The detection of fuze signal in strong background noise is an important topic in fuze signal process.
强背景噪声中引信信号的检测,是引信信号处理中的一个重要课题。
The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.
在较低信噪比情况下,基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。
However, recent research has shown that addition of an appropriate amount of noise can actually improve signal detection in a nonlinear system, an effect called stochastic resonance.
然而最近的研究发现,在非线性系统中加入适当的噪声实际上可以提高信号的察觉,就是所谓的随机共振。
To improve the Signal-to-noise Ratio(SNR) and detecting probability of small target in infrared image sequences, a novel method of target detection based on spatial-temporal filtering is proposed.
为了提高红外图像序列中弱小目标的信噪比和检测概率,同时考虑检测算法实时性,提出了一种新的基于空时域滤波的小目标检测方法。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
In order to provide an accurate-pitch-cycle speech for pith detection algorithm with varied noise and SNR, we use signal decomposition theory in pre-processing of pitch detection.
为了在不同噪声、信噪比下为基音检测算法提供更能准确反映基音周期实际变化的输入语音,本文将信号分解思想引入基音检测前端处理中。
The applying instance shows that the combining of traditional signal processing methods with wavelet conversion theory is more effective in the noise sources detection and fault diagnosis.
应用实例表明,小波技术与传统信号处理方法相结合可以更有效地进行声源检测与故障诊断。
The method of detection on transient signal by the slice of cyclo bispectrum in stationary random noise is proposed in this paper, simulation results are presented also.
提出一种在平稳随机噪声中检测暂态信号的循环双谱切片方法,同时给出仿真结果。
A new kind of design method of fuzzy detector based on signal detection in pulse noise is presented in this paper.
本文提出了一种基于脉冲噪声中信号检测的模糊检测器的设计方法。
We present a chaos based signal detection approach, analyze the influence of noise to the system status in the chaos detection process.
给出了混沌检测的方法,分析了混沌检测中噪声对系统状态的影响。
Concerning the detection of weak signal in stronger noise background, a novel method was proposed in terms of stochastic resonance processing and by using the better de-noise feature of wavelet.
针对强噪声背景中的弱信号检测问题,在经典随机共振处理方法的基础上,利用小波良好的去噪特点,提出了随机共振加小波去噪检测弱信号的新方法。
This paper deals with the detection of weak transient signal buried in non-Gaussian noise.
研究非高斯噪声中微弱瞬态信号的检测。
In the evaluation of welded joint using digital ultrasonic system, it is found that it is noise that constitutes the main difficulty in the detection of weak ultrasonic signal.
在用数字超声系统进行焊接接头评价时发现,噪声是微弱超声信号检测的主要障碍。
Because of the noise in the image signal and all kinds of fuzzy edge combined in the image, the edge detection is one of the difficult problem in the image processing.
然而,边缘检测又是图像处理中一个困难的问题,因为实际景物图像中的边缘往往是各种类型的边缘以及它们模糊化后结果的组合,实际图像信号存在着噪声。
In this paper, a new method of traffic volume detection with microphone array is presented. And the condition of current traffic volume detection methods and vehicle noise signal is also analyzed.
通过对现有交通流量检测方法和汽车噪声信号特性的分析,提出一种基于麦克风阵列的交通量声频检测方法。
The reconnaissance distance of vehicular laser passive reconnaissance warning device was discussed in the paper. The signal to noise ratio and sensitivity of the laser detection were analyzed.
文章针对车载式激光告警器探测距离,分别对激光告警接受机的信噪比和灵敏度进行了分析计算,为系统设计和研制提供依据。
This paper inquires into detection method of micro weak signal in neural network, analyses principle of noise suppression, and gives out diagram and measurement results of neural network system.
探讨了神经网络的弱信号检测方法,定性分析了其噪声抑制的原理,给出了神经网络系统框图及实测结果。
In order to detect weak signals overwhelmed in noise, the method of signal detection is investigated using the principle of stochastic resonance.
针对淹没在噪声中的弱信号测量,利用随机共振技术进行了信号检测的研究。
Weak characteristic signal detection embedded in strong noise has been the problems of engineering applications.
强噪声背景下微弱特征信号检测一直是工程应用领域的难题。
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题,提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
The simulation results show that, ICA as the post-processing modules of Joint detection, in the circumstances of high signal to noise ratio, the performance of the system was improved.
仿真结果表明,把联合检测后的数据再次经过ICA后处理模块,在高信噪比的情况下系统的性能有明显的提高。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
In the paper, the proposed method effectively improves the output noise ratio of the weak signal detection, and increases the monopulse radar tracking range a lot.
本文提出的方法有效地提高了微弱信号检测输出的信噪比,大幅增加了单脉冲雷达的跟踪距离。
The technique of small dim target detection in low Signal-to-Noise and low contrast images has been the key technique of the electro-optical detecting system.
低对比度、低信噪比弱小目标探测技术是光电成像探测系统的关键技术之一。
The technique of small dim target detection in low Signal-to-Noise and low contrast images has been the key technique of the electro-optical detecting system.
低对比度、低信噪比弱小目标探测技术是光电成像探测系统的关键技术之一。
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