However, When dealing with high frequency signal, it has the drawbacks of low frequency domain resolution.
特性及自动调节的时频窗,可以聚焦到信号的任意细节,但对高频信号的频域分辨率较低。
When compared with the typical perceptual entropy detecting on frequency domain, it has some advantages, such as higher time resolution, more accuracy and simple algorithm.
与当前典型的基于感觉熵的频域瞬态检测方法相比,具有时间分辨率高、准确和算法简单等优点。
Simulation results show that non-stationary noise can be identified in time domain and resolution improvement is obvious compared with that of conventional noise detection in frequency domain.
实验表明:非平稳噪声在时域中是可以识别的,与传统的噪声频域检测方法相比,分辨率有明显的改善。
The advantage of this method is that it doesn't require locating accurately the end point of QRS wave of HRECG and overcomes low resolution of frequency-domain analysis.
并且克服了时域法要求对QRS 复合波的起点和终点准确定位不易的缺点,以及频域分析法频率分辨率不足的缺陷。
Bilinear time-frequency transform possesses a high resolution both in the time domain and the frequency domain. It can be utilized to detect weak transient signal in complex background.
双线性时间-频率变换在时间域与频率域都具有较高的分辨率,有利于复杂背景条件下微弱瞬时信号的探测。
Target frequency domain response is sampled with only a few FCPR sub-pulses, from which target high resolution range information is reconstructed exactly.
该方法采用少量FCPR信号子脉冲对目标频域响应进行采样,即可提取目标高分辨距离像信息。
Laser radars are widely used in target detecting, tracking, aiming and imaging recognition because its extremely high resolution in frequency domain, space domain and time domain.
激光雷达因为极高的频域、空域和时域分辨率而在目标探测、跟踪、瞄准和成像识别等方面得到越来越广泛的应用。
Numerical simulation shows that the spatial resolution is enhanced by four times using the frequency-domain deconvolution algorithm with high temperature accuracy.
理论仿真结果表明,采用频域反卷积算法可以在不降低光源脉冲宽度的情况下,将空间分辨率提高四倍。
Two basic methods of high resolution range measurement applying LFM pulses are introduced: compression in time domain and compression in frequency domain.
介绍了线性调频脉冲信号高分辨测距的两种基本方法:时域压缩测距和频域压缩测距。
The relation between least square collocation and data resolution is discussed based on the form in frequency domain of the principle of least mean square error.
最后,基于装备体系作战能力的数值分析,提出了在战争模拟中基于多分辨率数据的多分辨率建模方法。
The relation between least square collocation and data resolution is discussed based on the form in frequency domain of the principle of least mean square error.
最后,基于装备体系作战能力的数值分析,提出了在战争模拟中基于多分辨率数据的多分辨率建模方法。
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