William Rose

2007년부터 활동

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modulate delivers asynchronous result
@fabian hohmann, The result you observe is because the sampling rate (fsw in your code) is too low to support the extremes of m...

13일 전 | 0

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How to get Pressure Sensor Resistance Values
@Brian, You have not shared any code, so I am just guessing... Maybe you are using for loop to get the resistances and plot t...

13일 전 | 0

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Trying to use audiorecorder for impulse response testing in a for loop
@Aditya, I do not have an Arduino, and the only audio devices are the built-in speakers and microphone on my PC. (I know they w...

20일 전 | 0

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Handling Numerical Instability in Estimating Angle Between 2D Points
@Leo, [moved my comment to be an answer, which is what I intended] You are defining numerical instability as a discontinuity....

20일 전 | 1

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Fit a standard exponential fit to approximate data
@Reji G, [Fix spelling error: fit1(x,y,'exp1') should be fit(x,y,'exp1'...).] Thank you for providing Data.xlsx. data=importd...

21일 전 | 0

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How do you indicate a line between a user and a GPS satellite?
@인혁 Why do you think there are errors? I modified your script slightly to display the receiver radius from Earth center, and t...

25일 전 | 0

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Problem with lsqnonlin and error function implementing a bovine pericardium constitutive model
@Nicolò, can you provide file data_11122.mat?

25일 전 | 1

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how to find curve fiitng equation through custom equation
@parshwa, [Edit: fix spelling.] I agree with @John D'Errico that providing your data is an excellent idea. You say "I need to...

25일 전 | 0

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How i can you ode extend function to used the solution till the end of timespan and in between used the RLC, offset and phase time as parameterizng function.
@Ehtisham, It appears to me that you are solving your system in successive time segments because you have parameters (RLC and o...

27일 전 | 0

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Problem with identifying the entropy stabilization point in SSA for accurate signal decomposition.
@Trais You say SSA decomposes a signal into three components: trend, oscillations, and noise. Shouldn't the sum of the three c...

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MPU6050 display raw data and fft from the reading get
@Nurul, [edit: fix spelling errors] Do you get an error when you run this code? I don't have the arduino add-on package, so I...

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Multioutput Regression models for non-linear data
@Ashritha, It sounds to me like you want to estimate the values of circuit elements (R, L, C, etc) that will fit a fit a partic...

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Kruskalwallis test for ECG signal
@Elzbieta, First, I needed to understand what the problm is. Since I needed files to run your script, I made 3 files of random...

대략 1개월 전 | 0

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Calculating the aortic flow downstream valve using Womersley and 3-element Windkessel model calculations from my FSI results - Why unusual sine waves at the end of flow curve?
@Hussam, [Edit: fix spelling errors.] I have not tried to understand all of your code. There are many plots above, and I canno...

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help me to do nonlinear fitting use lsqcurvefit
@nirwana, I agree with the comments of @Mathieu NOE. He raises very good points - including the recommendation to share the s...

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Loudness Equalization Across Stimuli-Within Stimuli
@Buse, [Edit: correct spelling errors. Remove bullet point about ISO226 loudness levels, since I now see that function iso226...

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How to get correct pixel size in 2D after cut 3D voxel using obliqueslice
@Kamil, [edit: fix spelling errors (twice), no changes to code.] [Edit: Replace color images with new images that don't have a...

대략 2개월 전 | 0

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unable to load file in Matlab Answers
I have been unable to load data from a file in Matab Answers for a week or more. I can attach a data file to my answer by click...

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How to constrain the time and how to derive the acceleration and position trajectories from given velocity trajectory?
@Alireza, You are correct: trapveltraj(,EndTime=tEnd) assumes tEnd is a scalar or a vector of segment durations. Example 1: Th...

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Determine of coherence using Transfer function (Bode plot)
@Kumaresh Kumaresh, The coherence equals one in your example because you estimated the spectra Pxx, Pyy, and Pxy using a single...

2개월 전 | 0

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Issue with Fitting Damping Model to Experimental Data
@Ts, You say q(t) is a response. Response to what? To v(t), I assume. But you have not told us v(t). If you apply the differ...

2개월 전 | 0

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SNR of ECG
Estimate signal to noise ratio for electrocardiogram.

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Signal quality assessment with SNR in Matlab
@Elzbieta, This is a long answer, but I don't have time to write a shorter one. My reading of your calc_snr() code is that it ...

2개월 전 | 0

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Preserving relative proportions in graph after introducing bias in log scale plot
@Samuel, [Edits: Correct spelling errors, including "ch2inv" to "chi2inv".] [Edit: Correct formula for .] I have not tried to...

2개월 전 | 0

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Plotting the Electric field of a SPR sensor
@Mohamed, Do you have the data, and you want to know how to make a plot? If so, see here. If you are looking for a formula fo...

2개월 전 | 0

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How can I draw a bifurcation diagram of the logistic dynamical coupled logistic map lattice system in MATLAB?
@Harpreet, What have you done so far? Your function L(e) is the logistic map function, with r=3.99. You have not specified th...

3개월 전 | 0

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Violinplot extending beyond data range
@Angie, [Edit: add ylim() so that all 3 plots have same y-axis range.] You can vary the bandwidth, or the kernel function, or...

3개월 전 | 0

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How do I interpret the output from fftn? (performed on a 3D matrix: time x spatial dimension 1 x spatial dimension 2)
@Neil Bailey, When you compare the 2d FFT to the 3d FFT, you must view slices through the 3d FFT that correspond to the plane ...

3개월 전 | 1

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Layered Damped Soil on Elastic Rock - Site Amplification in Kramer Book
@ibrahim can beziklioglu, You included two plots: a matlab-generated plot of Amplification factor as a funciton of frequency, a...

3개월 전 | 0

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SNR vs Amplitude plot for ECG Lead
@Elzbieta, You have 21 amplitudes, 17 heart rates, and 8 leads (I, II, and V1 thorugh V6). That is a lot of combinations. I c...

3개월 전 | 0

William Rose

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