# All Questions

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### 2020: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the past 12 months. As most of you here are aware, sites on the Stack Exchange network ...
12 views

### Forums for Discussing 3D Reconstruction from Images

While this and other StackExchange sites are extremely useful, as I understand it, they're for specific questions & answers, not discussions. Some of my questions aren't really well enough ...
186 views

### Signal Processing updated site theme is ready for testing!

As part of implementing the new unified themes across the network, we're gradually rolling out updated site themes for each site. As of today, we have enabled your updated site theme for testing. If ...
67 views

### Should we limit Community's bumps?

A 4 year-old thread expressed this sentiment; are we still on-board? A user under my Meta.SE post suggested we can ask for this by tagging support (also ...
43 views

### Two tags for SDR. Why not merge them?

Signal Processing SE has tags sdr and software-defined-radio. Why not merge them?
50 views

### Am I asking too many questions?

I'm currently studying wavelets and have noticed there aren't many existing references for the questions I'm asking. Is it okay that I'm submitting multiple questions before getting answers? I don't ...
418 views

### Stack Exchange Signal processing in the real life: meeting contributors

[On meeting "Stack Exchange Signal processing" contributors] Current answers: Finland, Hämeenlinna, Olli Niemitalo France, Greater Paris area (Nanterre), Laurent Duval The Netherlands, ...
170 views

### Title edits to title case

A user has been editing questions, which is generally a good thing and they are a good contributor, but they often edit the question title to title case. This has approximately doubled the number of ...
418 views

### Again, I am getting tired of all the stale, unanswered questions being dredged up by “Community”

Did you see the number of these stale questions? Can't we just kick Community's ass outa here?
301 views

### What are the units of $f/f_s$? [closed]

Which is sometimes called the normalized frequency. Is it unitless? $$\frac{f \; Hz }{f_s \; Hz } = \frac{f}{f_s}$$ Or not?  \frac{f \; \frac{cycles}{second} }{f_s \; \frac{samples}{second} } = \...
18 views

### post-processing chat room is frozen, related items in other sites or info potentially of interest to community or mods unpostable; a good thing?

I went to post a DSP related question in Astronomy SE Why does the background noise in this image of 2020 QG look like corduroy? and could not even see the earlier existence of the chat room, no ...
56 views

Lately, my browser has been causing my CPU (quad core, all of them) to go nearly 100% when opening pages on this site. Granted I have an older computer, but still. Other sites to this as well, with ...
122 views

### How good are “we” at recognising and responding to stress?

The starting point for this post is this question and the behaviour of the poster. The person is clearly stressed and is starting to become irritated. The reason behind their stressful situation is ...
37 views

### why is this question yellow?

What is the Effect of Multiplying a Function by the Unit Impulse Function in the Frequency Domain?
30 views

### Beginning with SDRs, recommendations

I am looking to venture into SDRs for educational purposes and getting some practical hands on experience with them. Any pointers to how I can start, which texts/tutorials? which softwares to use? ...
26 views

### Synonym for $\Delta\Sigma$

At the moment, we have tag delta-sigma. Some use $\Delta\Sigma$, others use $\Sigma\Delta$. I am more familiar with the latter, for example. Hence, I propose that the synonym sigma-delta be created.
24 views

### FIR as a synonym

At the moment, we have tag infinite-impulse-response with synonym iir. We also have tags finite-impulse-response and fir. However, the latter is not a synonym for the former. I believe it should be. ...
20 views

### Inconsistency in tags for A/D and D/A conversion

At the moment, we have tags adc and digital-to-analog. The former is more popular than the latter. Hence, I propose that: adc be renamed analog-to-digital with synonym adc. dac be created as a ...
71 views

### Community Promotion Ads — 2020

2020 has come! But… oops, where did the time go? It’s already March! Belated as it is, it’s time for a refresh of Community Promotion Ads! What are Community Promotion Ads? Community Promotion Ads ...
18 views

### “needs more focus”: Significantly different from former “too broad” close reason

The new "needs more focus" wording is Needs more focus This question currently includes multiple questions in one. It should focus on one problem only. And that doesn't cover the 80%* of ...
38 views

### Possible migration from sound.SE

I asked a question on sound.SE regarding the DC/AC output of an SPL meter. I was hesitant regarding the best suited SE website. Since the question is pretty specific to audio, I choose sound.SE. But ...
36 views

### Comparing DSP vs DTSP

Everyone have theirs choice and comfort in learning through books and prefer one author(s) over another. For concepts what is your preferred book and why? Digital Signal Processing - John G. ...
29 views

### 2019: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, ...
61 views

### Where should I go for non-Q&A DSP discussions?

I've been apart of DSP stack exchange for a handful of years now and have received (and occasionally provided) useful answers to technical/academic type questions. However, I often cut many of these ...
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I noticed there is a matlab. What do you think of adding the mathematica ? There are about one hundred questions that would be relevant. I don't know if the admins have tools to "mass retag" ...
24 views

