• 矢量方式控制电机传感器采样信号

    Sampled datum of motor and sensor are processed with vector.

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  • 方法分析了带通采样信号频谱规律,导出了低速采样频率的选取公式

    MethodsAnalyze spectrum of the sample signal and propose the formula of common sample frequency in low speed.

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  • 针对电力系统采样信号提出一种采用不同采样频率广义形态滤波方法

    A generalized morphological filtering method using different sampling frequencies is proposed for sampled power system signal.

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  • 采样信号每一数据(个小方块)10.23代表模数转换

    Each data point (represented by a square) on the sampled signal in Figure 10.23 represents one analog-to-digital conversion.

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  • 本文根据通常的DFT处理,研究出一种适用于不等间隔采样信号处理的方法

    A method for processing unequally spaced samples, derived from conventional DFT, is presented.

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  • 通过DDS芯片AD9851来产生相对于输入信号64倍频的高精度采样信号

    Through the DDS CMOS chip AD9851, the system produces a 64 points sampling signal.

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  • 实验结果表明方法能够有效地消除采样信号中的噪声进而提高扭矩计算精度

    Experimental results show that the method is able to kill the noise effectively in sampled signals and then to improve the computational accuracy of torque value.

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  • 滤波器通过处理输入离散采样信号获得连续信号抑制谐波噪声改进过零测方法

    The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.

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  • 中空电热辊温度采用接触性采样采样信号反馈调节仪表组成自动调节系统

    The spatial contact roller USES the non-contact sampling, and the sampling signal feeds back to the regulation meter. And the regulator system was composed.

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  • 提出传统择大判决基础上,码元累加方法中频采样信号直接进行同时解扩解调

    A new algorithm based on the traditional maximum-selection method is proposed. This method despreads and demodulates the IF sampled signal simultaneously by multi -symbol accumulation.

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  • 全波傅氏算法基于周期信号推导出来的,当采样信号含有衰减直流分量时将会产生误差

    The decaying DC component in the sampling signal will bring errors to the full-wave Fourier algorithm, which is derived with periodic signal.

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  • 利用一概念选取合适采样参数对测量信号进行采样实现采样信号同待信号相位相关

    Selection of proper parameters on the basis of this conception to sample the signal can realize the phase correlation between the sampling signal and the measured signal.

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  • 根据设备系统噪声测噪声的统计特性,对采样信号运用卡尔曼滤波技术,提高了测量精度

    By measuring equipments' noise and estimating its value through Kalman filter, the accuracy of the equipments was effectively enhanced.

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  • 等效采样技术一个经济行之有效选择,进行等效采样的前提是被采样信号必须是周期信号

    At the same time, the expense of the system based on parallel process technology is high, while equivalent sampling technology is economical and effective.

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  • 方法数字差分滤波采样信号进行处理提高了信号中的定时分量从而加快了算法收敛速度

    In this algorithm, the digital differential filtering (DDF) is used to process the sampled signals, the timing component of signal is improved, and therefore the convergence speed is quickened.

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  • 通过对红外水分仪实际采样信号滤波试验一般平均滤波算法相比较证明具有更好的滤波效果

    Through the filter experiment on the actual sampling signal, and compares with the common average filter algorithm, it proved the wavelet analysis algorithm has better filter effect.

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  • 在进行超声波传播时间检测,对采样信号进行数字滤波算法更好消除噪声影响提高检测精度

    Before test the ultrasonic propagation time, we also use the digital filtering algorithm in the sampled signal to better eliminate noise and improve accuracy.

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  • 通过采样方法处理后采样信号,使动态轴重汽车保证其称量1%精度提高称重过车速度

    By choosing sampling signals by the way of the over-sampling, the metrical speed of dynamic automotive metrical can be increased when holding the accuracy of weigh-in-motion within 1%.

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  • 提出种通用性强、适用于广义平稳随机过程均匀采样信号谱分析的方法——采样间隔统计分析法。

    A new method, the sampling interval stat. analysis method, was set up to analyze the non-uniformly sampling signal of the wide-sense stationary random processes.

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  • 本文提出滤波滤波、均值滤波结合使用方法,并提出如何确定数字滤波器采样信号采样间隔

    This paper presents the using methods of combing limit range filter with middle value filter and average value filter and how to determine the sampling interval of the digital filters.

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  • 本系统采用了AT 91rm 9200作为主控芯片实时将采样信号传输PC工作站,供PC工作站分析

    It USES AT91RM9200 as its main control chip, and transmits vibration signal to the PC work station which analyses the signal in real time.

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  • 文章介绍了一个港口门机故障检测系统着重讨论了采样信号预处理基础,通过规则推理进行故障分析的方法

    This paper introduces a fixed crane faults diagnosis system used in port, and focuses on the method of inferring rule based on the pretreatment of sampling signal.

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  • 一个采样时间不固定,且采样信号带有噪声应用实例中,采用步长的跟踪微分器预报方法得到了较好的结果

    In a practical example, a good result is obtained by the adoption of step-varying TD and predicting under the condition of sampled signal with noise and sampled time varying.

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  • 一个采样时间不固定,且采样信号带有噪声应用实例中,采用变步长的跟踪微分器预报的方法得到了好的结果

    In a practical example, a good result is obtained by the adoption of step-varying TD and predicting under the condition of sampled signal with noise and sampled ti...

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  • 采用快速傅立叶变换(FFT)进行电力系统谐波分析时,需要对采样信号截断离散化,从而导致频谱泄漏栅栏效应

    Fast Fourier Transform (FFT) is inevitable to cause the spectrum leakage and fence effect because of truncation and discreteness in signal collection.

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  • 设计了以C8051F 060混合信号微控制器核心数字信号检测系统,实现其采样信号调制信号相位关系保持

    An all digital signal detecting system using C8051F060 as its core was completed. It can maintain the phase relation of sampling signal and modulating signal.

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  • 本文首先得到均匀冲激串采样信号FRFT,然后在此基础导出了FRF T域上信号低通信号采样定理重构公式

    In this paper, we first obtain the FRFT of the uniform impulse-train sampled signals, and based on it, we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT.

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  • 采样保持电路设计采用了电容极板采样技术不仅有效地避免电荷注入效应引起的采样信号失真而且消除时钟通效应的不良影响。

    The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed-through.

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  • 介绍滤波器组重构多阶采样信号原理并且利用多阶采样特殊的重构原理以及降低采样率上的优势,介绍了多阶采样频率选择应用

    By using the special reconstruction principle and the superiority in decreasing sampling frequency, the application of periodically nonuniform sampling in frequency selection is also presented.

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  • 通过沿时间轴对采样信号加窗的方式构造向量集合,利用余弦相似度进行向量亲合度匹配计算,实现实数进行匹配计算的数值负向选择算法

    The matching affinity between two vectors was measured using cosine similarity to develop a real-valued negative selection algorithm with the matching calculation in the real domain.

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