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Questions related to Signal Process
Dear everyone: Hello! Sorry that my question may take up your valuable time. Recently I have a technical problem in the data processing. We have conducted a series of wind tunnel tests in order...
19 December 2020 9,038 2 View
Suppose we have a signal as x(t) = exp(i(omega*t + phi)), after a simple calculation as y(t) = 1/x(t). We can clearly see that there is a phase shift of Pi=180deg. However, using directly...
21 October 2020 5,121 5 View
Currently, I have a series of human motion data recorded by accelerometer sensor at a sampling rate 100HZ. Based on literature review, many papers extract the feature called “First 5 FFT...
18 September 2020 4,874 4 View
I have conducted an experiment in which the impulse was exerted on sound bowl (it was hit by a hammer). As a result I have obtained acceleration from accelerometer on 3 axis, calculated net...
01 January 2020 3,867 3 View
I have been doing research on extracting information like acceleration, distance, etc. from an analogue signal by performing analogue signal processing on any type of signal. I haven't found any...
11 November 2019 1,465 5 View
Mathematical model on logistics and supply chain (LSC) plays an important role in the decision-making tool to obtain optimal strategy. An LSC comprises of the upper parts which consist of raw...
10 October 2019 1,115 1 View
Now I am creating a new NMR/NQR spectrometer. Soft I write on the NI LabView. I try to abandon the traditional modulator and acquire a DAC capable of producing ready-made RF-pulses. The only DAC...
06 June 2019 1,775 2 View
Hello everyone, I am building a home-made vibrational circular dichroism spectrometer, and for that I use polarization modulation of my IR signal. I have a photoelastic modulator (PEM) that...
11 November 2018 7,136 3 View
Hello, If we consider complicated environments, an animal's brain is bombarded with different stimuli per second, many of them are weak and null (non associated with reward and punishment). In...
10 October 2018 8,976 2 View
I have a problem modeling GCPW in CST studio. The GCPW model I designed in CST studio shows unwanted resonance peaks in S12 parameter. The substrate is Alumina(99.5%, lossy) and size of the...
09 September 2018 4,821 6 View
Heart rate monitoring and estimation is essential parameter in biomedical engineering and medicine. The heartbeat rate change would affect directly to the physiological/ pathological state (mood,...
08 August 2018 4,007 3 View
I need help to simulate UFMC based on comb pilot? i find code ofdm , and try to do the same, but im not succeed.
06 June 2018 6,808 4 View
i work in welding job and study about signal process
05 May 2018 1,662 0 View
The method of FRFT alway used in the process of LFM, and we get good performance in simulation with FRFT uesd with only complete LFM signal,but what if the data segment used with only part of LFM...
03 March 2018 9,320 0 View
Is UFMC channel FLat or frequency selective??? For any case please mention the references if possible?
03 March 2018 6,531 3 View
I captured an LTE signal and processed it. I was able to extract MIB and SIB1 informations. My code run successfully and the reult I got seems alright (see attached file title decoded result). The...
01 January 2018 6,721 3 View
To amplify the accuracy and the reliability in HCI Based on EMG it required advanced methods for detection, decomposition, processing, and classification.
09 September 2017 8,389 7 View
Polyphonic music is mentionned here to properly define the type of signals.
09 September 2017 6,538 9 View
How many areas of instruction in 8085 microprocessor???
07 July 2017 938 9 View
I am working on signal processing. now i am look for DSP processor which support signal process. kindly send some supporting materials related to this. kindly do the needful
07 July 2017 8,708 4 View
I have a time series of a physiological signal, lasting on average 10 minutes, which is roughly 1200 data points. In some subjects the signal is not stationary. Is it feaseable to analyse the raw...
07 July 2017 8,643 2 View
Dear all, I am working with biomedical signals, which contains oscillations with time-varying amplitude and frequency. There are some fast estimators for the frequency (see link below), but how...
07 July 2017 4,607 7 View
01 July 2017 7,965 3 View
I'm looking for a database for development of speaker verification system. Specifically, it should contain recordings of 200+ speakers without any background noise and ideally without or with...
06 June 2017 648 1 View