Dokumen tersebut membahas perbedaan antara Radar Aperture Riil (RAR) dan Radar Aperture Sintetis (SAR). RAR memiliki antena yang lebih panjang sehingga memiliki resolusi spasial yang lebih baik, sedangkan SAR menggunakan antena pendek dengan memanfaatkan gerakan pesawat sehingga berfungsi seperti antena panjang. SAR digunakan untuk mengatasi kelemahan resolusi RAR. Kedua jenis radar memiliki cara kerja yang berbeda dalam
SAR is a type of radar which works with antenna and receiver using radio waves which can create two dimension or three dimension of the objects . A synthetic-aperture radar is an imaging radar mounted on a moving platform. SAR gives high resolution data and works 24*7.
A GEO satellite’s distance from earth gives it a large coverage area, almost a fourth of the earth’s surface and also have 24 hour view of a particular area.This will be very helpful to army,navy etc.,These factors make it ideal for satellite broadcast and other multipoint applications.Continuous monitoring is done and also cost effective in long term, risk-less.
NAVIC (Navigation with Indian Constellation)Mohan Kanni
A small presentation on NAVIC (Navigation with Indian Constellation) on what it consists of and its uses to the country from an ordinary person to commercial business and Military usage For National Security Purposes. Having a Indigenous Navigation system is Vital to country like India due to various prospects.
Tugas 1 Mata Kuliah Kenautikaan
Nama : Irwan Prastiyo
NIM : 1310200002
Dosen Pengampu:
Luhur Moekti Prayogo, S.Si., M.Eng
Program Studi Ilmu Kelautan
Fakultas Perikanan dan Kelautan
Universitas PGRI Ronggolawe Tuban
2021
SAR is a type of radar which works with antenna and receiver using radio waves which can create two dimension or three dimension of the objects . A synthetic-aperture radar is an imaging radar mounted on a moving platform. SAR gives high resolution data and works 24*7.
A GEO satellite’s distance from earth gives it a large coverage area, almost a fourth of the earth’s surface and also have 24 hour view of a particular area.This will be very helpful to army,navy etc.,These factors make it ideal for satellite broadcast and other multipoint applications.Continuous monitoring is done and also cost effective in long term, risk-less.
NAVIC (Navigation with Indian Constellation)Mohan Kanni
A small presentation on NAVIC (Navigation with Indian Constellation) on what it consists of and its uses to the country from an ordinary person to commercial business and Military usage For National Security Purposes. Having a Indigenous Navigation system is Vital to country like India due to various prospects.
Tugas 1 Mata Kuliah Kenautikaan
Nama : Irwan Prastiyo
NIM : 1310200002
Dosen Pengampu:
Luhur Moekti Prayogo, S.Si., M.Eng
Program Studi Ilmu Kelautan
Fakultas Perikanan dan Kelautan
Universitas PGRI Ronggolawe Tuban
2021
Pada dasarnya echosounder berfungsi untuk mengukur kedalaman perairan, mengetahui bentuk dasar suatu perairan dan untuk mendeteksi gerombolan ikan dibagian bawah kapal secara vertical
Pada dasarnya echosounder berfungsi untuk mengukur kedalaman perairan, mengetahui bentuk dasar suatu perairan dan untuk mendeteksi gerombolan ikan dibagian bawah kapal secara vertical
AESA Airborne Radar Theory and Operations Technical Training Course SamplerJim Jenkins
The revolutionary active electronically scanned array (AESA) Radar provides huge gains in performance and all the front line fighters in the world from the Americans (F35, F22, F18, F15, F16) to the Europeans, Russians and Chinese already have one or soon will. This four day seminar, which took 10,000 man hours to produce, is a comprehensive treatment on the latest systems engineering technology required to design the modes for an AESA to capitalize on the systems inherent multi role, wide bandwidth, fast beam switching, and high power capabilities. Steve Jobs once said “You must provide the tools to let people become their best”, and this seminar will include two indispensable tools for the AESA engineer. 1) A newly written 400+ page electronic book with interactive calculations and simulations on the more complicated seminar subjects like STAP and Automatic Target Recognition. 2) A professionally designed spread sheet (with software) for designing, capturing and predicting the detection performance of the AESA modes including the challenging Alert-Confirm waveform.
salah satu macam dari gelombang elektromagnetim (GEM) atalha radar. radar banham sekali digunakan dalam kehidupan kita sekarang ini.
yuk, lihat apa aja si kegunaaan radar sebernya?
semoga bermanfaat!
2. Dibagi menjadi dua macam, yaitu ::
1. Sistem Real Aperture Radar (RAR)
2. Sistem Synthetic Aperture Radar (SAR)
“Perbedaannya: antenanya yg
membuahkan beda resolusi spasial”
6. Cara Kerja RAR (1)::
1. Pemancar membangkitkan pulsa radar dg
band ttt
2. Pulsa diarahkan ke objek ttt oleh antena
3. Pancaran pulsa membentuk berkas spt
kipas dg arah tegak lurus thd jalur terbang
7. Cara Kerja RAR (2) ::
4. Pulsa berbalik ke sensor dan diteruskan ke
penerima.
5. Penerima mengubah pulsa radar balik menjadi
sinyal video (elektrik)
6. Antena berfungsi ganda shg prlu diatur oleh TR
(Transmite-Receive) switch (duplexer). Proses
pergantian fungsi 1000-2000 x/detik.
8. 1. daerah diterangi oleh antena sangat sempit
2. sinyal yang dipancarkan pada waktu yang
diberikan oleh sensor menyentuh tanah hanya
dalam garis sempit ini dan tercermin darinya
3. karena gerak pesawat terbang daerah diterangi
digeser ke arah azimuth
Watch On Video
9. Cara Kerja SAR atau peruntukan nya (1)::
1. Dibuat utk mengatasi kelemahan RAR yg
brantena panjang
2. Cara mengatasi: dibuat antena pendek yg
berfungsi sbg antena panjang
3. Detektor tdk hanya gambar , ttp ditambah HDDT
(High density digital tape) kmd diproses &
direkam pd CCT
10. Cara Kerja SAR atau peruntukan nya (2)::
4. Pada detektor film, sinyal echo masuk ke CRT
kemudian diteruskan ke perekam film
5. Tiap garis pd hasil citra mencerminkan rona bagi
kekuatan sinyal balik
6. Film dimajukan dg kecepatan Vf yg sebanding
dg kecepatan pesawat terbang Va.
11. Cara Kerja RAR (3) ::
Watch On Video
Penggunaan SAR, untuk
monitoring
