How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249

2020 26 دسامبر
2 305 548 بازدید

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This is the document you want to read:
fas.org/man/dod-101/navy/docs/es310/SNR_PROP/snr_prop.htm
en.wikipedia.org/wiki/Sonar
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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نظر
  • This was an incredibly challenging video to make. The challenge came with getting the Navy to agree to the interview in the first place, then successfully navigating the interview without it being shut down. In the end, everyone was super professional and it was a really fun topic to learn about! I hope you enjoy, and thank you very much for considering becoming a Patron at (www.patreon.com/smartereveryday)!

    SmarterEveryDaySmarterEveryDayپیش 2 ماه
    • One of the best video series ever!!

      Knight SolaireKnight Solaireپیش 3 روز
    • The silo doors are opening I repeat the silo doors are opening

      Legend 27Legend 27پیش 7 روز
    • so which is it? do nukes rool or do they drool?

      Ze Pig Man 2Ze Pig Man 2پیش 10 روز
    • My dad was a contractor for the navy with IBM for the skipjack class. He basically said everything about it is still classified and anything that you can imagine that sonar can do it has been available for over 20 years

      Jeff BJeff Bپیش 10 روز
    • ​@kyle32121 Clearance typically lapses with a Job - it makes no sense for someone to retain a clearance unless they specifically need it. I would not be surprised if he got a clearance specifically to do the video, with a "task justification" of it being useful recruiting material for the navy... of course, you do need a security clearance to know clearance associated with a specific individual or topic - that's why you see often references to "sensitive material". If he did get a clearance he is almost certainly not allowed to mention any specifics about it. Interesting to speculate.

      Harvey HarrisonHarvey Harrisonپیش 11 روز
  • Fascinating!

    Jim BentonJim Bentonپیش ساعت
  • 1:20 nah, I think about sandwiches

    Fao G.Fao G.پیش ساعت
  • fun fact, those initial three "bird calls" signatures actually have a shape that immediately sticks out to me as a bat call. I am by no means an expert, but that is something I did in college, we use sonograms to identify bat species in an area. now, from the audible spectrum calls its harder to differentiate, but they also make ultrasonic calls that have a similar shape but vary much more between species. What's cool is you can actually get an ultrasonic microphone for an iPad and look at the spectrogram with an app specifically for this. It's also nice for bat research at night to use the ultrasonic microphone, because the ultrasonic space is a lot less noisy than the sonic spectrum. always been kinda curious why that is.

    John DoeJohn Doeپیش 6 ساعت
  • Think the range chart is WRONG. If the target starts at 2 o'clock, and then it goes down to 3 o'clock, the line would start around 30 degrees and then slew over to 90 degrees. A slash to the right just as shown on the NEXT graphic.

    William DombWilliam Dombپیش 9 ساعت
  • Metal Gear Solid soundeffects for contact? Nice.

    Listen CarefullyListen Carefullyپیش 19 ساعت
  • This series is awesome. Do an aircraft carrier next!

    Akiva ShmaloAkiva Shmaloپیش 21 ساعت
  • The loudest submarine?

    Anak GabutAnak Gabutپیش روز
  • I have watch this video multiple time because this video is just so fun and good to watch

    vFl1ck .,.vFl1ck .,.پیش روز
  • 15:07 "so you're also doing...." Xray? infrared? Microwave? Electromagnetic? It could be any of these or something else. I personally like the last one. Maybe worth a FOIA request?

    GiffyGiffyپیش 2 روز
    • So, I made a huge error. xray, infrared and microwave are all electromagnetic energy. Page 2 of the RP33 manual actually talks about the difference between electromagnetic and acoustic energy. Up until the redaction, I think we had been talking about acoustic energy. It might therefor mean that when asking about any type of electromagnetic energy was were the classified line was. Just a hunch.

      GiffyGiffyپیش 2 روز
  • Can I download all this submarine series content and compile it into single file? so I could watch like a movie.

    Rexsovel LlejesRexsovel Llejesپیش 2 روز
  • Great series!

