Skip to main content

Kerala Administrative Service. KAS. Kerala Public Service Commission. PSC

เดธുเดช്เดฐเดงാเดจ เด…เดฑിเดฏിเดช്เดช്...!!!

เด•െ.เดŽ. เดŽเดธ് เดœൂเดจിเดฏเตผ เดŸൈം เดธ്เด•െเดฏിเตฝ เดคเดธ്เดคിเด•เดฏുเดŸെ เดคിเดฐเดž്เดžെเดŸുเดช്เดชിเดจാเดฏുเดณ്เดณ เดช്เดฐാเดฅเดฎിเด• เดŽเดดുเดค്เดค് เดชเดฐീเด•്เดท เดจാเดณെ (22.2.2020 เดถเดจിเดฏാเดด്เดš) เดจเดŸเด•്เด•ുเด•เดฏാเดฃ്‌. เดธംเดธ്เดฅാเดจเดค്เดคുเดŸเดจീเดณം 1535 เดชเดฐീเด•്เดทാ เด•േเดจ്เดฆ്เดฐเด™്เด™เดณാเดฃ് เด…เดจുเดตเดฆിเดš്เดšിเดŸ്เดŸുเดณ്เดณเดค്.

เดช്เดฐാเดฅเดฎിเด• เดŽเดดുเดค്เดคുเดชเดฐീเด•്เดท เดฐเดฃ്เดŸു เดชേเดช്เดชเดฑുเด•เดณാเดฏാเดฃ് เดจเดŸเด•്เด•ുเดจ്เดจเดค്. เด†เดฆ്เดฏ เดชേเดช്เดชเดฑിเดจ്เดฑെ เดชเดฐീเด•്เดท เดฐാเดตിเดฒെ 10 เดจും เดฐเดฃ്เดŸാเดฎเดค്เดคെ เดชേเดช്เดชเตผ เด‰เดš്เดšเด•เดดിเดž്เดžു 1.30 เดจും เด†เดฐംเดญിเด•്เด•ും. เด‰เดฆ്เดฏോเด—ാเตผเดฅിเด•เตพ เดฐാเดตിเดฒെ เดชเดฐീเด•്เดทเดฏ്เด•്เด•് 15 เดฎിเดจിเดฑ്เดฑ് เดฎുเตปเดช് 9.45 เดจ് เดคเดจ്เดจെ เดชเดฐീเด•്เดทാเด•േเดจ്เดฆ്เดฐเดค്เดคിเตฝ เดŽเดค്เดคാเตป เดถ്เดฐเดฆ്เดงിเด•്เด•เดฃം. เด…เดคുเดชോเดฒെ เด‰เดš്เดšเดฏ്เด•്เด•ുเดณ്เดณ เดชเดฐീเด•്เดทเดฏ്เด•്เด•് 1.15 เดจ് เดคเดจ്เดจെ เด•േเดจ്เดฆ്เดฐเดค്เดคിเตฝ เดŽเดค്เดคเดฃം. 10 เดฎเดฃിเดฏുเดŸെ เดฌെเดฒ്เดฒിเดจ് เดถേเดทเดตും เด‰เดš്เดšเดฏ്เด•്เด•് 1.30 เดจുเดณ്เดณ เดฌെเดฒ്เดฒിเดจ് เดถേเดทเดตും เดชเดฐീเด•്เดทാเด•േเดจ്เดฆ്เดฐเดค്เดคിเตฝ เดŽเดค്เดคുเดจ്เดจ เด†เดฐെเดฏും เดช്เดฐเดตേเดถിเดช്เดชിเด•്เด•ുเด•เดฏിเดฒ്เดฒ. เดชเดฐീเด•്เดทാเดนാเดณിเตฝ เด…เดก്เดฎിเดทเตป เดŸിเด•്เด•เดฑ്เดฑ്, เดคിเดฐിเดš്เดšเดฑിเดฏเตฝ เดฐേเด–, เดชേเดจ เดŽเดจ്เดจിเดต เดฎാเดค്เดฐเดฎേ เด•ൊเดฃ്เดŸ് เดชോเด•ാเตป เด•เดดിเดฏുเด•เดฏുเดณ്เดณൂ. เดฎൊเดฌൈเตฝ เดซോเตบ, เดตാเดš്เดš്, เดชേเดด്‌เดธ് เด‰เตพเดช്เดชെเดŸെเดฏുเดณ്เดณ เดตเดธ്เดคുเด•്เด•เตพ เด•േเดจ്เดฆ്เดฐเดค്เดคിเตฝ เดธเดœ്เดœเดฎാเด•്เด•ിเดฏിเดŸ്เดŸുเดณ്เดณ เด•്เดณോเด•്เด•് เดฑൂเดฎിเตฝ เดธൂเด•്เดทിเด•്เด•ാเดตുเดจ്เดจเดคാเดฃ്. เด•เดดിเดฏുเดจ്เดจเดคും เด•ൂเดŸുเดคเตฝ เดธാเดงเดจเด™്เด™เตพ เดชเดฐീเด•്เดทാเด•േเดจ്เดฆ്เดฐเดค്เดคിเดฒേเด•്เด•് เด•ൊเดฃ്เดŸുเดชോเด•ാเดคിเดฐിเด•്เด•ാเตป เดถ്เดฐเดฆ്เดงിเด•്เด•ുเด•.

