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a/_data/ntnu-courses.yml b/_data/ntnu-courses.yml index 8fce2d0..e2c57e7 100644 --- a/_data/ntnu-courses.yml +++ b/_data/ntnu-courses.yml @@ -1,51 +1,77 @@ +# Våren 2021 +- + name: Våren 2021 + href: 21v + courses: + - + course: ttt4280 + desc: Sensorer og instrumentering, våren 2021. + updated: 2021-01-11 + # Høsten 2020 -- - course: tfe4152 - desc: Design av integrerte kretser, høsten 2020. - updated: 2020-12-16 - href: tfe4152/summary -- - course: ttt4120 - desc: Digital signalbehandling, høsten 2020. - updated: 2020-12-06 - href: ttt4120/summary -- - course: mfel3010 - desc: Medisin for teknologi- og realfagsstudenter, høsten 2020. - updated: 2020-11-25 - href: mfel3010/summary -- - course: tfe4146 - desc: Halvlederkomponenter, høsten 2020. - updated: 2020-11-23 - href: tfe4146/summary +- + name: Høsten 2020 + href: 20h + courses: + - + course: tfe4152 + desc: Design av integrerte kretser, høsten 2020. + updated: 2020-12-16 + href: tfe4152/summary + - + course: ttt4120 + desc: Digital signalbehandling, høsten 2020. + updated: 2020-12-06 + href: ttt4120/summary + - + course: mfel3010 + desc: Medisin for teknologi- og realfagsstudenter, høsten 2020. + updated: 2020-11-25 + href: mfel3010/summary + - + course: tfe4146 + desc: Halvlederkomponenter, høsten 2020. + updated: 2020-11-23 + href: tfe4146/summary # Våren 2020 -- - course: ttt4270 - desc: Elektronisk systemdesign, prosjekt, våren 2020. - updated: 2020-05-05 +- + name: Våren 2020 + href: 20v + courses: + - + course: ttt4270 + desc: Elektronisk systemdesign, prosjekt, våren 2020. + updated: 2020-05-05 # Høsten 2019 -- - course: ttt4265 - desc: Elektronisk systemdesign og -analyse II, høsten 2019. - updated: 2019-12-02 -- - course: tdt4160 - desc: Datamaskiner og digitalteknikk, høsten 2019. - updated: 2019-11-28 +- + name: Høsten 2019 + href: 19h + courses: + - + course: ttt4265 + desc: Elektronisk systemdesign og -analyse II, høsten 2019. + updated: 2019-12-02 + - + course: tdt4160 + desc: Datamaskiner og digitalteknikk, høsten 2019. + updated: 2019-11-28 # Våren 2019 -- - course: ttt4260 - desc: Elektronisk systemdesign og -analyse I, våren 2019. - updated: 2019-05-05 -- - course: tma4105 - desc: Matematikk 2, våren 2019. - updated: 2019-05-21 -- - course: tdt4102 - desc: Prosedyre og objektorientert programmering, våren 2019. - updated: 2019-05-15 \ No newline at end of file +- + name: Våren 2019 + href: 19v + courses: + - + course: ttt4260 + desc: Elektronisk systemdesign og -analyse I, våren 2019. + updated: 2019-05-05 + - + course: tma4105 + desc: Matematikk 2, våren 2019. + updated: 2019-05-21 + - + course: tdt4102 + desc: Prosedyre og objektorientert programmering, våren 2019. + updated: 2019-05-15 \ No newline at end of file diff --git a/ntnu/ttt4265/ttt4265.md b/ntnu/19h/ttt4265/ttt4265.md similarity index 100% rename from ntnu/ttt4265/ttt4265.md rename to ntnu/19h/ttt4265/ttt4265.md diff --git a/ntnu/tdt4102/tft4102.md b/ntnu/19v/tdt4102/tft4102.md similarity index 100% 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index 73129ab..d3eb50a 100644 --- a/ntnu/ntnu.html +++ b/ntnu/ntnu.html @@ -4,13 +4,15 @@ title: "NTNU" description: "Alt som har med studier på NTNU å gjøre." --- -{% assign courses = site.data.ntnu-courses | sort: 'update' %} +{% for semester in site.data.ntnu-courses %} +

