Phased Array System Toolbox User's Guide R2023b

• Publisher: MathWorks
• Year: 2023
• Tongue: English
• Leaves: 1344
• Category: Library

✦ Table of Contents

Phased Arrays
Antenna and Microphone Elements
Isotropic Antenna Element
Support for Isotropic Antenna Elements
Backbaffled Isotropic Antenna
Response of Backbaffled Isotropic Antenna Element
Cosine Antenna Element
Support for Cosine Antenna Elements
Concentrating Cosine Antenna Response
Plot 3-D Response of Cosine Antenna Element
Custom Antenna Element
Support for Custom Antenna Elements
Antenna with Custom Radiation Pattern
Omnidirectional Microphone
Support for Omnidirectional Microphones
Backbaffled Omnidirectional Microphone
Custom Microphone Element
Support for Custom Microphone Elements
Custom Cardioid Microphone Pattern
Short-dipole Antenna Element
Short-Dipole Polarization Components
Crossed-dipole Antenna Element
LHCP and RHCP Polarization Components
Gaussian Antenna as Approximation for Spiral Antenna
Using Antenna Toolbox with Phased Array Systems
Sinc Antenna as Approximation for Array Response Pattern
Array Geometries and Analysis
Uniform Linear Array
Support for Uniform Linear Arrays
Positions of ULA Array Elements
ULA Array Elements
Array Element Responses
Signal Delay Between Array Elements
Steering Vector
Array Response
Reception of Plane Wave Across Array
Microphone ULA Array
Uniform Rectangular Array
Support for Uniform Rectangular Arrays
Uniform Rectangular Array of Isotropic Antenna Elements
Conformal Array
Support for Arrays with Custom Geometry
Create Default Conformal Array
Uniform Circular Array Created from Conformal Array
Custom Antenna Array
Subarrays Within Arrays
Definition of Subarrays
Benefits of Using Subarrays
Support for Subarrays Within Arrays
Rectangular Array Partitioned into Linear Subarrays
Linear Subarray Replicated to Form Rectangular Array
Linear Subarray Replicated in a Custom Grid
Plot Array Directivity Using Sensor Array Analyzer App
Signal Radiation and Collection
Signal Radiation
Support for Modeling Signal Radiation
Radiate Signal with Uniform Linear Array
Signal Collection
Support for Modeling Signal Collection
Narrowband Collector for Uniform Linear Array
Narrowband Collector for a Single Antenna Element
Wideband Signal Collection
Waveforms, Transmitter, and Receiver
Rectangular Pulse Waveforms
Definition of Rectangular Pulse Waveform
How to Create Rectangular Pulse Waveforms
Rectangular Waveform Plot
Pulses of Rectangular Waveform
Linear Frequency Modulated Pulse Waveforms
Benefits of Using Linear FM Pulse Waveform
Definition of Linear FM Pulse Waveform
How to Create Linear FM Pulse Waveforms
Create Linear FM Pulse Waveform
Linear FM Pulse Waveform Plot
Ambiguity Function of Linear FM Waveform
Compare Autocorrelation for Rectangular and Linear FM Waveforms
Stepped FM Pulse Waveforms
Create and Plot Stepped FM Pulse Waveform
FMCW Waveforms
Benefits of Using FMCW Waveform
How to Create FMCW Waveforms
Double Triangular Sweep
Phase-Coded Waveforms
When to Use Phase-Coded Waveforms
How to Create Phase-Coded Waveforms
Basic Radar Using Phase-Coded Waveform
Waveforms with Staggered PRFs
When to Use Staggered PRFs
Linear FM Waveform with Staggered PRF
Plot Spectrogram Using Pulse Waveform Analyzer App
Transmitter
Transmitter Object
Phase Noise
Receiver Preamp
Operation of Receiver Preamp
Configuring Receiver Preamp
Model Receiver Effects on Sinusoidal Input
Model Coherent-on-Receive Behavior
Coherent-on-Receive for Rectangular Pulse
Beamforming
Beamforming Overview
Conventional Beamforming
Optimal and Adaptive Beamforming
Conventional Beamforming
Uses for Beamformers
Support for Conventional Beamforming
Narrowband Phase Shift Beamformer for a ULA
Adaptive Beamforming
Benefits of Adaptive Beamforming
Support for Adaptive Beamforming
Nulling with LCMV Beamformer
Wideband Beamforming
Support for Wideband Beamforming
Time-Delay Beamforming of Microphone ULA Array
Visualization of Wideband Beamformer Performance
Time-Delay Beamforming of Microphone ULA Array
Visualization of Wideband Beamformer Performance
FPGA-Based Minimum-Variance Distortionless-Response (MVDR) Beamformer
Direction-of-Arrival Estimation
Beamscan Direction-of-Arrival Estimation
Super-Resolution DOA Estimation
MUSIC Super-Resolution DOA Estimation
Signal Model
Signal and Noise Subspaces
Root-MUSIC
Spatial Smoothing of Correlated Sources
Target Tracking Using Sum-Difference Monopulse Radar
Space-Time Adaptive Processing (STAP)
Angle-Doppler Response
Benefits of Visualizing Angle-Doppler Response
