نتایج جستجو برای: acoustic signal detection

تعداد نتایج: 1009912  

Journal: :journal of advances in computer research 2013
s.mobarakeh moosavirad peyman kabiri hamidreza mahini

intrusion detection in wireless networks has been a challenging researchproblem in network security for more than half a century. this paper presents anovel intrusion detection method based on received signal strength acceptancetest (rssat) to improve the ids capabilities in anomaly-based host-basedintrusion detection systems (hids). the new system can identify suspiciousbehaviors detecting ano...

Journal: :The International Journal of Advanced Manufacturing Technology 2022

Acoustic emission technology relies on detecting and converting elastic (acoustic) waves from solids undergoing internal structural irreversible changes into electrical signals. This technique represents a non-destructive testing method used in industrial fields such as weld monitoring, proof testing, flaw detection of pressure vessels. In this study, the applicability acoustic for monitoring d...

Rahil hosseini

 Edge Detection is an important task for sharpening the boundary of images to detect the region of interest. This paper applies a linear cellular automata rules and a Mamdani Fuzzy inference model for edge detection in both monochromatic and the RGB images. In the uniform cellular automata a transition matrix has been developed for edge detection. The Results have been compared to the ...

Journal: :رادار 0

in this paper, we examine target detection in the surveillance channels of fm-based passive bistatic radars (fbpbrs) in the presence of interference signals in the reference channels of these systems. to do so, we propose a new signal conditioning algorithm to remove interference signals form reference channel. simulation results show that the proposed signal conditioning algorithm outperform t...

2003
Alison K. Lazarevich

A partial discharge (PD) is the dissipation of energy caused by the buildup of localized electric field intensity. In high voltage devices such as transformers, this buildup of charge and its release can be symptomatic of problems associated with aging, such as floating components and insulation breakdown. This is why PD detection is used in power systems to monitor the state of health of high ...

2008
Malini K Bhandaru Victor R Lesser

For complex perceptual tasks that are characterized by object occlusion and non stationarity recognition systems with adaptive signal processing front ends have been developed These systems rely on hand crafted symbolic object models which constitutes a knowledge acquisition bottleneck We propose an approach to automate object model acquisition that relies on the detection of signal processing ...

Rahil hosseini

 Edge Detection is an important task for sharpening the boundary of images to detect the region of interest. This paper applies a linear cellular automata rules and a Mamdani Fuzzy inference model for edge detection in both monochromatic and the RGB images. In the uniform cellular automata a transition matrix has been developed for edge detection. The Results have been compared to the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده برق و کامپیوتر 1387

آشکارسازی حضور سیگنال های مخابراتی در سالهای اخیر به خاطر کاربردهای فراوان آن توجه زیادی را به خود جلب کرده است. برای مثال می توان به آشکارسازی حضور سیگنال ها در رادار، جنگ الکترونیک، سونار، رادیوهای هوشمند، شبکه های بی سیم و ... اشاره کرد. در این کاربردها منظور از آشکارساز سیگنال،گیرنده غیرمخاطب می باشدکه قصد آشکارسازی سیگنال های مخابراتی را دارد. به همین دلیل و نیز پارامترهای تصادفی موجود، مم...

1998
Malini K. Bhandaru Victor R. Lesser

For complex perceptual tasks that are characterized by object occlusion and non-stationarity, recognition systems with adaptive signal processing front-ends have been developed. These systems rely on hand-crafted symbolic object models, which constitutes a knowledge acquisition bottleneck. We propose an approach to automate object model acquisition that relies on the detection and resolution of...

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