A new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed.
提出了一种利用空域采样实现相移干涉计量的新方法和实验演示装置。
The high-speed AD change is used as the core of high-speed oscillograph, and time domain sampling is applied for sampling oscillograph.
高速实时示波器以高速AD变换为核心,取样示波器采用时域取样。
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。
Radar imaging must obtain an extent of target spatial spectral-domain sampling, and the filling of spatial spectral domain is in direct connection with the quality of imaging result.
雷达成像需要获得目标空间谱域一定范围和密度的采样以重建目标图像,目标空间谱域的填充方式与雷达成像的质量有直接关系。
Those methods are just a small sampling of the many dynamic methods that Grails provides for your domain classes.
这些方法只是Grails为你的领域对象所提供的众多动态方法的一小部分而已。
The following forum from the largest shopping Tesco online shop Daquan several e-commerce site of sampling, analysis of their domain.
下面从国内最大的购物论坛易购的网店大全中抽样几个电子商务网站,对它们的域名进行分析。
Based on the principle of digital orthogonal modulation, the generation question of wide-band signal is factually identical with how to generate base-band signal with high sampling in time domain.
在数字正交调制原理的基础上,宽带信号的产生问题实际上转换为如何得到高采样率下的时域基带信号。
According to the frequency domain character of the filter and signal, the sampling rate matching principle of the filter in frequency domain is given in the first part of the paper.
先从滤波器和信号的频域特性出发给出了滤波器在频域的采样率匹配原则。
The traditional way is to obtain the sub-image by sampling the noised image in spatial or frequency domain, then calculate its variance to replace that of the original noise.
传统方法是通过空域或频域采样,得到该子噪声图像,然后直接对其估计方差,它对图像信息的分布有要求。
If a criterion-referenced measure is constructed by sampling tasks from this domain of tasks, our interest is how closely do the examinee's scores in this measure approximate with the domain scores.
如果使用者想根据测验分数对考生作掌握分类,则他们关心这个推断与假设考生论域分数已知时所作推断一致程度有多高。
A new non-iterative algorithm with time-domain weighting is described for reconstructing fast, step-like, or impulsive signals that have been measured with a sampling oscilloscope.
提出了一种基于时域加权的新的非叠代优化算法,用于重构经过采样示波器测量的阶跃信号、脉冲信号等。
When the DPCA condition is not satisfied, the error of sampling position can be compensated by a linear phase in Doppler frequency domain.
在不满足DPCA条件时,采用在多普勒频域乘以线性相位的方法来实现平动补偿。
Contrarily, if the frequency bandwidth of signal is finite, the time length of signal will be infinite when sampling in frequency domain, the time folding phenomenon will certainly happen.
反之,若信号的频带宽度有限,当进行频域抽样时,时域必然发生混叠。
The soil moisture is measured in the field by time domain reflectometry , neutron probe and soil sampling, The results showed that the measured values are different.
应用时域反射仪、中子仪和上钻法测定了农田土壤水分,并对农田土层含水量和主体贮水量的测定结果进行了比较。
Firstly the frequency domain was discretized into limited points. And a logarithmic sampling method was used to select samples.
首先,把特定的载荷频率范围离散成有限点,并通过对数采样法进行预采样。
Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.
采样面截断误差是影响近场测试结果的一个很重要的因素。
Even if the sampling rate is high, the method makes part of a low blood flow signal clearly visible in frequency domain, and more detailed blood flow sonogram can be obtained.
该方法可以在高采样频率条件下实现低流速血流信号的局部可视化,同时由于局部范围内采样分辨率的提高,将获得更细致的血流声谱图。
Based on Gaussian random process model and continuous-time system in time domain, this paper analyzes the effect on baseband and intermediate frequency sampling due to clock jitter.
该文从时域连续信号角度出发,按照高斯随机过程模型,分析了时钟抖动对基带和中频线性调频信号信噪比的影响并给出了近似公式。
Based on Gaussian random process model and continuous-time system in time domain, this paper analyzes the effect on baseband and intermediate frequency sampling due to clock jitter.
该文从时域连续信号角度出发,按照高斯随机过程模型,分析了时钟抖动对基带和中频线性调频信号信噪比的影响并给出了近似公式。
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