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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Once I figured how to use PDFiller it was great. It worked as I hoped and it served is intent. If the occasion arises again I will definitely use PDFiller.
Thanks for your customer service attitude and your expeditious response to my requests and clarification.
2014-05-10
I found this program very user friendly. I am grateful for being able to do my tax forms and get all the information I need on this site. I would highly recommend it to anyone trying to make since of tax forms.
2018-02-16
PDFfiller is very easy to use
No instructions needed, so very easy to use.
The software is very easy to use, so other than a lower price, it is great.
2019-03-12
Trumps other PDF Filling Software
This is simple software to use. Easily manipulate PDF forms, enter and delete data. No more need to print, fill out, scan and send PDFs. Automates work processes for more efficiency.
Sometimes if you are signed in on more than 1 computer or device you can lose your work.
2018-10-10
Efficient service
I had great service and very efficient. I was asking for a refund ,which I thought I wouldn't get,to my surprise Pdf filler has given me the refund and it should be in my account within a few days. The sales assistant who I was emailing is named Phoebe. Phoebe made the whole process a breeze and was very polite.
Thank you Pdffiller. I appreciate it.
2023-08-06
I just started using this software…
I just started using this software today and I'm loving it.I'm still exploring all the capabilities.
2021-05-26
Actually, I just came across this with a standard google search. I was using Adobe Illustrator and it was overkill and took ages to load every time I just wanted to update a PDF file. This has been awesome and so easy and quick to use! The 'Signature' option was a bonus as well!
2021-02-02
Makes me more useful working from home
Makes me more useful working from home. I can fill in forms that have been faxed to the office from home. Love it.
2020-11-18
Being a small plumbing business I used PDFfiller for many forms I needed! The ease of filling out the forms was just what I needed!!
Being a one man shop I needed every minute of the day! PDFfiller was just perfect - I would pull up invoice fill it out send it off!! $$ in bank!! Perfect for a small Company as myself who needs every short cut to save as much time as possible!!
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2020-09-24
For pdfFiller’s FAQs
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How do you find frequency resolution?
The frequency resolution is equal to the sampling frequency divided by FFT size. For example, an FFT of size 256 of a signal sampled at 8000Hz will have a frequency resolution of 31.25Hz. If the signal is a sine wave of 110 Hz, the ideal FFT would show a sharp peak at 110Hz.
What is the frequency resolution of FFT?
The frequency resolution is defined as FS/N in FFT. Where FS is sample frequency, N is a number of data points used in the FFT. For example, if the sample frequency is 1000 Hz and the number of data points used by you in FFT is 1000. Then the frequency resolution is equal to 1000 Hz/1000 = 1 Hz.
What is the frequency resolution?
The frequency resolution is the difference in frequency between each bin, and thus sets a limit on how precise the results can be. The frequency resolution is equal to the sampling frequency divided by FFT size. For example, an FFT of size 256 of a signal sampled at 8000Hz will have a frequency resolution of 31.25Hz.
What is FFT frequency?
FFT(x, T, Freq) The Fast Fourier Transform (FFT) converts a time series of equally spaced values, «a», from the discrete time (or spatial) domain to the discrete frequency domain. «TA» is the time index and «Freda» is the Frequency index, and these two indexes should have the same length.
How does sampling rate affect frequency?
Sampling rate (sometimes called sampling frequency or FS) is the number of data points acquired per second. For a 100 Hertz sine wave, the minimum sampling rate would be 1000 samples per second. In practice, sampling even higher than 10x helps measure the amplitude correctly in the time domain.
How do you find the frequency of a bin?
frequency bins are intervals between samples in frequency domain. For example, if your sample rate is 100 Hz and your FFT size is 100, then you have 100 points between [0 100) Hz. Therefore, you divide the entire 100 Hz range into 100 intervals, like 0-1 Hz, 1-2 Hz, and so on.
What is the sampling frequency?
The sampling frequency (or sample rate) is the number of samples per second in a Sound. For example: if the sampling frequency is 44100 hertz, a recording with a duration of 60 seconds will contain 2,646,000 samples.
What is meant by sampling frequency?
Sampling rate or sampling frequency defines the number of samples per second (or per other unit) taken from a continuous signal to make a discrete or digital signal. For some types of noise, sampling rates in excess of 48 kHz may be advantageous. For any higher sampling rates NASA recommends 96 kHz.”
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