{{ semester.name }}

+{% assign courses = semester.courses | sort: 'update' %}
{% for course in courses %}
-
{{ course.course | upcase }}
+
{{ course.course | upcase }}

{{ course.desc }}

@@ -19,4 +21,5 @@ description: "Alt som har med studier på NTNU å gjøre."
{% endfor %} -
\ No newline at end of file +
+{% endfor %} \ No newline at end of file From cd1118104a7ad1a46829d993eb2e7edbf5fd7b5e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=98yvind?= Date: Mon, 11 Jan 2021 12:26:26 +0100 Subject: [PATCH 2/7] Fixed typo --- ntnu/ntnu.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ntnu/ntnu.html b/ntnu/ntnu.html index d3eb50a..25f20d2 100644 --- a/ntnu/ntnu.html +++ b/ntnu/ntnu.html @@ -12,7 +12,7 @@ description: "Alt som har med studier på NTNU å gjøre."
-
{{ course.course | upcase }}
+
{{ course.course | upcase }}

{{ course.desc }}

From 6feef1b8ed9fdc322c6c0f5d70fcc4692c35068d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=98yvind?= Date: Mon, 11 Jan 2021 12:27:56 +0100 Subject: [PATCH 3/7] Start lecture 1 in TTT4280 --- .../ttt4280/lectures/2021-01-11/2021-01-11.md | 57 ++++++++++++++++++ .../2021-01-11/figures/grunnmodell.jpg | Bin 0 -> 13215 bytes .../lectures/2021-01-11/figures/true-prec.jpg | Bin 0 -> 7469 bytes ntnu/21v/ttt4280/ttt4280.md | 10 +++ 4 files changed, 67 insertions(+) create mode 100644 ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md create mode 100644 ntnu/21v/ttt4280/lectures/2021-01-11/figures/grunnmodell.jpg create mode 100644 ntnu/21v/ttt4280/lectures/2021-01-11/figures/true-prec.jpg create mode 100644 ntnu/21v/ttt4280/ttt4280.md diff --git a/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md b/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md new file mode 100644 index 0000000..b2a9a2f --- /dev/null +++ b/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md @@ -0,0 +1,57 @@ +--- +title: "TTT4280 - 2020-01-11" +description: "Intro og Måleusikkerhet" +math: true +--- + +## Faglig innhold + +* Måleusikkerhet +* Støyanalyse +* Sensorer og aktuatorer +* Sensortyper + +## Hva er sensorer + +Noe som kan lese den fysiske verdenen til noe vi kan prosessere. + +Finnes mange forskjellige sensorer. Flere i biler, telefoner, klokker osv. + +Tidligere ble det estimert at vi skulle ha ca 50 milliarder sensorer i 2020. + +## Måleusikkerhet + +Bruk av sensor = Utføre en måling. + +...og måleverdier har en usikkerhet. + +I visse situasjoner har måleusikkerheten masse å si, i andre har det ikke så mye å si. + +Sensitivitet er en måling for å ikke gjøre en Type II feil (alarmen løser **ikke** ut). + +Spesifisitet er en måling for å ikke gjøre en Type I feil (**falsk** alarm). + + + +### Grunnmodell for måleprosess + +![Grunnmodell](figures/grunnmodell.jpg) + +I realiteten er det støy i alle ledd. + +Sannsynligheten for at et sensorsystem gir riktig svar påvirkes av (minst) to faktorer: + +* Hvor entydig er underliggende sammenhenger? +* Hvor nøyaktig kan vi måle de fysiske størrelsene? + +$$ \text{SNR} = \frac{\text{(Effekten for) sann verdi}}{\text{(Effekten for) støy}} $$ + +### Målefeil + +Stokastiske feil (Type A feil) påvirker målingens *presisjon*. +Presisjonen beskriver hvor reproduserbart en måling er. + +Systematiske feil (Type B feil) påvirker målingens *sannhet*. +Sannheten er en måling på hvor langt unna den sanne verdien en måling er. + +![Målefeil](figures/true-prec.jpg) \ No newline at end of file diff --git a/ntnu/21v/ttt4280/lectures/2021-01-11/figures/grunnmodell.jpg b/ntnu/21v/ttt4280/lectures/2021-01-11/figures/grunnmodell.jpg new file mode 100644 index 0000000000000000000000000000000000000000..a9de5905a2c7e59580c2b2068e0e87fb0c467be8 GIT binary patch literal 13215 zcmc(_1ymeew>DVajk~);aCdiicMBHWJ-E9hK+puY;1)=55AF~M2^Ks!1ZO&V^M3!m zYt5`#v*ynH)zww!