This paper gives some complementary pictures of the time domain approach and the frequency domain approach in system identification.
本文给出时域辨识与频域辨识相互补充的一些事实。
For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.
为了便于时域卷积，对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。
Using the different time-frequency characteristics of wavelet and wavelet packet, the proposed approach can avoid the noise and complete the detection and classification of transient power quality.
该方法利用小波和小波包各自的时频分解特点，实现了暂态电能质量扰动的自动检测和分类。
The experiments show that, this approach has significant improvements of acquisition time, which is compared with the traditional widened frequency search scope method.
仿真结果表明，相比于传统的扩大接收机搜索范围的方法，该方法能明显缩短GNSS接收机在高动态环境中的捕获时间，加快捕获速度。
The approach is to use short-time analysis to extract the characteristics of time-varying amplitude, frequency and phase in a digital modulation signal, and applies them for simple identification.
该方法用短时分析提取数字调制信号在幅度、频率和相位随时间变化的特征，并利用这些特征对各种数字调制信号进行识别。
The simulation results show that the frequency-domain equalization approach can improve the BER performance great-ly than the time -domain equalization. The drawback of the…
与时域均衡器的比较表明，频域均衡可较大地改善分组传输系统的均衡效果，缺点是接收端的计算量有所增加。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
Based on an auxiliary time-delay channel and ESPRIT approach, a new algorithm for wide band frequency estimation with sub-Nyquist sampling was proposed.
为了克服现有的欠采样频率估计方法存在的算法复杂、工程实现困难等问题，本文提出了一种基于虚拟仪器的三采样率切换的频率估计方法。
应用推荐