# Questions tagged [analog]

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1answer
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### Proof-of-concept for active noise cancellation to block consistent low-frequency HVAC noise transmission

Background We live in a multi-unit building where each unit's HVAC system/closet is located directly across a party-wall from the neighboring unit's bedroom, and adjacent to a shared external curtain ...
0answers
181 views

### Designing a practical integrator

One way to describe a practical integrator ("leaky integrator") is $$H(s) = \frac{g R}{1 + sRC}$$ I am trying to understand how to choose the values $g$, $R$ and $C$ because in practice, I will ...
1answer
65 views

### Signals sampling

I have a simple question, but sadly I'm kind of "noob" in signals theory. A signal having 4 harmonics at the following frequencies: 1 kHz, 2 kHz, 3.5kHz and 4.2 kHz. (How can a signal have harmonics "...
0answers
87 views

### Digital or analogue filtering?

I'm trying to self learn the art of signal processing whilst moving through my third year pure maths degree. Sorry if my terminology is incorrect however I hope I am understandable! I am looking at ...
0answers
73 views

### Processing digital sound in Audiokit to sound like the 1960's

I am looking to imitate 70's analog equipments sound. I was wondering is there a way to create tape saturation / distortion inside Audiokit? I want to add that and randomized tape crackles and ...
0answers
69 views

### Dealing with quantization level limiting dsp

There is a analog signal in the form as below: $$f(t)=A \sin(\omega(t) t+\phi)+B \sin(\omega(t-t_1) t+\phi_1)$$ Where $$B<<A$$ We are going to calculate $\phi, \phi_1, t_1$,using dsp. But ...
0answers
21 views

### Determining type of analog filter given its pole zero plot

How can i classify an analog filter given its pole zero map. For example: I've got my zero's located at $±2j$ and my poles located at $-1$ & $-2$ , then what is the nature of the filter? \$ i.e, ...
1answer
68 views

### confusion between frequency and amplitude in digital to analog and vice versa conversion

bandwidth is defined as the difference between the highest frequency and lowest frequency. amplitude is the distance between the, let's call it a crest and a trough, in a wave. cycle is the time per ...
2answers
380 views

### How do I normalize accelerometer signals values to an relative scale?

Different smartphone devices have accelerometers manufactured by different manufacturers. Say I want to categorize vibrations recieved from various devices into one of the following scales : ...