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What our customers say about pdfFiller
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I am older and my hand shakes so badly I cannot fill in forms -- it is a real life-saver, not to mention time-saver. I don't have to call someone in to fill the forms out for me, I've already recommended PDFfiller to a dozen friends!
2014-08-04
Great!! Saves me lots of time where I would have to find the form print it out and then type the information. The only thing that is a problem is the instructions within the form itself. I feel the instructions throughout the form should not be on the printout itself.
2015-09-10
Generally very good. When you print it saves first which I don't want it to do and "Save As" does not allow you to rename which is not right. Other than that, it does what you want.
2015-12-15
Having to fill in Calendars for an upcoming Court Hearing and due to the limited space we can use to write its nice to be able to type the information in.
2017-12-17
What do you like best?
Very easy to use, intuitive, secure, and affordable.
What do you dislike?
No word processing, spellchecker, built into the text box
What problems are you solving with the product? What benefits have you realized?
Signing and filling contracts and forms daily
Very easy to use, intuitive, secure, and affordable.
What do you dislike?
No word processing, spellchecker, built into the text box
What problems are you solving with the product? What benefits have you realized?
Signing and filling contracts and forms daily
2019-05-21
great editing software
great editing software. easy to use and loved how easy it was to start to use because i never had to go through any major learning curve.
2024-10-03
Great service for price and for my budget ... will learn more option i can use ... but for now i need to transfer my doc in PDF for protecting if sent and this is perfect for me :) Thank you for affordable service :)
2022-12-18
Cancelling a subscription can be an intimidating and anxiety creating experience. NOT WITH THESE PEOPLE!!! Today I logged in to my account. ***** linked in as my Chat contact and in less then 1 minute the subscription was taken care of for me!!!! I have had to fight too many providers about cancelling subscriptions so THIS WAS REFRESHING!!! Such a contrast and it makes me want to stay connected with them if I ever need their services again.Don't hesitate to access their services and products.
2022-02-14
Great product
Amazing product, highly recommend. I did have some slight issues that was a little frustrating, but I used another tool and It worked amazing. Thanks!
2021-01-06
For pdfFiller’s FAQs
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What is Max vibration?
When setting up a vibration measurement, one selects a frequency range to measure (Max) and a resolution or “number of lines”. ... Typical vibration measurements are taken with 800, 1,600 and occasionally 3200 lines of resolution depending on the Max.
What is FFT 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 frequency resolution of FFT?
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 frequency resolution of DFT?
DFT Frequency Resolution. The frequency resolution is just the sample frequency divided by the number of samples (which is also the number of steps in the DFT sine table). If we have a sample rate of 10240 Hz for our 1024 samples, for instance, we will get 10 Hz resolution. ... just one half-cycle of the full 5 Hz wave.
What is frequency bin in FFT?
Reminder : Bins. The FFT size defines the number of bins used for dividing the window into equal strips, or bins. Hence, a bin is a spectrum sample, and defines the frequency resolution of the window.
What is the FFT size?
The number of spectral lines is always 1/2 of the selected FFT size. ... The frequency resolution of each spectral line is equal to the Sampling Rate divided by the FFT size. For instance, if the FFT size is 1024 and the Sampling Rate is 8192, the resolution of each spectral line will be: 8192 / 1024 = 8 Hz.
How does sampling rate affect frequency?
The sample rate is also called as sample frequency, higher the sample frequency obtains a signal which is similar to original analog signal for good audio quality. The file size depends upon the sample frequency. The bit depth refers to no. of bits in each sample, determines the maximum signal-to-noise ratio.
What does FFT size mean?
FFT Size and “Bins” The FFT size defines the number of bins used for dividing the window into equal strips, or bins. Hence, a bin is a spectrum sample, and defines the frequency resolution of the window.
What does FFT mean?
A fast Fourier transform (FFT) is an algorithm that computes the discrete Fourier transform (DFT) of a sequence, or its inverse (IDF). Fourier's analysis converts a signal from its original domain (often time or space) to a representation in the frequency domain and vice versa.
How does the FFT work?
The FFT works by requiring a power of two length for the transform, and splitting the process into cascading groups of two (that's why it's sometimes called a radix-2 FFT). ... For a 1024 point FFT, that's 10,240 operations, compared to 1,048,576 for the DFT.
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