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mostafa


Last seen: 3 years 前 |  自 2014 起处于活动状态

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统计学

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Problem when using FFT command?
Hi every one. I have a question about fast fourier transformer, when I calculate my time series data fast fourier transformer I...

3 years 前 | 0 个回答 | 0

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I have 2 time series data, one is real data another is my plant model output, how can I calculate percentage of fitness?
Hello Every body. I have two time series data, one is model output another one real datas, please guide me how it possible calc...

8 years 前 | 1 个回答 | 0

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How recognize best sampling time with primary data set with 1 second sampling time?
H I have problem in signal processing, please help me every body that can help. I have a furnace, I would like recognize system...

8 years 前 | 0 个回答 | 0

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Can any one help me about recording sound with samsung Note2 internal microphone? Can any one has information about samsung internal characterstics such as frequency rates recording and it's db recording?
I want use samsung note 2 for recording industrial noise which is between 1khz to 8 khz probably. Can any one help me about sam...

8 years 前 | 1 个回答 | 0

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Why result of FFT command is not good?
Hello every body. I used fft command for recognize bandwidth of a set of datas... First data pack has nearly 25000 time domain...

9 years 前 | 1 个回答 | 0

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How can i plot frequency response from 25000 time domain Data?
Hello every body, I have near 25000 time domain data, they are from a idustrial plant, I have both input and output data. I wan...

9 years 前 | 1 个回答 | 0

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How can i prediction according model?
Hello every body, I have a model of a system that gain from practical data and identification approaches, how can i predict K-st...

9 years 前 | 0 个回答 | 0

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How can i recognize oil temperature inside the pipe?
Hello every body, we have a rolling stand, the oil is circulating inside the pipe and colling the stand roll, i want take a phot...

10 years 前 | 0 个回答 | 0

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Please help me for modeling with Least square,is my modeling good?
Hi every one. My plant is a Hot furnace with 6 zone and each zone has total measure gas and total measure air, in result inputs...

10 years 前 | 0 个回答 | 0

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How can i recognize tempreture of inside of hot-furnace by processing of its image?
Hi again Image analyst Does it have any replacement method that is chipper and flexible than use thermovision for this purpose,...

10 years 前 | 0

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How can i recognize tempreture of inside of hot-furnace by processing of its image?
We have a hot-furnace that its tempreture is nearly 1200 deg centigerad, i want to take a picture of it and show inside temperat...

10 years 前 | 2 个回答 | 0

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How can make a thermal spectrume from hot-furnace?
Hi We have an very hot hot-furnace (1200) with bar inside it, we want make an thermal spectrume of furnace with picture of insi...

10 years 前 | 1 个回答 | 0

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