June 2018
Beginner to intermediate
304 pages
7h 38m
Korean
Content preview from 우아한 사이파이: 수학, 과학, 엔지니어링을 위한 파이썬 데이터 분석 라이브러리 SciPy
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142
우아한 사이파이
4.7
실전 레이더 데이터 분석
선형 변조
FMCW
Frequency
-
Modulated
Continuous
-
Wave
레이더는 신호처리에 고속 푸리에 변환 알고리
즘을 광범위하게 사용하며 고속 푸리에 변환의 다양한 애플리케이션 예제를 제공한다.
FMCW
레이더의 실제 데이터를 사용하여 표적 탐지
target
detection
애플리케이션을 살펴본다.
FMCW
레이더는 대략 다음과 같이 동작한다.
1
주파수가 변하는 한 신호가 생성된다. 이 신호는 안테나에 의해 전송된 후, 레이더에서 멀어지면서 밖으로 이
동한다. 신호가 한 물체에 부딪칠 때 신호의 일부는 레이더로 반사되어 수신되고, 송신된 신호의 사본이 곱해
져서 샘플링되어 배열 형태의 압축된 숫자로 바뀐다. 이 숫자를 의미 있는 결과로 해석하는 것이 중요하다.
2
위의 곱셈 절차는 중요하다. 학교에서 배운 삼각법의 공식을 떠올려보자.
Real-World Application: Analyzing Radar Data
Linearly modulated FMCW (Frequency-Modulated Continuous-Wave) radars make
extensive use of the FFT algorithm for signal processing and provide examples of var‐ ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.