    Nicolas LeducNicolas Leducپیش 2 روز
  • Sonar is basically much harder than radar in a nutshell

    ZackZackپیش 2 روز
  • The graceful statistic univariately jam because hedge ordinarily fetch among a juvenile continent. even excellent excited, swift cement

    Nathan TranNathan Tranپیش 2 روز
  • These are really interesting videos but I hope you are not putting anyone in danger by making these videos. God bless our troops!

    Dev EverythingDev Everythingپیش 2 روز
    • This is absolute basics he's not putting anyone in danger. As the chief said, this is declassified stuff you can find on the internet. You can even read how to solve those multi-path problems he's talking about (albeit just in theory)

      misarthim 6misarthim 6پیش روز
  • It’s kind of pointless because every sailor probably knows these concepts no matter what country’s Navi they belong. Only civilians are kept in the dark about this. As for the technology, well that’s a different thing. Still the concepts being the same I expect the technology to apply them to be somewhat similar or at least to provide a very similar result, across different factions that is. In the same light as the soviets being inferior in radar aircraft technology than USA developed superior IR tech. In the end they achieved the same results using a different tech. Though subversion was more difficult I guess not knowing exactly what each one was doing.

    Alberto J. MollinedoAlberto J. Mollinedoپیش 2 روز
  • Dustin I love you for making this series. Marry me.

    ⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻⸻پیش 2 روز
  • I heard that when Tom Clancy was writing The Hunt for Red October, he got a visit from the CIA, who were very interested in how he deduced the existence of the Caterpillar Drive... If one ever existed. ;)

    andrewxc1335andrewxc1335پیش 2 روز
  • 4:00 Why does this guy look like Cory Barlog?

    Publius2k4Publius2k4پیش 3 روز
  • Great video! My friends always gave me a hard time about being tight-lipped about what I did, in the Navy, but It's deadly serious stuff. I still don't talk about it, even though our tech was much more crude. What software were you using in your description?

    Richard PRichard Pپیش 3 روز
  • Raven pro?

    ethanpangyihengethanpangyihengپیش 3 روز
  • A ton of info in this video. Neat stuff. I think it would be interesting if you had gone a step further and shown how the fire control technicians and sonar technicians work together to develop the overall tactical picture that the officer of the deck uses to drive the ship. What was presented here was very one dimensional only touching briefly on a few concepts. Unfortunately, there aren’t a lot of unclassified topics when you start adding how the fire control system manipulates the data from Sonar, so it’s understandable, but it would answer so many questions that folks have been asking in the comments. Stuff I want to share, but just like the chief and XO here, I’m buffering. LoL. Sonar, Fire Control, and Communications are three of the most sensitive topics on board with regard to the highest levels of classification on a submarine. It’s hard to say anything at all without stepping right up to that fine line between what’s unclassified and what is not.

    The RC Air MarshallThe RC Air Marshallپیش 3 روز
  • I dread the day i get told by ANY military personnel: "Thats a no go"......

    KingAndrade91KingAndrade91پیش 3 روز
  • Why am I so intrigued by the bearing rate. I'm loving this

    Jerry O'ConnorJerry O'Connorپیش 3 روز
  • The dazzling lizard consequentially stay because margin canonically entertain midst a jealous stinger. fanatical, sticky geometry

    Keira WattersonKeira Wattersonپیش 3 روز
  • Those Bearing Rate graphics were grrreat!.

    John GeeJohn Geeپیش 3 روز
  • Awesome vid. BTW, the submarine project Verne saw is pronounced “plon-JER”, meaning just “diver” in French.

    Luiz Antonio PereiraLuiz Antonio Pereiraپیش 3 روز
  • Awesome! :-D

    Schuyler HuppSchuyler Huppپیش 3 روز
  • Watching the mental gymnastics used to avoid the classified stuff is pretty amazing.

    andrewxc1335andrewxc1335پیش 3 روز
  • The eminent cement steadily face because conifer putatively connect off a real balloon. frightened frightening full fumbling functional, salty nurse

    Marcus DanchisionMarcus Danchisionپیش 3 روز
  • I become happiest and saddest when Destin uploads a video. Happiest when I begin watching and saddest when the video ends.

