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Signal Processing

Questions tagged [periodogram]

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I’m implementing a 2D-OFDM radar (SISO) simulation based on the paper “Maximum Likelihood Speed and Distance Estimation for OFDM Radar” by Braun, Sturm and Jondral. The system transmits MPSK-modulated ...
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I have two profiles acquired from the same device with one parameter changed between acquisitions. They both have a base profile with a comb of period 4 appearing as a "spike" every 4th ...
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I have 10 signals recorded by detectors which are placed in different r and phi coordinates (let's consider the situation in the polar reference system). I want to find spatial and temporal ...
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There is a data set which has two different sinusoids buried in noise. Data record has following properties: A data records with a total data length of 2048 points. The sampling frequency is 100 Hz. ...
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I am wanting to use the discrete cosine transform to relate the autocovariance function of a process to its periodogram. Following Chris Chatfield's book (Time Series Analysis, p129), I am wanting to ...
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I am completely new to signal processing! Please explain as if speaking to someone who knows nothing more than linear algebra and what a Fourier transform is defined as. I am working with an 8-month ...
Akash Dutta's user avatar
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Per the Space Exploration SE question Are launch windows to Mars avoided if they result in landings during dust storm season? the synodic period of the relationship between the motion of Earth and ...
uhoh's user avatar
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Ignoring normalization factors, we can define the squared Root Mean Square (RMS) of a discret-time signal $x[t+n], n=0,1,...$, at time $t$ as: $$\mathrm{RMS}^2_t = \sum_{n=0} ^{N-1} |x[t+n]|^2$$ ...
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I have radial velocity data (time, radial velocity amplitude, error). I want to find a periodicity of those data points for which I'm using the Generalized Lomb-Scargle method (https://github.com/...
Priyash Mistry's user avatar
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I have the following code block. Im just trying to calculate the periodogram of the signal $x$ with a built-in periodogram function and without any built-in periodogram function. I get the same ...
dorottopunto93's user avatar
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3 votes
3 answers
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I have just started trying to self-study an intro course on signal processing. I have just been introduced to the periodogram and have a hard time understanding why completely different signals can ...
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I am trying to compute the PSD of a signal in MATLAB using Welch's periodogram method as shown in the code snippet below. ...
Tommy Wolfheart's user avatar
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I have an EEG recording of duration $2\text{s}$ with sampling rate $f_s=200 \,\text{Hz}$ and, as a mathematician, wish to familiarize myself with some of the standard terminology in signal processing. ...
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I have data that is sampled every 5 minutes(or every 300 seconds)from an automated instrument that measures temperature outside. The data is available on a monthly basis i.e every 1 month . That is ...
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I'm trying to extract statistical features from power spectral density values in Python. My data is actigraphy data with sampling rate 1/60 Hz (once per minute). This is a sample from my data, "...
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