From 4d869a802efcfaa549eb76562ce99df4064763fa Mon Sep 17 00:00:00 2001 From: hussein Date: Thu, 25 Aug 2022 15:04:46 +0200 Subject: [PATCH 1/4] schange --- .../.ipynb_checkpoints/Angular resolution-checkpoint.md | 6 +++--- resources/links/Angular resolution.md | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md index d33b742..bfceffb 100644 --- a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md +++ b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md @@ -11,11 +11,11 @@ **_SO THE GOAL BECOMES HOW TO MAKE IMAGES WITH SMALL ANGULAR RESOLUTIONS._** -It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength -$\lambda$ giving by $$ \theta = 1.22 \frac{\lambda} {D} $$ +It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength $\lambda$ giving by +$$ \theta = 1.22 \frac{\lambda} {D} $$ - Where $D$ is the diameter of the telescope. - to get better resolution (small $\theta$), we need: - - Large lenses ($D$) + - Large lenses $D$ - shorter wavelength $\lambda$ - Therefore, as $\lambda$ increases $\theta$ also increases making the image less detailed. - Be careful that larger image resolution does not mean better images diff --git a/resources/links/Angular resolution.md b/resources/links/Angular resolution.md index d33b742..bfceffb 100644 --- a/resources/links/Angular resolution.md +++ b/resources/links/Angular resolution.md @@ -11,11 +11,11 @@ **_SO THE GOAL BECOMES HOW TO MAKE IMAGES WITH SMALL ANGULAR RESOLUTIONS._** -It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength -$\lambda$ giving by $$ \theta = 1.22 \frac{\lambda} {D} $$ +It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength $\lambda$ giving by +$$ \theta = 1.22 \frac{\lambda} {D} $$ - Where $D$ is the diameter of the telescope. - to get better resolution (small $\theta$), we need: - - Large lenses ($D$) + - Large lenses $D$ - shorter wavelength $\lambda$ - Therefore, as $\lambda$ increases $\theta$ also increases making the image less detailed. - Be careful that larger image resolution does not mean better images From d071fae4c486ac1662e147db72e4af64f0dec7cb Mon Sep 17 00:00:00 2001 From: hussein Date: Thu, 25 Aug 2022 15:19:39 +0200 Subject: [PATCH 2/4] dd --- .../links/.ipynb_checkpoints/Angular resolution-checkpoint.md | 2 +- resources/links/Angular resolution.md | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md index bfceffb..c309fe5 100644 --- a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md +++ b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md @@ -5,7 +5,7 @@ - https://en.wikipedia.org/wiki/Angular_resolution --- - + #### What is the angular resolution? - Any image-forming device like a telescope can be used to recognise small details of an object. Hence, the smaller the angular resolution, the better the formed image as it can focus on smaller and smaller details. diff --git a/resources/links/Angular resolution.md b/resources/links/Angular resolution.md index bfceffb..c309fe5 100644 --- a/resources/links/Angular resolution.md +++ b/resources/links/Angular resolution.md @@ -5,7 +5,7 @@ - https://en.wikipedia.org/wiki/Angular_resolution --- - + #### What is the angular resolution? - Any image-forming device like a telescope can be used to recognise small details of an object. Hence, the smaller the angular resolution, the better the formed image as it can focus on smaller and smaller details. From b3e31632fc38994ab4b80295ab08ad1490d37c56 Mon Sep 17 00:00:00 2001 From: hussein Date: Thu, 25 Aug 2022 15:31:05 +0200 Subject: [PATCH 3/4] schange --- .../.ipynb_checkpoints/Angular resolution-checkpoint.md | 8 ++++---- resources/links/Angular resolution.md | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md index c309fe5..d33b742 100644 --- a/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md +++ b/resources/links/.ipynb_checkpoints/Angular resolution-checkpoint.md @@ -5,17 +5,17 @@ - https://en.wikipedia.org/wiki/Angular_resolution --- - + #### What is the angular resolution? - Any image-forming device like a telescope can be used to recognise small details of an object. Hence, the smaller the angular resolution, the better the formed image as it can focus on smaller and smaller details. **_SO THE GOAL BECOMES HOW TO MAKE IMAGES WITH SMALL ANGULAR RESOLUTIONS._** -It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength $\lambda$ giving by -$$ \theta = 1.22 \frac{\lambda} {D} $$ +It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength +$\lambda$ giving by $$ \theta = 1.22 \frac{\lambda} {D} $$ - Where $D$ is the diameter of the telescope. - to get better resolution (small $\theta$), we need: - - Large lenses $D$ + - Large lenses ($D$) - shorter wavelength $\lambda$ - Therefore, as $\lambda$ increases $\theta$ also increases making the image less detailed. - Be careful that larger image resolution does not mean better images diff --git a/resources/links/Angular resolution.md b/resources/links/Angular resolution.md index c309fe5..d33b742 100644 --- a/resources/links/Angular resolution.md +++ b/resources/links/Angular resolution.md @@ -5,17 +5,17 @@ - https://en.wikipedia.org/wiki/Angular_resolution --- - + #### What is the angular resolution? - Any image-forming device like a telescope can be used to recognise small details of an object. Hence, the smaller the angular resolution, the better the formed image as it can focus on smaller and smaller details. **_SO THE GOAL BECOMES HOW TO MAKE IMAGES WITH SMALL ANGULAR RESOLUTIONS._** -It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength $\lambda$ giving by -$$ \theta = 1.22 \frac{\lambda} {D} $$ +It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength +$\lambda$ giving by $$ \theta = 1.22 \frac{\lambda} {D} $$ - Where $D$ is the diameter of the telescope. - to get better resolution (small $\theta$), we need: - - Large lenses $D$ + - Large lenses ($D$) - shorter wavelength $\lambda$ - Therefore, as $\lambda$ increases $\theta$ also increases making the image less detailed. - Be careful that larger image resolution does not mean better images From 7fd930a52bf9a844c3253025d7b23f13a90ec4f4 Mon Sep 17 00:00:00 2001 From: hussein Date: Thu, 25 Aug 2022 15:33:39 +0200 Subject: [PATCH 4/4] dd --- resources/links/Angular resolution.md | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 resources/links/Angular resolution.md diff --git a/resources/links/Angular resolution.md b/resources/links/Angular resolution.md new file mode 100644 index 0000000..b26795c --- /dev/null +++ b/resources/links/Angular resolution.md @@ -0,0 +1,23 @@ +##### Keywords: [[Astronomy]], [[Wavelength]], [[Frequency]] + +##### Reference: +- https://www.cis.rit.edu/class/simg217/Slides/06-SIMG-217-20043-angles_and_resolution.pdf +- https://en.wikipedia.org/wiki/Angular_resolution + +--- + +#### What is the angular resolution? +- Any image-forming device like a telescope can be used to recognise small details of an object. Hence, the smaller the angular resolution, the better the formed image as it can focus on smaller and smaller details. + +**_SO THE GOAL BECOMES HOW TO MAKE IMAGES WITH SMALL ANGULAR RESOLUTIONS._** + +It seems that in astronomy, there is a relationship between the image resolution $\theta$ and the wavelength + +$\lambda$ giving by $$ \theta = 1.22 \frac{\lambda} {D} $$ + +- Where $D$ is the diameter of the telescope. +- to get better resolution (small $\theta$), we need: + - Large lenses ($D$) + - shorter wavelength $\lambda$ +- Therefore, as $\lambda$ increases $\theta$ also increases making the image less detailed. +- Be careful that larger image resolution does not mean better images