Angle-Doppler Response of Stationary Array to Stationary Target
Angle-Doppler Response to Stationary Target at Moving Array
Displaced Phase Center Antenna Pulse Canceller
When to Use the DPCA Pulse Canceller
DPCA Pulse Canceller to Reject Clutter
Adaptive Displaced Phase Center Antenna Pulse Canceller
When to Use the Adaptive DPCA Pulse Canceller
Adaptive DPCA Pulse Canceller To Reject Clutter and Interference
Sample Matrix Inversion Beamformer
When to Use the SMI Beamformer
Sample Matrix Inversion Beamformer
Detection
Neyman-Pearson Hypothesis Testing
Purpose of Hypothesis Testing
Support for Neyman-Pearson Hypothesis Testing
False Alarm Rate for Real-Valued Signal in White Gaussian Noise
False Alarm Rate for Two Pulses of Real-Valued Signal in White Gaussian Noise
False Alarm Rate for Complex-Valued Signals in Complex White Gaussian Noise
Receiver Operating Characteristics
Monte Carlo ROC Simulation
Matched Filtering
Reasons for Using Matched Filtering
Support for Matched Filtering
Matched Filtering of Linear FM Waveform
Matched Filtering to Improve SNR for Target Detection
Stretch Processing
Reasons for Using Stretch Processing
Support for Stretch Processing
Stretch Processing Procedure
FMCW Range Estimation
Range-Doppler Response
Benefits of Producing Range-Doppler Response
Support for Range-Doppler Processing
Range-Speed Response Pattern of Target
Constant False-Alarm Rate (CFAR) Detectors
False Alarm Rate for CFAR Detectors
Cell-Averaging CFAR Detector
CFAR Detector Adaptation to Noisy Input Data
Extensions of Cell-Averaging CFAR Detector
Detection Probability for CFAR Detector
Measure Intensity Levels Using the Intensity Scope
RTI and DTI Displays in Full Radar Simulation
Environment and Target Models
Free Space Path Loss
Support for Modeling Propagation in Free Space
Free Space Path Loss in dB
Propagate Linear FM Pulse Waveform to Target and Back
One-Way and Two-Way Propagation
Propagate Signal from Stationary Radar to Moving Target
Two-Ray Multipath Propagation
Free-Space Propagation of Wideband Signals
Radar Target
Radar Target Properties
Gain for Nonfluctuating RCS Target
Fluctuating RCS Targets
Model Pulse Reflection from Nonfluctuating Target
Swerling 1 Target Models
Swerling Target Models
Swerling 3 Target Models
Swerling 4 Target Models
Coordinate Systems and Motion Modeling
Rectangular Coordinates
Definitions of Coordinates
Notation for Vectors and Points
Orthogonal Basis and Euclidean Norm
Orientation of Coordinate Axes
Rotations and Rotation Matrices
Spherical Coordinates
Support for Spherical Coordinates
Azimuth and Elevation Angles
Phi and Theta Angles
U and V Coordinates
Conversion between Rectangular and Spherical Coordinates
Broadside Angles
Convert Between Broadside Angles and Azimuth and Elevation
Global and Local Coordinate Systems
Global Coordinate System
Local Coordinate Systems
Converting Between Global and Local Coordinate Systems
Convert Local Spherical Coordinates to Global Rectangular Coordinates
Convert Global Rectangular Coordinates to Local Spherical Coordinates
Global and Local Coordinate Systems Radar Example
Motion Modeling in Phased Array Systems
Support for Motion Modeling
Platform Motion with Constant Velocity
Platform Motion with Changing Velocity
Track Range and Angle Changes Between Platforms
Model Motion of Circling Airplane
Visualize Multiplatform Scenario
Doppler Shift and Pulse-Doppler Processing
Support for Pulse-Doppler Processing
Convert Speed to Doppler Shift
Convert Doppler Shift to Speed
Pulse-Doppler Processing of Slow-Time Data
Range and Speed Using Pulse-Doppler Processing
Using Polarization
Polarized Fields
Introduction to Polarization
Linear and Circular Polarization
Elliptic Polarization
Linear and Circular Polarization Bases
Sources of Polarized Fields
Scattering Cross-Section Matrix
Polarization Loss Due to Field and Receiver Mismatch
Model Radar Transmitting Polarized Radiation
Antenna and Array Definitions
Element and Array Radiation and Response Patterns
Element Response and Radiation Patterns
Array Response and Radiation Patterns
Grating Lobe Diagram for Microphone URA
Sonar System Models
Sonar Equation
Passive Sonar Equation
Active Sonar Equation
Doppler Effect for Sound
Code Generation
Code Generation
Code Generation Use and Benefits
Limitations Specific to Phased Array System Toolbox
General Limitations
Limitations for System Objects that Require Dynamic Memory Allocation
Generate MEX Function to Estimate Directions of Arrival
Generate MEX Function Containing Persistent System Objects
Simulink Examples
Convert Azimuth and Elevation to Broadside Angle
