펄스 파형
진폭, 위상 및 주파수 변조 펄스 파형
Phased Array System Toolbox™는 여러 협대역 펄스 파형을 제공합니다. 이 툴박스의 파형은 모두 복소 기저대역 신호입니다. 레이다 및 소나 응용 분야에서는 펄스 파형을 사용하십시오.
객체
phased.CustomFMWaveform | Custom FM pulse waveform (R2023a 이후) |
phased.LinearFMWaveform | Linear FM pulse waveform |
phased.NonlinearFMWaveform | Nonlinear FM pulse waveform (R2023a 이후) |
phased.PhaseCodedWaveform | Phase-coded pulse waveform |
phased.RectangularWaveform | Rectangular pulse waveform |
phased.SteppedFMWaveform | Stepped FM pulse waveform |
함수
apaseq | Pseudorandom binary maximum length sequence (R2024a 이후) |
legendreseq | Legendre sequence with perfect periodic autocorrelation function (R2024a 이후) |
mlseq | Pseudorandom binary maximum length sequences (R2024a 이후) |
nlfmspec2freq | Instantaneous frequency of nonlinear frequency-modulated waveform (R2023a 이후) |
pncode | Generate polyphase P(n,k) code (R2024a 이후) |
shapespectrum | Generate waveform with desired frequency spectrum shape (R2024b 이후) |
sidelobelevel | Peak and integrated side-lobe levels (R2024b 이후) |
spectrogram | 단시간 푸리에 변환(STFT)을 사용하는 스펙트로그램 |
블록
| Custom FM Waveform | Custom FM pulse waveform (R2023a 이후) |
| Linear FM Waveform | Linear FM (LFM) pulse waveform |
| Nonlinear FM Waveform | Nonlinear FM pulse waveform (R2023a 이후) |
| Phase Coded Waveform | Phase-coded pulse waveform |
| Rectangular Waveform | Rectangular pulse waveform |
| Stepped FM Waveform | Stepped FM pulse waveform |
앱
| 펄스 파형 분석기 | Analyze performance characteristics of pulsed, frequency-modulated, and phase-coded waveforms |
| 레이다 파형 생성기 | Create, impair, visualize, and export modulated radar waveforms (R2026a 이후) |
도움말 항목
펄스 파형
- Rectangular Pulse Waveforms
Simplest waveform has constant amplitude over pulse duration. - Linear Frequency Modulated Pulse Waveforms
LFM pulse waveforms increase time-bandwidth product and improve target detection. - Stepped FM Pulse Waveforms
Stepped frequency pulse waveforms increase time-bandwidth product and improve target detection. - Phase-Coded Waveforms
Phase-coded waveforms have good range resolution. - Waveforms with Staggered PRFs
Staggered pulse-repetition frequency waveforms remove Doppler ambiguity.
표준
- Standards and Conventions
This section introduces the concept of baseband signals and defines the local and global coordinate systems used in the toolbox. - Units of Measure and Physical Constants
Phased Array System Toolbox uses the International System of Units (SI).