### Why has this question disappeared?

I encountered this question which references this question which has since been "deleted by the author". The fact that it was referenced by this other question, and the fact that it appears like it ...
24 views

### Is it considered as noise to thank authors for their answers?

I thank a lot. This is a cultural thing, and I feel uncomfortable with the idea of just anonymously upvoting when people spend quite some time (and sometimes quite an impressive time) to answer my ...
23 views

### Is the “homework” tag suitable for non-homework questions?

I just discovered there is the homework tag that " lets potential answerers know that they should guide the student in solving the problem, rather than simply showing the complete answer." But is ...
44 views

### What to do if multiple accounts are ostensibly the same person?

Case in point: https://dsp.stackexchange.com/posts/62182/revisions shows that Man and user46417 are one and the same user. Personally, I'd recommend a deletion of the "unnamed" user with pointing ...
55 views

### Signal Processing made viral on social media?

tex.stackexchange is active on Twitter, see for instance: Are ^ and _ the only commands in LaTeX not preceded by a backslash? Since StackExchange communities are quite different in behavior, do you ...
53 views

### EE homework is kicking my behind

EE student here, having a hell of a time with some homework. Is this the right place to ask for some help or guidance?
99 views

Okay, so there seems to be a local policy of "discussions" in commentary need to be sent to the "chat room" corner. Even if the discussion is spot on topic with the question and answers posted. Why ...
24 views

### Two tags for compressed sensing. Why not merge them?

We have tags compressed-sensing and compressive-sensing. Why not merge them?
103 views

### what is this “user removed” thing?

From time to time I remember having seen negative-points on my sum, indicated by the phrase "user removed". Eventhough still annoying, that's not much of a problem. Nevertheless, you just wonder the ...
29 views

### Is it allowed to “bump” a post to attempt to get any kind of response?

I have a question about my Signal Processing Stack Exchange post: How do 2D DCT basis functions interact to produce 8x8 JPEG tiles? I feel this is a valid question (maybe not! i'm an outsider to the ...
79 views

### Can this post be completely deleted?

SE had a glitch while I was modifying an answer immediately after first posting it (edits made within the first five minutes don't show up as edits). For some reason it posted the old answer and ...
38 views

### Could we have a “belongs on a different…”->electronics.SE close reason?

There have been several questions that revolve around e.g. wave propagation in waveguides, antenna array factors, noise in electronic systems etc. Though most of them are pretty clearly "better off" ...
46 views

### Community Promotion Ads — 2019 [duplicate]

2019 is here! And with the new year, as usual, comes a new iteration of Community Promotion Ads! Let’s refresh these for the coming year :) What are Community Promotion Ads? Community Promotion Ads ...
82 views

### Multiple self-deletion of content

A few times now, I've been seeing flags of high-reputation users deleting valuable content. Following the guidance here and here, I've been rolling back such deletions and, if it comes to it, locking ...
47 views

### Custom off-topic reasons: what to use as #3?

The Stack Exchange sites like Signal Processing allow for three custom (and one default) off-topic reason. The default is: and our currently-used two custom ones are: and There is currently an ...
31 views

### How much of Image Processing does Signal Processing Handle?

sorry to make this meta post sound like a domain problem. I'd have asked on the main site if that were (only) the case. I'm interested in how relavent DIP, NIP and CV are here. This community seems ...
37 views

### 2018: a year in moderation

It's New Year's Day in Stack Exchange land... A distinguishing characteristic of these sites is how they are moderated: We designed the Stack Exchange network engine to be mostly self-regulating, in ...
90 views

### Proposing a collective DSP.SE curated resource

I have often come across posts, articles, papers that I have thought that they would be of interest to this community. Here is one example (posted in the chat earlier this year) and here is a more ...
103 views

### Signal processing: a science or a technology on StackExchange?

I have always thought about signal processing as a blended discipline. We already had the debate here, several times,for instance in: What is Signal Processing? Signal Processing or Computer Science ...
41 views

### How do I undo a *reviewer approve" action?

oops. here is the first one. i thought it was some kinda correction bot at first, but now i don't get it.
255 views

### Culture of knowledge and academic discourse on this board

I would like to inform everybody that you are losing me as a contributing member of this community. I cannot stand the hostility against non-engineering (but rather math oriented) approaches to DSP ...
79 views

### “-198 Serial voting [of someone else] was reversed”

this is literally "erroneous or unexpected behaviour in the system", so i am calling it a bug. what happened? why did it happen? what is the justification for it happening? i don't really need or ...
101 views

This question was migrated to SO. I was wondering why, since it's not a particularly good fit for SO: Image of (pseudo?) code: a big no-no. Asking to read paper by a 3rd party and find an error in it:...