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updated almost 2 years ago

deb by Thiago Oliveira

Functions that returns db (convertion, db)

deb( x )

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updated 2 years ago

Sound Pressure Level Calculator by Chad Greene

Function calculates sound pressure level in decibels, given a pressure signal in pascals. (acoustics, sound pressure level, spl)

spl(p_Pa,ref)

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updated 2 years ago

Simple dB and Power of 10 Conversion Utilities by Joe Henning

Convert dBm to p-p voltage, calculate dB mean, calculate next power of 10 (dbm, peaktopeak, voltage)

dbm_to_vpp (dbm, load)

dbmean(x,dim)

nextpow10(n)

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updated almost 3 years ago

Add Noise by Kamil Wojcicki

Add noise to a signal at a prescribed SNR level. (snr, signal to noise ratio, db)

addnoise( signal, noise, snr )

myspectrogram(s, fs, T, w, nfft, Slim, alpha, cmap, cbar,...

test_addnoise_sinusoid.m

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updated 4 years ago

A basic polar plot tool in dB linear scale by Hakan Cakmak

polar_dB makes a plot of gain=10*log10(g) versus polar angles phi (db, polar_db, antenna pattern)

polar_dB.m

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updated 4 years ago

ITU-T P505 - One-View Visualization Diagrams - GUI by Thierry LE GALL

This GUI implements ITU-P505 specification with automatic diagnostic (pass/fail) vs. ITU-T-P340. (itu, 3gpp, p505)

[s_use_case, d_test_cases, s_aqi_version, s_platform, t_f...

f_ovv1x_analysis(t_test)

f_ovv1x_diagram(h_axe)

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updated 4 years ago

3D spherical equation plot by Jef Statham

Graphs a 3 dimensional logarithmic function named F(Theta,Phi), (modeling, db, 3d)

F(theta,phi)

graph

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updated 10 years ago

postgres to MATLAB by Rodrigo Oliveira

This toolbox reads a db .txt output file into MATLAB. (data import, data export, txt)

[out]=pg_cell2others(in)

[split,numpieces]=explode_without_spaces(string,delimiters)

out=pg_join_matrixes(in1,in2,name_col);

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