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11 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? ...
1
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1answer
13 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.
1
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1answer
9 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. ...
1
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1answer
15 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 ...
0
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1answer
15 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 ...
2
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3answers
55 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 ...
0
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0answers
30 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 ...
0
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0answers
30 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. ...
4
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0answers
22 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, ...
4
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0answers
28 views

What are the units of $f/f_s$?

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} } ...
3
votes
1answer
14 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" ...
3
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1answer
16 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 ...
1
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1answer
19 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 ...
1
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1answer
12 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 ...
2
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1answer
33 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 ...
0
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1answer
33 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 ...
5
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2answers
42 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 ...
3
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1answer
46 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?
3
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2answers
138 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 ...
2
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2answers
82 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 ...
1
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1answer
20 views

Two tags for compressed sensing. Why not merge them?

We have tags compressed-sensing and compressive-sensing. Why not merge them?
2
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1answer
80 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 ...
1
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0answers
20 views

Two tags for SDR. Why not merge them?

We have tags sdr and software-defined-radio. Why not merge them?
0
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1answer
27 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 ...
2
votes
2answers
54 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 ...
2
votes
2answers
32 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" ...
1
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2answers
40 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 ...
6
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1answer
41 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 ...
0
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1answer
24 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 ...
3
votes
2answers
57 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 ...
3
votes
0answers
35 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, ...
4
votes
1answer
164 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 ...
2
votes
0answers
61 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 ...
4
votes
2answers
78 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 ...
1
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1answer
30 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.
1
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2answers
76 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 ...
6
votes
1answer
90 views

Why was this question migrated to SO?

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:...
2
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0answers
51 views

I know it's painful, but could someone check my math?

regarding this answer. it also seems to me that this result should have been obtained and published somewhere or documented in a book somewhere, but i dunno where. if someone knows of a reference, i ...
3
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0answers
125 views

anyone care to look at this and comment?

Alias-free digital nonlinear filter design i am really trying to hold my tongue. in fact, i am openly declaring that i don't grok the answer and would simply like it explained in language we all ...
4
votes
4answers
240 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 ...
3
votes
1answer
79 views

DSP Concepts Visually Explained

One of my all-time favorite SE questions is Visually stunning math concepts which are easy to explain. Has there been any similar post on DSP.SE? Would this be an appropriate thing to post?
4
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0answers
65 views

hay Fat32, thank you for pushing me over the edge into 5 digits

now with all this rep, i got "Access to Moderator tools". so what good are "Moderator tools"? can i kick someone's butt outa here? throw my weight around? what good is having rep if i can't make ...
1
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1answer
23 views

Is there a way to edit a question or answer for a typographic reason and not have the thread placed at the top?

I wanna be able to indulge my OCD and "fix" some posts (questions or answers) without the presumption that there is something "new" that deserves attention.
5
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1answer
44 views

Rename the `Hilbert` Tag into `Hilbert-Transform`

There is a tag named hilbert which is used mainly in the context of Hilbert Transform. I suggest renaming it into hilbert-transform (Merging it with the current hilbert-transform tag). The Hilbert ...
5
votes
2answers
110 views

should i get ina scruff with this person, or what?

2x oversampling by inserting zeros? his/her user page has this: "La Conquista Stackexchange is a collection of stupids playing smart. I never met so many stupids in my whole life."
3
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5answers
79 views

How do we respond to less than full disclosure

I just deleted my answer to Count fish passing through a canal I answered under the assumption that this was a school project but the OP eventually mentioned he had a commercial intent. I feel I ...
1
vote
1answer
21 views

Notice: I've just removed all [tag:audio-processing] tags; blacklist?

Since audio was used with but two of the 12 questions, that tag seems very redundant. I'd recommend a tag blacklist for that, just to avoid it being added later on. It's an intrinsic tag. related: ...
3
votes
1answer
61 views

Why are questions asking for terms off-topic?

The question What is the moment when all oscillators aligned to make a jump called? asks for correct term and is closed as off-topic. According to What topics can I ask about here? - Help Center, I ...
4
votes
2answers
92 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 ...
8
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6answers
138 views

How can we be more welcoming?

This recent SO blog post got me thinking about how DSP.SE can be more welcoming of newcomers of all flavors. The specific sorts of questioners that I believe we need to encourage more are: Homework ...

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