>}T(1?>?)mj_mWa^t1+GD9S3x0w53wFo%ACrxid7K!AgThl53c zhlfW*L_k8pK}A7EMj^z)M#mu~A}1pyA|aumVWp#>Vx}e`q32^@X6NAM<|d~T5aH(( zX654M{7nKvL_|bEMj=2&CE%naq2&C3d_466mGFc2qx&MA0P%m02l&| z_J18PuwV!r2p$R&{{9(||B3-1Fa#FnX&FF)ioqBV3;+Nf&ykTr-u;i930@R`<3K`U z`ewB!ppb&h`X+O1P+3j+SNAf@%@d&PWSQ(S8!HO8f3{ihqx5x^09w=5)(y$$=#r@2 zPe@;I@vLIi3-QugjBhUd<5kt0=MDB867Ca)2Zx_c=IkmtWH!Mjt@@7~j1bQ@{QINT 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file changed, 3 insertions(+), 3 deletions(-) diff --git a/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md b/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md index b2a9a2f..d55053f 100644 --- a/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md +++ b/ntnu/21v/ttt4280/lectures/2021-01-11/2021-01-11.md @@ -1,6 +1,6 @@ --- -title: "TTT4280 - 2020-01-11" -description: "Intro og Måleusikkerhet" +title: "TTT4280 - Måleusikkerhet" +description: "2021-01-11" math: true --- @@ -49,7 +49,7 @@ $$ \text{SNR} = \frac{\text{(Effekten for) sann verdi}}{\text{(Effekten for) st ### Målefeil Stokastiske feil (Type A feil) påvirker målingens *presisjon*. -Presisjonen beskriver hvor reproduserbart en måling er. +Presisjonen beskriver hvor reproduserbar en måling er. Systematiske feil (Type B feil) påvirker målingens *sannhet*. Sannheten er en måling på hvor langt unna den sanne verdien en måling er. From c8d5ad886a220acb69e934df773766ecff8c294f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=98yvind?= Date: Mon, 11 Jan 2021 17:53:45 +0100 Subject: [PATCH 5/7] Change layout --- about.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/about.md b/about.md index af0ac5b..dcc2e1b 100644 --- a/about.md +++ b/about.md @@ -1,5 +1,5 @@ --- -layout: layouts/page +layout: layouts/list title: Om permalink: /om/ --- From 2ff08b895bc6e3b64987e02f74094bcc759eec2d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=98yvind?= Date: Tue, 12 Jan 2021 08:22:00 +0100 Subject: [PATCH 6/7] Start TFE4130 --- _data/ntnu-courses.yml | 4 ++++ ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md | 5 +++++ ntnu/21v/tfe4130/tfe4130.md | 9 +++++++++ ntnu/ntnu.html | 2 +- 4 files changed, 19 insertions(+), 1 deletion(-) create mode 100644 ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md create mode 100644 ntnu/21v/tfe4130/tfe4130.md diff --git a/_data/ntnu-courses.yml b/_data/ntnu-courses.yml index e2c57e7..d3c1959 100644 --- a/_data/ntnu-courses.yml +++ b/_data/ntnu-courses.yml @@ -7,6 +7,10 @@ course: ttt4280 desc: Sensorer og instrumentering, våren 2021. updated: 2021-01-11 + - + course: tfe4130 + desc: Bølgeforplantning, våren 2021. + updated: 2021-01-12 # Høsten 2020 - diff --git a/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md b/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md new file mode 100644 index 0000000..ca37417 --- /dev/null +++ b/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md @@ -0,0 +1,5 @@ +--- +title: "TFE4130 - Intro" +description: "2021-01-12" +math: true +--- \ No newline at end of file diff --git a/ntnu/21v/tfe4130/tfe4130.md b/ntnu/21v/tfe4130/tfe4130.md new file mode 100644 index 0000000..6e0a996 --- /dev/null +++ b/ntnu/21v/tfe4130/tfe4130.md @@ -0,0 +1,9 @@ +--- +layout: layouts/list +title: "TFE4130" +description: "Bølgeforplantning" +--- + +## Forelesninger + +[2021-01-12](./lectures/2021-01-12/) - Intro \ No newline at end of file diff --git a/ntnu/ntnu.html b/ntnu/ntnu.html index 25f20d2..e049766 100644 --- a/ntnu/ntnu.html +++ b/ntnu/ntnu.html @@ -6,7 +6,7 @@ description: "Alt som har med studier på NTNU å gjøre." {% for semester in site.data.ntnu-courses %}

