Physics, 13.12.2021 18:20 angelgrant780
How does the digestive system work at the organ system level?
The esophagus pushes food from the back of your throat down towards the stomach.
Organs work together to convert large pieces of food into molecules cells can use to get energy.
Muscle cells contract
Nervous tissue sends signals to your brain to signal that the stomach is full
Answers: 3
Physics, 21.06.2019 22:30, droidd133
Fft review: linspace, fs, fftshift, nfft 1. generate one second of a cosine of w,-10hz sampled at f, = 100hz and assign it to x. define a tt as your time axis 2. take 64 points fft. 3. as you remember, the dft (which the fft implements) computes n samples of s2t where k-0,1,2, n -1. plot the magnitude of this 64-points fft at range 0 to 63, what do you think of this graph? 4â·to get the x-axis into a hz-frequency form, plot this 64-points fft between-50 to 50 (the 100hz sampling rate) and have n-points between them. 5. according to your figure, what frequency is this cosine wave at? 6. remember that the fft is evaluating from 0 to 2ď€. we are used to viewing graphs from-ď€ to ď€. therefore, you need to shift your graph. 7. now according to your shifted graph. what frequency is this at? 8. note that the spikes have long drop-offs? try a 1024-point dft. note that the peak is closer to 10 and the drop-off is quicker. although, now sidelobes are an issue
Answers: 2
How does the digestive system work at the organ system level?
The esophagus pushes food from the b...
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