Which of the following best defines population density in the context of India’s demographic studies?
What is the purpose of developing ISRO’s MiniSAR (Miniaturized Synthetic Aperture Radar) at X – Band?
एक्स – बैंड पर इसरो के मिनीएसएआर (मिनिएचुराइज्ड सिंथेटिक रडार) को विकसित करने का मुख्य उद्देश्य क्या हैं?
Detailed Solution & Logic
To provide high - resolution X - Band radar imagery using compact airborne systems/ एयरबोर्न सिस्टम का उपयोग करके उच्च-रिज़ॉल्यूशन X-Band राडार इमेजरी प्रदान करना
Explanation / व्याख्या
MiniSAR (Miniaturized Synthetic Aperture Radar) is a compact radar system developed by ISRO for X-Band imaging, which is capable of producing high-resolution images.
It is primarily designed to map and characterize surface features such as craters, mineral deposits, and lunar surface features, especially for planetary exploration missions.
Being miniaturized, it can be deployed on small spacecraft or airborne platforms without adding much weight.
X-Band radars operate at a higher frequency (~8–12 GHz), which allows better spatial resolution compared to lower-frequency radars.
MiniSAR (Miniaturized Synthetic Aperture Radar) ISRO द्वारा विकसित एक कंपैक्ट राडार प्रणाली है, जो X-बैंड इमेजिंग के लिए सक्षम है और उच्च-रिज़ॉल्यूशन इमेज प्रदान कर सकती है।
इसका मुख्य उद्देश्य सतही विशेषताओं जैसे क्रेटर, खनिज जमा और चंद्रमा/ग्रह की सतह की विशेषताओं का मानचित्रण और विश्लेषण करना है।
इसकी संकुचित संरचना के कारण इसे छोटे उपग्रह या एयरबोर्न प्लेटफार्म पर तैनात किया जा सकता है बिना अधिक वजन बढ़ाए।
X-बैंड राडार उच्च आवृत्ति (~8–12 GHz) पर कार्य करता है, जो बेहतर स्थानिक रिज़ॉल्यूशन प्रदान करता है।
Extra Facts / अतिरिक्त तथ्य
First MiniSAR Mission: Deployed on Chandrayaan-1 to detect water ice at the Moon’s poles.
Miniaturization Advantage: Reduces payload weight and power requirements, making it suitable for small satellites and exploratory missions.
Applications: Lunar and planetary surface mapping, crater studies, ice detection, and topographic analysis.
Comparison: X-Band gives higher resolution than L-Band or S-Band radars, which are better for subsurface or vegetation studies.
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