periodic sampling
英 [ˌpɪəriˈɒdɪk ˈsɑːmplɪŋ]
美 [ˌpɪriˈɑːdɪk ˈsæmplɪŋ]
网络 周期采样; 周期抽样
双语例句
- Many control systems require periodic sampling and processing.
大量控制系统要求周期性采样与处理。 - The premise of a polling pattern is a periodic sampling of a target metric.
轮询模式的前提是对目标指标的定期采样。 - A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented.
针对周期信号实际的非同步采样，提出一种频谱插值校正的分析法。 - However, the tradition object of equivalent sampling is periodic signal, so it's necessary to improve the equivalent sampling method to adapt to the UWB pulses train after PPM, which changes the intervals of pulses according to PN code.
经过了时间间隔调制的超宽带脉冲串信号已经不是周期信号，而传统的等效采样一般都是以被采集信号的周期为前提的。 - : This article explains two algorithms for improving the accuracy of periodic signal analysis by software synchronization sampling. Through emulative calculating and comparing, it analyses the error caused by each algorithm and provides some suggestions for how to select the right algorithm to AC parameter measurement.
阐述了两种通过软件同步采样提高周期信号分析精度的算法。通过仿真计算和比较，对其误差进行了定量分析，为交流电参量测量选择提供了依据。 - The periodic boundary conditions and Metropolis sampling method were used and the long range correction of Ewald between water molecules was considered.
模拟中采用周期边界条件、Metropolis抽样方法，并用Ewald方法对水分子间电荷作用进行长程校正。 - Reconstruction of periodic signals based on non-uniformity synchronous sampling
基于非均匀同步采样的周期信号重构 - A periodic multi-sampling method and a periodica average sampling method both suitable for five-hole probe measurement are presented. An automatic acquisition and a real-time processing and measuring system with five-hole probe has been developed and used to measure the inlet and outlet flow fields of a centrifugal impeller.
本文提出了适合于五孔探针测量的周期多点采样方法和周期平均采样方法，开发了一套数据自动采集和实时处理系统，并用之于离心风机叶轮进出口流场的测量。 - In the periodic signal digitalization measurement, they will provide sampling parameters selection with theory basis.
在周期信号的数字化测量中，为取样参数的选取提供理论依据。 - A new method for harmonic analysis of periodic signals is introduced, the aim is to realize the harmonic measurement precise in non-synchronization sampling.
介绍了周期信号谐波分析的一种新方法，目的是实现非同步采样条件下周期信号谐波的精确测量与分析； - The method of Modified Fast Fourier Transform ( MFFT) can be used to compute the exact characteristics of the components of a periodic signal when sampling duration is not equal to an integral multiple of the fundamental.
改进的快速富里叶变换的计算方法能够在采样的持续时间不是信号的周期的整数倍时，准确地提供此信号中各周期分量的特性。 - The Measurement Error Analysis of ABS Wheel Speed Signal and Study on Equal Periodic Sampling Method
ABS轮速信号测量误差分析及等周期采样方法研究 - In order to improve the ability of chaotic system detecting weak periodic pulse signals, this paper proposes the detecting scheme uniting sampling integral with chaotic system.
为提高混沌系统检测微弱周期脉冲信号的能力，提出把取样积分与混沌系统相结合的检测方案。 - Compared with other spectra analysis, such as Fourier entropy and periodic picture, this method has many advantages such as no limit to sampling length and higher resolution to the spectra.
与其它谱分析方法（如傅立叶谱和周期图法）比较，最大熵谱分析方法具有不受取样长度限制、对频谱分辨率较高等优点。 - A analytic formula about the measuring value of active power and power factor of periodic signal as a function of the relative frequency deviation and the sampling initial phase ( or time) is derived;
推导出任意电压、电流信号的有功功率、功率因数随相对频偏及采样相位变化的一般公式； - The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。 - On the basis of a non-uniformity synchronous sampling method which is applicable to periodic signal, an interpolation algorithm that restores the original signal using non-uniformity sampling value is derived.