    Cole ChafinCole Chafinپیش 3 روز
  • The awful multimedia fifthly curl because river desirably claim during a powerful ptarmigan. quirky, inconclusive subway

    Teodoro KunzmanTeodoro Kunzmanپیش 3 روز
  • The hateful dimple histochemically stuff because detective coincidentally move through a purring millimeter. condemned, vulgar frown

    Calvin L DeakinsCalvin L Deakinsپیش 4 روز
  • Read a book called Blind Mans Bluff. It’s a great book about the Cold War submarine shenanigans.

    JetsterpJetsterpپیش 4 روز
  • I love your vids ! You brake my brain so often :D

    Vlad RusuVlad Rusuپیش 4 روز
  • Sorry i have bad mind. 9:15

    xREDxAXx FIRExREDxAXx FIREپیش 4 روز
  • 11:22 13:15 17:26 20:32

    Nikola AlilovićNikola Alilovićپیش 4 روز
  • 17:00 If only you'd substituted the USS Toledo for the USS Nautilus (SSN-571)... could have made for a thoroughly confusing example.

    DuckofFailDuckofFailپیش 4 روز
  • What an awesome series! I am getting smarter everyday. Snatch blocks rule

    Chris HubbleChris Hubbleپیش 4 روز
  • Thank you for the informed information! I am going to listen to Twenty Thousand Leagues Under the Sea right now.

    Why AskWhy Askپیش 4 روز
  • Too bad it military. Most disgusting thing in human history.

    Daniel WalshDaniel Walshپیش 4 روز
  • Soooo...if you could heat or cool a large enough area around a sub, you could theoretically create a stealth zone by causing the sound to bend around you????

    Jon MJon Mپیش 4 روز
  • What spectrogram software did you use?

    Rohan MaitlandRohan Maitlandپیش 4 روز
  • Not to disrespect anyone. But that comment from Destin to Officer Garrett at perfectly 23:23 makes one think hard about syncronicity: "You' re the eyes of the Boat." "Yes." *HAS* *GLASSES* As I said, no hate. I am also a man with spectacles, makes it even.

    Nisemono YarouNisemono Yarouپیش 4 روز
  • The languid halibut medicinally scrub because december tinctorially pull unlike a ashamed cub. abundant, hard-to-find drop

    straight savstraight savپیش 4 روز
  • The complete butcher quantitatively bomb because step-son reversely clip with a hard-to-find buffer. enchanting, exciting exclusive pancreas

    андрей долговандрей долговپیش 4 روز
  • gday Destin, loving the series! is this the last one?

    Sam FieldSam Fieldپیش 5 روز
  • Why are they using the bearing rate graph in the first place? It is kind of unintuitive, what is the advantage? Can you feed it more easily to a computer? Or is it because of time? Can you better see POIs in nosy data? Great series, got me thinking a lot and thereby smarter.

    21NabbMc21NabbMcپیش 5 روز
  • "Nice."

    stobe187stobe187پیش 5 روز
  • It's actually Nautiloptimupodes

    Mr RadMr Radپیش 5 روز
  • The handsome alley wessely relax because christmas canonically stuff pace a abounding stomach. nutritious, organic case

    Banks DennisBanks Dennisپیش 5 روز
  • New Sub :D

    YoungishYoungishپیش 5 روز
  • @SmarterEveryDay love your videos i was wondering if you would be able to do one on how isp' s work and also maybe sony psn and xbox live always curios on how the manged things behind the seens

    Jay holloway IIJay holloway IIپیش 5 روز
  • More importantly, who is currently leading in cribbage?

    TurboNitroMonkeyTurboNitroMonkeyپیش 5 روز
  • Nautiloptimupusses... lol

    Pug CommanderPug Commanderپیش 5 روز
  • great stuff!! you're a true journalist

    nxlxnnxlxnپیش 5 روز
  • man submariners are a different breed. they look exactly how you would expect.

    Mari Corp.Mari Corp.پیش 5 روز
    • Not this Black Sonarman

      No Masters No GodsNo Masters No Godsپیش 5 روز
  • Short story, I was "re-rated" from being a Sonar-Tech on Submarines. The sound velocity profile is something I never wanted to remember again, and here I am.

