estimation algorithm based on eigenvalue decomposition is very sensitive to phase error of array signal.

    基于特征值分解的DOA估计算法对信号的相位误差非常敏感,因此有必要对阵元位置误差进行校正。

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  • A single carrier modulation scheme suitable for use in high frequency communication systems is provided that achieves improved residual frequency error and phase noise estimation.

    提供了一种实现改进残留频率误差和相位噪声估算的、适合于在高频通信系统中使用的单载波调制方案。

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  • Numerical results demonstrate that the phase variations caused by multipath time delays may influence accuracy of the mean of time synchronization error spectral estimation.

    数值计算结果表明,多径分量的相位变化会影响时间同步误差谱估计均值的准确性。

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  • To improve the range measurement accuracy a range estimation method for FMCW level radar based on the phase of the FFT of the beat-note signal is presented.

    为了提高FMCW雷达的距离测量精度,提出了一种基于差拍信号相位的距离估计方法。

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  • The rank one phase estimation (ROPE) algorithm is a good estimator for phase error widely used in SAR.

    秩-相位估计(ROPE)是一种性能较好的相位误差估计器,正被广泛地应用于SAR图像处理。

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  • Autofocus generally encompasses two distinct steps, i. e. phase error estimation and phase error compensation.

    自聚焦主要由两个重要步骤组成,即相位误差估计和相位误差校正。

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  • If the scatter selected in phase gradient algorithm(PGA) algorithm is not isolated, the accuracy of the phase error estimation will be degraded.

    当相位梯度算法挑选的散射点不是孤立散射点时,导致相位误差估计的准确性下降。

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  • With improved phase estimation method, a carrier signal phase with phase noise can be estimated, while loop SNR also increases.

    并采用新的相位估计方式估计含相位噪声的载波相位,提升了该条件下的环路信噪比。

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  • In this paper, a new method of phase errors estimation based on higher order statistics is proposed for SAR imagery autofocus.

    提出了一种基于高阶统计量分析的相位误差估计算法,用于SAR图像自聚焦。

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  • Assuming white noise reflectivity and minimum phase wavelet, the estimation of them simultaneously by linear inversion algorithm is studied.

    在反射系数白噪、子波最小相位的假设下,研究基于线性反演的地震反射系数和子波同时估计问题。

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  • To improve the phase error estimation precision and speed, modified iteration step is used, resulting in more effective application of COAA.

    通过对COAA算法采用变步长迭代提高二次相位误差估计的精度和速度,增强算法的实用性。

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  • Aiming at the phase ambiguity of the blind channel estimation in frequency domain, a blind channel estimation method in frequency domain based on dissymmetrical modulation constellation was proposed.

    针对频域信道盲估计的相位模糊问题,提出了基于非对称调制星座的频域信道盲估计方法。

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  • Phase Weighted Estimation PGA(PWE PGA)is suggested which takes into consideration the range dependent phase error, so the PGA can be used in more fields.

    加权相位梯度自聚焦(PWEPGA)算法考虑了距离变化对相位误差的影响,扩展了PGA算法的应用范围。

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  • Phase Weighted Estimation PGA(PWE PGA)is suggested which takes into consideration the range dependent phase error, so the PGA can be used in more fields.

    加权相位梯度自聚焦(PWEPGA)算法考虑了距离变化对相位误差的影响,扩展了PGA算法的应用范围。

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