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建立信号
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  onset signal
     A time delay estimation method based on onset signal and CSP is proposed, it's robust to noise and reverberation.
     最后给出基于建立信号模型和互功率谱相位的时延估计方法。 该方法对噪声和混响均具有很强的鲁棒性。
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  “建立信号”译为未确定词的双语例句
     The research shows that it is very effective to remove the noise from the vibration signal by using Kalman filter on the condition of the signal model that is created by using AR coefficient coming from Levinson-Durbin algorithm.
     研究结果表明:利用Levinson-Durb in算法获得AR系数建立信号模型,再通过Kalm an递推能够有效地剔除振动信号噪声。
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     The DSP mainly do the job of pretreatment and the control of the controller, during the pretreatment, it will realize A/D conversion, wave filtering, FFT and construct the mapping relation of amplitude and phase and the coordinate (x, y) of scanning sensors.
     数字信号处理器主要完成信号的预处理以及对采集系统和控制系统进行控制。 在预处理过程中,主要完成对信号进行A/D转换、滤波、快速傅立叶变换,以及建立信号幅值、相位和扫描座标(x, y)的映射关系,建立信号点和扫描点的关系,为成像做准备。
短句来源
     It is based on the observation that the signal energy of the transient voltage response to a given contingency rises asymptotically with the increasing power to its limit.
     它的基础是认为在给定故障条件下,暂态电压响应的信号能量将随着功率增加而渐近增长,其渐近线对应于暂态稳定极限,从而建立信号能量 与传输功率和稳定极限的解析函数关系。
短句来源
     Firstly, a novel criterion of signal subspace fitting is derived.
     推导出信号子空间拟合一个新的基本公式,进而建立信号子空间拟合一个新的准则函数。
短句来源
     Applying Signaling Game, this chapter establishes its Model of Signaling Games and analyses its adverse selection and market equilibrium as well.
     通过建立信号传递博弈模型,分析了企业产权交易定价的逆向选择和市场均衡问题,提出了防范逆向选择,实现有效市场均衡的政策建议;
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  相似匹配句对
     (see chapter two) Based on J.
     建立在J.
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     t for C. t culture.
     建立C.
短句来源
     Establishment of suc2 Signal Sequence Trap System
     信号肽捕获系统的建立
短句来源
     The Establishment of MRI Signal Format on Different Kinds of Bronchogenic Carcinoma
     肺癌磁共振信号模式的建立
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     Signal transduction of ataxia-telangiectasia
     AT的信号传导
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A computers-aided method based on the signal-action state chart is developed for designing pneumatic sequencing circuits. A program is made in BASIC language and carried out on a microcomputer. This program is able to design the sequencing circuits for the multi-cylinder single-reciprocating pneumatic system. Verified by examples the new method has proved to be fcssible, effective and accurate.

建立了信号—动作状态图法设计气动逻辑控制系统的计算机算法.用BASIC语言编制了程序,在微型计算机上实现.本程序能解决多缸单往复气控系统逻辑设计问题(包括无并列动作及有并列动作两种情况),通过例题验证,本程序具有解题准确、高效、实用的特点.

This paper gives detailed analysis about some important problems in mea- surement procedure of mobile radio signal,such as the length of measurement section,sample separation in space,and repeated measurement times.Based on data statistics,M distribution (when m=0.8) is developed as an experimental model of fast fading.It is necessary and sufficient to get 44 samples in the measurement sec- tion of 45 wavelengths.It is also necessary to repeat measurement 4 times in every section for obtaining the result of...

This paper gives detailed analysis about some important problems in mea- surement procedure of mobile radio signal,such as the length of measurement section,sample separation in space,and repeated measurement times.Based on data statistics,M distribution (when m=0.8) is developed as an experimental model of fast fading.It is necessary and sufficient to get 44 samples in the measurement sec- tion of 45 wavelengths.It is also necessary to repeat measurement 4 times in every section for obtaining the result of 90 percent confidence interval and less than 1dB error in estimate.

本文以专门的电波传播实测数据为基础,根据数理统计与电波传播理论,对移动通信场强测试应采用的测试区间长度、样本间隔、重复测量次数等问题进行了严格的误差分析.根据实测数据分析建立了信号衰落幅度概率分布的经验模型,并据此对国外专家的有关结论进行了修正.提出了在45个波长为长度的测试区间内,以一个波长的间隔均匀抽取样本,并重复测量4次的测试方法,作为对场强测试方法标准化的探讨.

This paper utillizes the Total Least Square method to decompose the data augmented matrix from spatial array's forward and backward linear prediction equticns into singular values and vectors to erect Signal and Noise Subspace.On the norms of minimum F-norm of error augmented matrix, it is proved that the augment-order forms of prediction equation coefficients locate Noise Subspace exactly.It is proved by the perturbation analysis of Signal Subspace that the performances of the method presented here are better...

This paper utillizes the Total Least Square method to decompose the data augmented matrix from spatial array's forward and backward linear prediction equticns into singular values and vectors to erect Signal and Noise Subspace.On the norms of minimum F-norm of error augmented matrix, it is proved that the augment-order forms of prediction equation coefficients locate Noise Subspace exactly.It is proved by the perturbation analysis of Signal Subspace that the performances of the method presented here are better than the improved spatial smoothing techniques.Theory and simulation results have proved and certificated that this method is able to excellently resolve the coherent signal sources of lower ratio of signal and noise.

本文利用全最小二乘方法,对空间阵元前、后向线性预测方程的增广矩阵进行奇异值分解,建立信号、噪声子空间,在误差增广矩阵F范数最小的准则下,证明了预测方程系数矢量的增阶形式刚好位于噪声子空间内。信号子空间的扰动分析表明,这种方法优于修正的空间平滑方法。理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。

 
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