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How to handle mismatch between a quantum phase noise question and the current answer? "...because this is a DSP group, and 'quantum' is about physics"

Why can't quantum phase noise in radio astronomy amplifiers just be filtered out after down conversion, instead of down-converting first? asks (somewhat naively1 perhaps) about quantum phase noise....
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  • 171
0 votes
1 answer
23 views

Reverting mistaken votes

I voted to reject an edit by mistake in this question: https://dsp.stackexchange.com/a/25977/11256. Is there a way to correct this?
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0 answers
13 views

2021: 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 preceding calendar year. As most of you here are aware, sites on the Stack Exchange ...
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  • 101
2 votes
0 answers
14 views

Any questions for the Stack Exchange VP of Community?

Jojek, Datageist, and I have been asked if we want to meet with the Stack Exchange VP of Community, Philippe. Does anyone have any questions for Philippe?
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2 votes
1 answer
39 views

Hay, sorry if it looks like I was taking over the site

I was just updating references to the Audio EQ Cookbook to the W3 page, which, I think, is the final resting place for it.
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1 vote
1 answer
24 views

Can this question be re-opened?

I edited this question, but I'm not sure what the process is to get it re-opened. Any suggestions?
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  • 219
12 votes
0 answers
37 views

Can we get code highlighting turned on, please?

This has been asked before, but our site is currently not on the list of sites where it's enabled. The suggestion on that last link is: If a topic isn't primarily focused on programming but could ...
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  • 22.5k
0 votes
1 answer
21 views

How did we deal with correction promoting sound yet non-standard spelling?

In the post originally termed: "What is the difference between a causal system and a memory system?", someone corrected the term "memory system" to "memoryful", as ...
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0 answers
17 views

Is this question appropriate for this group?

https://ham.stackexchange.com/questions/19966/interpreting-gps-signals-from-auxiliary-3-5mm I asked this question in the ham radio stack, and they suggested seeing if maybe this group finds it ...
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  • 101
3 votes
1 answer
29 views

Ten Year anniversary blog post

I am preparing to share a blog blurb for the upcoming blog post next week with our Marketing team. We're going to follow the template from last quarter's celebratory post. You can see the format here. ...
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  • 101
3 votes
2 answers
61 views

LaTeX quick guide

am noob, tutorials too long. Quick guide?
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3 votes
2 answers
24 views

Ten year anniversary

This year will mark 10 years of the SP.SE site being active. The mods have received some communication from SE that they'd like to celebrate this. So I have some questions for the community: Do we ...
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  • 22.5k
3 votes
2 answers
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Whose idea was it to create this short-time ft tag?

why was that tag created? why not just leave it as stft? https://dsp.stackexchange.com/tags/short-time-ft/synonyms
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2 votes
0 answers
35 views

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 ...
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  • 101
2 votes
1 answer
33 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 ...
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4 votes
0 answers
89 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 ...
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  • 737
2 votes
2 answers
97 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 ...
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0 answers
36 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 ...
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  • 171
1 vote
0 answers
65 views

CPU Overload on DSP.SE

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 ...
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  • 6,905
2 votes
1 answer
47 views

why is this question yellow?

What is the Effect of Multiplying a Function by the Unit Impulse Function in the Frequency Domain?
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0 votes
1 answer
37 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? ...
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  • 2,552
2 votes
1 answer
37 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.
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1 vote
1 answer
29 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. ...
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1 vote
1 answer
22 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 ...
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1 vote
1 answer
21 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 ...
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3 votes
3 answers
88 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 ...
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  • 101
0 votes
0 answers
47 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 ...
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0 answers
52 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. ...
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  • 539
4 votes
0 answers
31 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, ...
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  • 101
7 votes
7 answers
369 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} } = \...
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  • 6,905
3 votes
1 answer
20 views

Adding the Mathematica tag

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" ...
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3 votes
1 answer
34 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 ...
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1 vote
1 answer
27 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 ...
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  • 111
1 vote
1 answer
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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 ...
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2 votes
1 answer
48 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 ...
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0 votes
1 answer
59 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 ...
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5 votes
2 answers
69 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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  • 737
3 votes
1 answer
55 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?
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3 votes
2 answers
185 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 ...
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3 votes
2 answers
104 views

About that discussion policy

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 ...
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  • 6,905
1 vote
1 answer
25 views

Two tags for compressed sensing. Why not merge them?

We have tags compressed-sensing and compressive-sensing. Why not merge them?
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2 votes
1 answer
142 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 ...
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  • 26.7k
3 votes
1 answer
58 views

Two tags for SDR. Why not merge them?

Signal Processing SE has tags sdr and software-defined-radio. Why not merge them?
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0 votes
1 answer
35 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 ...
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2 votes
2 answers
80 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 ...
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2 votes
2 answers
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" ...
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1 vote
2 answers
47 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 ...
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  • 101
6 votes
1 answer
50 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 ...
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  • 22.5k
0 votes
1 answer
34 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 ...
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3 votes
2 answers
85 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 ...
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