一种检测和存储模拟信号瞬时值的设备。
A device that senses and stores the instantaneous value of an analog signal.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background.
本文提出一种基于子波变换的检测瞬时信号的方法。
Based on wavelet transform, a new method for detecting transient signals has been proposed.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency compos...
通过数字模拟实验与齿轮箱故障信号检测，验证了新的双线性时间-频率分布对复杂信号中瞬时分量的探测效果。
By digital simulation and detection of gearbox fault signal the detection effect of the novel bilinear time-frequency transform is validated for the transient components in complex signal.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise...
瞬时RAM结果也表明最低能检测10个细菌，检测信号的出现依赖于样品的浓度。
The real-time RAM results also showed that as many as 10 bacteria can be detected and the time of appearance of detectable signal was depended on the target concentration.
提出了在强噪声背景下检测瞬时信号的到达时间和频率成分的方法。
Then proposes a method to detect the arrival time of instantaneous signal and the frequency composition under strong noise background. Theor...
该文研究了应用WVD谱峰检测估计AM - FM信号的瞬时频率的方法及其性能。
In the paper, the method to estimate instantaneous frequency of AM-FM signals using the peak of the WVD and its performances are studied.
同时本文还提出了一种平滑音调系数的插值后处理算法，该算法解决了瞬时突变噪声引起信号音调检测误判的问题。
This paper also deals with the problem of temporal energy surge of noise component in narrow band influencing the tonality detection with post-smoothing.
试验结果验证了该方法的可行性，为利用瞬时转速信号检测发动机失火提供了条件。
The experimental results verified the accuracy and feasibility of the denoise method to process the momentary speed signal for engine misfire detection.
提出基于小波尺度图重分配的信号瞬态特征检测方法和瞬时能量估计方法，并应用于轴承在多种轻微故障状况下的振动非平稳特征的检测与表示。
The singal transient feature detection represent method, and a transient energy evaluation method are used based on the reassigned scalogram for the vibration non-stationary feature representation.
它将相邻两瞬时所检测到的信号差值作为有效信号值，系统噪声则是探测器噪声。
In this system the detected signal difference between two neighbouring instantaneous times is served as the effective signal, and the system noise points at the detector noise.
提出了一种基于小波包分析的激磁信号相位漂移检测方法，能够以较高的精度检测出相位信号的瞬时漂移。
A detecting method for the phase drift in excited signals based on wavelet packet analysis is presented. This method can detect the transient phase drift in signals at great level.
为了实现发动机工作状态的随车检测，本文对装有YC6108柴油机的东风载货车的瞬时转速信号进行了随车测量和分析。
To achieve on broard detecting the states of automotive engines, memurement and analysis of the momentary rotating speed of the YC6108 diesel engine on a Dongfeng truck were carried out.
为了实现发动机工作状态的随车检测，本文对装有YC6108柴油机的东风载货车的瞬时转速信号进行了随车测量和分析。
To achieve on broard detecting the states of automotive engines, memurement and analysis of the momentary rotating speed of the YC6108 diesel engine on a Dongfeng truck were carried out.
应用推荐