{{ semester.name }}

-{% assign courses = semester.courses | sort: 'update' %} +{% assign courses = semester.courses | sort: 'updated' | reverse %}
{% for course in courses %}
From 7ed0c6fc8227bd75b43fca0cd1386e75eb134616 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=98yvind?= Date: Tue, 12 Jan 2021 11:18:29 +0100 Subject: [PATCH 7/7] =?UTF-8?q?F=C3=B8rste=20forelesning=20i=20TFE4130?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../tfe4130/lectures/2021-01-12/2021-01-12.md | 73 ++++++++++++++++++- 1 file changed, 71 insertions(+), 2 deletions(-) diff --git a/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md b/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md index ca37417..bcdcf49 100644 --- a/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md +++ b/ntnu/21v/tfe4130/lectures/2021-01-12/2021-01-12.md @@ -1,5 +1,74 @@ --- -title: "TFE4130 - Intro" +title: "TFE4130 - 1D Bølger" description: "2021-01-12" math: true ---- \ No newline at end of file +--- + +## Hva er bølger? + +Bevegelse av partikler i et medium. + +Dispersive gjør at signalet kan endre seg over tid og strekning. +Bølgehastigheten er avhengig av frekvensen. + +Ikke-dispersive betyr at bølgen beveger seg med samme hastighet hele tiden, og vil derfor være lik ved alle distanser. + +Bølger kan inteferere. + +Kurset handler mest om EM-bølger, men mekaniske bølger er enklere. +Det er da kun trykk som beskriver en bølge, mot en vektor med flere komponenter i EM-bølger. + +Velocity potential: + +$$WIP$$ + +Velocities at depth: + +$$WIP$$ + +Dispersjonsrelasjonen i havbølger + +$$ \omega^2 = gk \tanh kd $$ + +Der $g$ er tyngdeakserelasjonen, $k$ er bølgetallet og $d$ er dybden. + +### Forskjellige typer bølger + +Longitudinale: Langsgående bølger. + +Transversale: Bølger som beveger seg normalt på propageringsretningen. + +### Matematisk + +Bølgene er løsningen på bølgelikningen i forskjellige dimensjoner. + +$$ \ddot{u} = \frac{\partial^2 u}{\partial t^2} = c^2 \nabla^2 u $$ + +Denne løses som en partiell differensiallikning. + +En ikke-dispersiv hamonisk bølge er definert: + +$$ p(x, t) = \hat{p} \sin(\omega t - kx) $$ + +Der $\omega = 2\pi f$ er frekvensen, $k = \tfrac{\omega}{c}$ er bølgekonstanten, $c$ er propageringshastigheten og $\hat{p}$ er bølgeamplituden. + +## Lydbølger + +Lydbølger er endringer i lydtrykket rundt standardtrykket/det statiske trykket. + +$$ \underbrace{P_\text{total}(x,t)}_{\text{Lufttrykk, [Pa]}} = \underbrace{P_\text{atm}}_\text{Statisk trykk} + \underbrace{p(x,t)}_\text{endringer i trykket, lyd} $$ + + +Bølgelikningen for lydbølger: + +$$ \frac{\partial^2 p}{\partial x^2} - \frac{1}{c^2} \frac{\partial^2 p}{\partial t^2} $$ + +## Helmholtz' likning + +Spesialtilfelle av bølgelikningen når bølgen er en harmonisk svingning. + +$$ p(x,t) = p(x) e^{j\omega t} $$ + +Den tidsavhengige faktoren kan faktoriseres ut av likningen og vi står igjen med en ODE. + +$$ \frac{\partial^2 p(x)}{\partial x^2} + k^2 p(x) = 0 $$ \ No newline at end of file