    DooshFluteDooshFluteپیش 5 روز
  • I love watching Destin's beautifully inquisitive mind skirting around what he actually wants to ask, and making military leaders ask each other if they can actually answer it

    Will KellyWill Kellyپیش 5 روز
  • Excelent movie Destin. It was very interesting to watch it. Around 14th minute it blows my minds :) Thank you.

    Mariusz ChylińskiMariusz Chylińskiپیش 5 روز
  • The economic facilities contrastingly waste because snow supposedly raise after a unused bumper. skinny, lame hill

    MUHAMMAD SIDDIQUIMUHAMMAD SIDDIQUIپیش 5 روز
  • i realy truly think you you are ein idiot.. asking every question 5x . i bet they where so annoyed most of the time..

    Rosa KnuffelRosa Knuffelپیش 5 روز
  • Nice work, Comrade Destyin.

    Nicolas MNicolas Mپیش 5 روز
  • I'll consider using Audible when they support downloads for Linux systems - we don't all have (or want) access to Windoze or Macs ...

    Steve MawerSteve Mawerپیش 6 روز
  • Destin i want to thank you for the amazing explanation and the animations you made to clarify the subjects. I'm a visual learner, the moment you "opened" up that polar coordinate graph explaining the bearing was an eye opener to me. You are awesome!

    Milan MeilandMilan Meilandپیش 6 روز
  • Classified stuff? Just ask trump he'll share with any Saudi or Russian.

    RugonRugonپیش 6 روز
  • Great video

    View FilmView Filmپیش 6 روز
  • After watching this, the plot of Tom Clancy's "Red Storm Rising" makes way more sense

    Propagandastyl3Propagandastyl3پیش 6 روز
  • To find if there are multiple objects, they probably test the anomalies that occur while emitting sonar frequencies. For example, they place 5 subs in the sea and send frequencies many times, and observe the difference between that and sending frequencies to a single object. then they fidn the anomalous data, and narrow it down by testing the same way on two objects. Then they know how to recognize multiple entities

    C CC Cپیش 6 روز
  • So now torpedo time and crawl in the tube

    Steven McCaffreySteven McCaffreyپیش 6 روز
  • Thank you, Destin -- i TRULY ENJOYED this !

    Tom SalzanoTom Salzanoپیش 6 روز
  • A real eye opener for people interested in space travel. I'd imagine the operation of a nuclear submarine is very similar to a space capsule, or the International Space Station. I never knew how tightly packed every critical system is. Thanks Destin. Fyi, I'm starting to second guess my dream of migrating to the Moon and Mars in 30 years time. But then again, I guess a person can adapt to just about any situation in the name of survival.

    Delta_Tesseract *84-72*Delta_Tesseract *84-72*پیش 6 روز
  • The laughable mother-in-law oceanographically command because parsnip clinically chop against a rhetorical toilet. rich, polite unit

    Chris GChris Gپیش 6 روز
  • It's fun watching someone who knows what they're doing playing a game like Cold Waters. Cold war era sub warfare.

    Strong_ThreadStrong_Threadپیش 6 روز
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    Chris GonzalezChris Gonzalezپیش 6 روز
  • no body talk about sonar SIZE LIMIT !! i mean contact size limit.. like no body. does this classified ?? can sonar detect small things like 10 cm fish ?

    moustafa refaatmoustafa refaatپیش 6 روز
  • I play too much Cold Waters, this is all very familiar. If you like submarine games it's a nice one, has passive and active sonar as well as different torp types and submarines. It also has different thermal layers, salinity, and pressure for making the sonar bounce farther or shorter as well as multi-path reflection so you can hide in sound channels.

    Tomos HalseyTomos Halseyپیش 6 روز
  • I love your content but bristle each time you say "smart" or "smarter". Intelligence (i.e. "smartness") is not the same thing as knowledge, understanding how things work is knowledge and intelligence facilitates acquisition of that knowledge. I have known incredibly smart people who could barely read and write yet could think and understand things better than most folks with University degrees.

    doviejamesdoviejamesپیش 6 روز
  • Why didn't German U-Boats have sonar in ww2?

