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。
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。
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。
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。
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。
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。
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。
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。
应用推荐