基于适用于周期信号的一种非均匀同步采样方法，推导了利用非均匀采样值恢复原周期信号的内插重构算法。 - Anew approach, named Modified Fast Fourier Transform ( MFFT), is proposed to analyze the components of a periodic signal when sampling duration is not equal to an integer multiple of the fundamentals.
提出了一种改进的快速付立叶变换（MFFT）的计算方法，在采样的持续时间不是信号周期整数倍的条件下，能够准确地提供此信号中各周期分量的特性。 - When measuring the electrical characteristics of periodic signals using intelligent instruments based on the correlation principle, errors caused by non-integer-period sampling cannot be eliminated completely due to hardware restrictions.
利用基于相关原理的智能仪器测量周期信号的各种电参数时，由于硬件条件的限制，非整周期采样所致误差无法被完全消除。 - Because the texel of periodic texture is the patch with the texture's period, here try to calculate the period by direction filter, and then synthesize the periodic texture by sampling with the period.
由于周期性纹理的纹元是以周期为单位的纹理块，该文试图对周期性纹理图像进行方向滤波后找出纹理的周期，然后以周期尺度为采样块的大小和采样间距，进行纹理合成。 - The sampling theory of periodic signals has been studied in this paper. The limitations of Shannon Sampling theorem in its application to the periodic signals have been exposed.
研究了周期信号的采样理论，从理论上揭示了Shannon采样定理在应用于周期信号时的局限性。 - In opto-electric systems, moire artifacts will occur when viewing periodic targets containing spatial frequencies exceeding half of the sampling frequency.
光电成像系统对周期目标欠抽样成像时，由于频谱混淆将产生莫尔条纹式的赝像。 - Principle and Method for Getting the Precise Values of Periodic Signal by Random Sampling
随机采样法求解周期信号精确值的原理和方法 - Such sampled multichannel FBGs can be implemented by modulating the seeding gratings with either a periodic amplitude or phase sampling function or both.
采样布拉格光栅可以通过用周期的振幅采样函数或者相位采样函数对光纤的折射率进行调制来得到。 - Specific to current control problem in APF, the thesis proposes four kinds of current tracking control methods including periodic sampling control, triangle wave comparison control, hysteresis current comparison control and hysteresis control based on space vector.
针对APF电流控制问题，提出了四种电流跟踪控制方法：周期采样控制，三角波比较控制，滞环比较控制和基于空间矢量的滞环控制方法。 - The time domain module and the digital spectral representation of the periodic nonuniformly sampled signal are derived and the influence of sampling nonuniformity on the sampled signal is analyzed.
本文首先研究了周期非均匀采样的原理，给出了周期非均匀采样信号的时域模型和数字频谱的解析表达式，分析了非均匀采样对采样信号频谱的影响。 - In the process of designing the sampling system, the method of periodic non-uniform sampling is researched including sampling realization, sampling theory, reconstruction method, and optimized method of division of sub-frequency band for reconstruction.
在信号采集的设计中，对采样技术进行了研究。重点研究周期非均匀采样方法，包括其采样定理，重构方法，以及在重构中的优化子频带划分方法。 - In order to extend its work bandwidth to sample the high-speed periodic signal, equivalent sampling technology has been proposed.
为了扩展示波器的工作带宽，实现对于高频周期信号的采样，提出了等效采样理论。 - This paper presents a new method of nonlinear signal processing: Stochastic Resonance Based on Non-uniform Periodic Sampling, by combining periodic non-uniform sampling and stochastic resonance.
本文利用非均匀周期采样的这一特点，通过将非均匀周期采样和随机共振结合，提出一种新的非线性信号处理方法&基于非均匀周期采样的随机共振方法。 - At sampling phase, analog signal is input into multichannel simultaneously. It is multiplied with a band periodic signal, then the output is filtered by low pass filter, finally sampling is implemented at a low frequency rate.
在采样阶段将模拟信号同时输入多信道，同周期信号相乘，再经过低通滤波器进行滤波，以一个较低的频率进行均匀采样。