为了提高频谱分析的精度，要求对振动信号进行整周期等相位采样。
In order to improve the accuracy of spectrum analysis, it's better to sample the vibration signals in the way of full cycle and equal phase.
设计了以C8051F 060混合信号微控制器为核心的全数字信号检测系统，实现其采样信号和调制信号的相位关系保持。
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.
本文提出了一种无需整周期采样、无需锁相环和复杂电路硬件的相位检测算法。
A novel phase detection algorithm that does not need complete period sampling, phase-locked loops or complex electrocircuit hardware was presented in this paper.
采用基准信号作触发，分别对内、外转子进行同步采样，就可直接获取各转子相应的振动幅值和相位。
Magnitudes and phase values of unbalanced weights are obtained directly by sampling the vibration signal synchronized with reference signal.
探讨了两次采样循环之间的衔接、提高转速测量分辨率、键相位信号的隔离和预处理等问题的解决方案。
The solution for linking twice sampling cycles, enhancing resolution of measurement of rotating speed, isolating and processing keying phase signal, are investigated.
空间积分抽样相位理论分析为消减欠采样产生的折叠混淆效应提供了理论依据。
Phase theory analysis of spatial integral sampling provide theoretical basis for under sampling aliasing reduction.
正交采样技术可以保留信号复包络的幅度、相位等信息，因此在信号处理领域中有着广泛的应用。
Quadrature sampling technique is widely used in the field of signal processing since it can reserve all information about the complex envelope of IF signal.
相位抖动：指的是反馈时钟和参考时钟之间上升沿差异与多次随机采样的平均偏移之间的差。
Phase Jitter: refers to the deviation of the FBKCLK rising edge to the REFCLK rising edge with respect to the average offset in a random sample of cycles.
该文提出了一种基于全相位逆离散余弦变换(APIDCT)内插滤波器的重采样分层编码技术。
This paper proposes a hierarchical coding technique based on the All Phase Inverse Discrete Cosine Transform (APIDCT) interpolation.
提出了利用编码光两个采样值实现相位测量轮廓术的原理。
A new method of phase measuring profilometry, which USES only two samples of the coded intensity, is presented.
随着采样频率和A/D变换器位数的增加，时钟抖动和相位噪声对数据采集系统性能的影响更加显著。
The effect of clock jitter and phase noise on data acquisition system performance is more profound as the increase of sampling frequency and the bit of A/D converter.
差分时钟延迟匹配技术通过对两路AD的采样时钟进行相位调整，实现了两路AD的等间隔采样。
The difference clock delay match technology adjusts the two channel AD analog clock phase and implements the two way AD uniformly-space sampling.
所产生的随机相位屏的整体倾斜反映了低频成分的准确采样。
The overall slope in the generated random phase screen reflects an accurate sampling of the low frequency components.
利用这一概念选取合适的采样参数对测量信号进行采样，可实现采样信号同待测信号相位相关。
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.
多采样率滤波器组可以通过对线性相位低通原型滤波器进行余弦调制来实现。
Multirate filter bands can be realized by cosine modulation of a linear-phase low-pass prototype filter.
然后对窄带雷达回波采样序列进行相位匹配变换，搜索匹配函数的最大值，从而得到质心位置参数的估计值。
The phase matching transform is performed on the sample series. of narrow-band radar echo, and the centroid position parameter is estimated by searching for the maximum value of the matching function.
结果表明，利用等工件转角间隔采样通过互功率谱密度方法可以实现相位差的精确在线测试。
The results show that the phase shift angle can be measured accurately based on the cross-spectrum method with equivalent interval sampling of workpiece rotary angles.
频率估计公式包括采样序列DFT、相位差计算和频率计算。
The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.
用此公式能够快速的从非同步采样数据得到信号的幅值相位信息。
Some information such as amplitude and phase can be obtained from this formula very fast.
本文介绍了以单片机为基础的交流电压、电流直接采样的设计与实现并用锁相环CD 4046来实现相位角的采样。
The paper introduced a design and realization of direct sampling of AC Voltage and current based on a single chip micro - computer and used PLL CD4046 to realize phase Angle sampling.
因此，提出了一种基于FPGA的整周期等相位的采样控制方法。
So an FPGA-based control method to realize the sampling was proposed.
当故障持续时间大于三路时钟相位差时使两路时钟同时采样到故障值，在反馈型电路会导致长时间的故障状态。
When fault duration is longer than phase difference will result in fault sampling by two registers and make feedback circuit in fault state for a long time.
本文在频率采样法的基础上提出了具有可控阻带凹陷特性的线性相位FIR滤波器的设计。
Based on the frequency sampling technique, we have proposed a new method for designing linear-phase FIR filters with steerable stopband dips.
受射频前端相位误差、ADC采样误差及阵元个数有限的影响，综合孔径直接采样微波辐射计成像质量仍然较低。
Furthermore, taking phase error of RF front-end, sampling error of high-speed ADC and the size of array into consideration, the image quality of synthetic aperture DSMR is still poor.
本文提出了一种基于相位编码光采样的集成光学模数转换器的新型方案。
The new ADC proposed by us can resolve the restrained relationship between sampling rate and stated bit number, which always exists in the conventional phase-encoded optical sampling method.
对于计算公式的准确度又作了讨论，指出了采样初相位的计算误差对冲击测量误差的计算基本没有影响。
Thus, the difficult problem concerning theoretical calculation of impulse measurement errors of digitizers is systematic solved. Calculation accuracy is also discussed.
为有效减少基波相位分离法在非同步采样时给介损角测量带来的误差，提出了加汉宁窗插值的改进基波相位分离法。
The paper describes a digital measurement method - fundamental frequency phase detachment method -which is used for detecting the dielectric loss of electric equipment.
为有效减少基波相位分离法在非同步采样时给介损角测量带来的误差，提出了加汉宁窗插值的改进基波相位分离法。
The paper describes a digital measurement method - fundamental frequency phase detachment method -which is used for detecting the dielectric loss of electric equipment.
应用推荐