Phase-Shift Beamforming of Plane Wave Signal
DSP HDL Toolbox Examples
FPGA-Based Beamforming in Simulink: Code Generation
FPGA-Based Beamforming in Simulink: Algorithm Design
FPGA-Based Monopulse Technique: Algorithm Design
FPGA-Based Monopulse Technique: Code Generation
FPGA-Based Range-Doppler Processing - Algorithm Design and HDL Code Generation
FPGA-Based Cell-Averaging Constant False Alarm Rate (CA-CFAR) Detector
RF Propagation
Access TIREM Software
Featured Examples
Antenna Array Analysis with Custom Radiation Pattern
Array Pattern Synthesis Part I: Nulling, Windowing, and Thinning
Array Pattern Synthesis Part II: Optimization
Modeling and Analyzing Polarization
Modeling Mutual Coupling in Large Arrays Using Embedded Element Pattern
Modeling Mutual Coupling in Large Arrays Using Infinite Array Analysis
Modeling Perturbations and Element Failures in a Sensor Array
Patch Antenna Array for FMCW Radar
Phased Array Gallery
Using Pilot Calibration to Compensate for Array Uncertainties
Using Self Calibration to Accommodate Array Uncertainties
Subarrays in Phased Array Antennas
Tapering, Thinning and Arrays with Different Sensor Patterns
Simultaneous Range and Speed Estimation Using MFSK Waveform
Waveform Analysis Using the Ambiguity Function
Waveform Design to Improve Range Performance of an Existing System
Acoustic Beamforming Using a Microphone Array
Beamforming for MIMO-OFDM Systems
Conventional and Adaptive Beamformers
Direction of Arrival Estimation with Beamscan, MVDR, and MUSIC
High Resolution Direction of Arrival Estimation
Increasing Angular Resolution with Virtual Arrays
Introduction to Space-Time Adaptive Processing
Source Localization Using Generalized Cross Correlation
Acoustic Beamforming Using Microphone Arrays
Conventional and Adaptive Beamformers
Direction of Arrival with Beamscan and MVDR
Constant False Alarm Rate (CFAR) Detection
Detector Performance Analysis Using ROC Curves
Doppler Estimation
Range Estimation Using Stretch Processing
Signal Detection in White Gaussian Noise
Signal Detection Using Multiple Samples
Antenna Array Beam Scanning Visualization on a Map
SINR Map for a 5G Urban Macro-Cell Test Environment
Improve SNR and Capacity of Wireless Communication Using Antenna Arrays
Introduction to Hybrid Beamforming
MIMO-OFDM Precoding with Phased Arrays
Simulating Test Signals for a Radar Receiver
Electronic Scanning Using a Uniform Rectangular Array
Simulating Bistatic Polarimetric Radar
Stream and Accelerate System Simulation
Scene Visualization for Phased Array System Simulation
Simulating Test Signals for a Radar Receiver in Simulink
Modeling RF Front End in Radar System Simulation
Simulating a Bistatic Radar with Two Targets
Waveform Scheduling Based on Target Detection
Underwater Target Detection with an Active Sonar System
Locating an Acoustic Beacon with a Passive Sonar System
Waveform Parameter Extraction from Received Pulse
Massive MIMO Hybrid Beamforming
Multicore Simulation of Test Signals for a Radar Receiver
Multicore Simulation of Audio Beamforming System
802.11ad Single Carrier Link with RF Beamforming in Simulink
802.11ad Waveform Generation with Beamforming
Radar and Communications Waveform Classification Using Deep Learning
Hybrid MIMO Beamforming with QSHB and HBPS Algorithms
Array Synthesis for Lidar Systems
Estimate Range and Doppler Using Pulse Compression
Compare Ambiguity Functions for Different Wave Modulation Schemes
NR Downlink Transmit-End Beam Refinement Using CSI-RS
CDL Channel Model Customization with Ray Tracing
NR SSB Beam Sweeping
Introduction to Differential Beamforming
Examine the Response of a Focused Phased Array
Simulate and Visualize Range and Doppler Intensity Data in an End-to-end Radar System
Interference from Satellite Constellation on Communications Link
Array Pattern Synthesis Part III: Deep Learning
Spectrum Sensing with Deep Learning for Radar and Wireless Communications
Evaluating Interference from 5G New Radio (NR) Signals at an Airport Surveillance Radar
Neural Network for Beam Selection
Aircraft-to-Satellite Communication for ADS-B Out
Waveform Design for a Dual-Function MIMO RadCom System
Spectrum Sharing Using Spectrum Sensing and Waveform Notching
Audio Beamforming on a Multicore Processor
Direction of Arrival Estimation Using Sparse Arrays
Distributed Beamforming Using 1-Bit Feedback
Introduction to Reconfigurable Intelligent Surfaces (RIS)
Joint Radar-Communication Using PMCW and OFDM Waveforms
Iridium Satellite Spot Beam Coverage on the US
Hardware Array Data Collection and Simulation