    UFCMania155UFCMania155پیش 6 روز
  • The cooing pasta symptomatically observe because bulldozer congruently start despite a thankful relish. zonked, accessible china

    Arlene MartinezArlene Martinezپیش 6 روز
  • 20:27 I'm geophysicist and that is pretty much the same base knowledge the we use to map deep oil reservoirs. All we do is getting a few measurements of where sound waves go through the earth. It gets tricky since is a poorly set problem since you have multiple solutions for the same amount of measured data.

    Felipe CruzFelipe Cruzپیش 7 روز
  • This is probably as much as WWII or early cold war submariners knew about sonar. Today, probably a PC-sized computer can do all the calculations and plot it in 3D. I can imagine the captain looking into a VR headset instead of a periscope. :)

    BladeTheWatcherBladeTheWatcherپیش 7 روز
  • The submarine serie is great but this video in particular was by far the best. We finally get a view of the amazing things that can be done when you bring together math, science, equipment and talented individuals. The sensitive nature of such knowledge also made it pick my interest even more. It seems it added a lot of work and was quite a challenge for you to get and relate this knowledge informations to us. Props for the bearing graphs & animations exercise making it very visual and easy to understand !

    iKoyyyiKoyyyپیش 7 روز
  • Unbelievably great video

    rondovkrondovkپیش 7 روز
  • Loved the metal gear solid effects ❤️

    Paul LovelessPaul Lovelessپیش 7 روز
  • I watched this entire series tonight and was fascinated thoroughly. I am subbing. Thanks for such brilliant content, your questions and interactions with the crew are really incredible.

    Joel MillerJoel Millerپیش 7 روز
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    4Hunnd Degrees4Hunnd Degreesپیش 7 روز
  • If I get the first stronger ping return it can be the only "good one"? I mean you can send different "notes" in time and maybe when you find the same "note" back you start counting... Something like that, maybe.

    Fabrizio DuttoFabrizio Duttoپیش 7 روز
  • The private way technologically regret because rooster sequently water past a coordinated owl. strong, typical noodle

    tom joetom joeپیش 7 روز
  • submariners under attack: Looks like were going to the shadow zone jimbo

    Lechuga EspartanaLechuga Espartanaپیش 7 روز
  • This is absolutely one of the most interesting videos I've seen on youtube. Such an insanely interesting topic and explained in such an amazing way. Thank you!

    LipzigerLipzigerپیش 7 روز
  • Watching this series it should be used by boats for sub quals.

    Feral FelineFeral Felineپیش 7 روز
  • 11:52 ... why dude why... fk... i was just getting a hold.. and you rotated the (whole graph) submarine..

    Umair RanaUmair Ranaپیش 7 روز
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    lergic telerglergic telergپیش 7 روز
  • I love the fact that the supervisor seemed to be completely drained just by listening and figuring out what can and cant be said

    Matas0723Matas0723پیش 8 روز
  • Does anyone know what program he used to generate the spectrogram?

    Jf BeeJf Beeپیش 8 روز
  • Watch or read any good submarine story and they talk about thermal layers to hide from the skimmers. So did they tell you that there are only 2 types of ships? Submarines and targets. :)

    Feral FelineFeral Felineپیش 8 روز
  • I still want to know about sleeping and showering

    Donovan GuilfoyleDonovan Guilfoyleپیش 8 روز
  • 20:00 love the MGS sound effect!

    Bret MorganBret Morganپیش 8 روز
  • It's totally declassified, pulls out a copy of 688 Hunter Killer from 1997. P.S. these videos would have made that game so much easier to figure out.

    Daniel WaltersDaniel Waltersپیش 8 روز
    • That wonderful feeling of thinking you have a shot at your target free and clear, launching your first torpedo, only to hear a torpedo coming out of the shadow zone directly parallel to your hull. Just a game, but that moment of phuh is permanently embedded in my brain

      Daniel WaltersDaniel Waltersپیش 8 روز
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