 เดชเดฐീเด•്เดทാเตผเดค്เดฅിเด•เตพ เดฎേเตฝเดช്เดชเดฑเดž്เดž เด•ാเดฐ്เดฏเด™്เด™เตพ เด•ൃเดค്เดฏเดฎാเดฏി เดถ്เดฐเดฆ്เดงിเด•്เด•ുเด•.

เด•െ.เดŽ.เดŽเดธ് เดชเดฐീเด•്เดท เดŽเดดുเดคുเดจ്เดจ เดŽเดฒ്เดฒാเดตเตผเด•്เด•ും เดตിเดœเดฏാเดถംเดธเด•เตพ..!!Revenue platform

Comments

Popular posts from this blog

Platforms in Remote Sensing

In remote sensing, a platform is the physical structure or vehicle that carries a sensor (camera, scanner, radar, etc.) to observe and collect information about the Earth's surface. Platforms are classified mainly by their altitude and mobility : Ground-Based Platforms Definition : Sensors mounted on the Earth's surface or very close to it. Examples : Tripods, towers, ground vehicles, handheld instruments. Applications : Calibration and validation of satellite data Detailed local studies (e.g., soil properties, vegetation health, air quality) Strength : High spatial detail but limited coverage. Airborne Platforms Definition : Sensors carried by aircraft, balloons, or drones (UAVs). Altitude : A few hundred meters to ~20 km. Examples : Airplanes with multispectral scanners UAVs with high-resolution cameras or LiDAR High-altitude balloons (stratospheric platforms) Applications : Local-to-regional mapping ...

Types of Remote Sensing

Remote Sensing means collecting information about the Earth's surface without touching it , usually using satellites, aircraft, or drones . There are different types of remote sensing based on the energy source and the wavelength region used. ๐Ÿ›ฐ️ 1. Active Remote Sensing ๐Ÿ“˜ Concept: In active remote sensing , the sensor sends out its own energy (like a signal or pulse) to the Earth's surface. The sensor then records the reflected or backscattered energy that comes back from the surface. ⚙️ Key Terminology: Transmitter: sends energy (like a radar pulse or laser beam). Receiver: detects the energy that bounces back. Backscatter: energy that is reflected back to the sensor. ๐Ÿ“Š Examples of Active Sensors: RADAR (Radio Detection and Ranging): Uses microwave signals to detect surface roughness, soil moisture, or ocean waves. LiDAR (Light Detection and Ranging): Uses laser light (near-infrared) to measure elevation, vegetation...

Resolution of Sensors in Remote Sensing

Spatial Resolution ๐Ÿ—บ️ Definition : The smallest size of an object on the ground that a sensor can detect. Measured as : The size of a pixel on the ground (in meters). Example : Landsat → 30 m (each pixel = 30 × 30 m on Earth). WorldView-3 → 0.31 m (very detailed, you can see cars). Fact : Higher spatial resolution = finer details, but smaller coverage. Spectral Resolution ๐ŸŒˆ Definition : The ability of a sensor to capture information in different parts (bands) of the electromagnetic spectrum . Measured as : The number and width of spectral bands. Types : Panchromatic (1 broad band, e.g., black & white image). Multispectral (several broad bands, e.g., Landsat with 7–13 bands). Hyperspectral (hundreds of very narrow bands, e.g., AVIRIS). Fact : Higher spectral resolution = better identification of materials (e.g., minerals, vegetation types). Radiometric Resolution ๐Ÿ“Š Definition : The ability of a sensor to ...

Optical Sensors in Remote Sensing

1. What Are Optical Sensors? Optical sensors are remote sensing instruments that detect solar radiation reflected or emitted from the Earth's surface in specific portions of the electromagnetic spectrum (EMS) . They mainly work in: Visible region (0.4–0.7 ยตm) Near-Infrared – NIR (0.7–1.3 ยตm) Shortwave Infrared – SWIR (1.3–3.0 ยตm) Thermal Infrared – TIR (8–14 ยตm) — emitted energy, not reflected Optical sensors capture spectral signatures of surface features. Each object reflects/absorbs energy differently, creating a unique spectral response pattern . a) Electromagnetic Spectrum (EMS) The continuous range of wavelengths. Optical sensing uses solar reflective bands and sometimes thermal bands . b) Spectral Signature The unique pattern of reflectance or absorbance of an object across wavelengths. Example: Vegetation reflects strongly in NIR Water absorbs strongly in NIR and SWIR (appears dark) c) Radiance and Reflectance Radi...

geostationary and sun-synchronous

Orbital characteristics of Remote sensing satellite geostationary and sun-synchronous  Orbits in Remote Sensing Orbit = the path a satellite follows around the Earth. The orbit determines what part of Earth the satellite can see , how often it revisits , and what applications it is good for . Remote sensing satellites mainly use two standard orbits : Geostationary Orbit (GEO) Sun-Synchronous Orbit (SSO)  Geostationary Satellites (GEO) Characteristics Altitude : ~35,786 km above the equator. Period : 24 hours → same as Earth's rotation. Orbit type : Circular, directly above the equator . Appears "stationary" over one fixed point on Earth. Concepts & Terminologies Geosynchronous = orbit period matches Earth's rotation (24h). Geostationary = special type of geosynchronous orbit directly above equator → looks fixed. Continuous coverage : Can monitor the same area all the time. Applications Weather...