Intro
Contents
Synthetic Aperture Radar Image Ship Detection Based on YOLO-SARshipNet
1 Introduction
2 Model Structure and Improvement Methods
2.1 Backbone
2.2 Feature Pyramid Networks
2.3 Loss Function
2.4 Feature Distillation
3 Experimental Results and Discussion
3.1 Dataset and Experiment Setup
3.2 Experiment Results
3.3 Ablation Experiment
4 Conclusion
References
Target Recognition and Tracking Based on Point Cloud Fusion of Automotive Millimeter-Wave Radar and Camera
1 Introduction
2 Methodology

2.1 Point Cloud Clustering Algorithm Based on Automotive Millimeter Wave Radar
2.2 Monocular Depth Estimation Algorithm Based on Distance-Pixel
2.3 Target Recognition and Tracking Algorithm
3 Experiment and Analysis
3.1 Experiment on the Range-Pixel-Based Monocular Depth Estimation Algorithm
3.2 Experiment on the Target Recognition and Tracking Algorithm
4 Conclusion
References
Micro-doppler Feature Extraction of UAVs Based on Synchrosqueezed Transform and Ridge Path Regrouping
1 Introduction
2 UAV Blade Echo Signal Model
2.1 Geometric Model

2.2 Echo Signal Model
3 Micro-doppler Feature Extraction Method
3.1 Synchrosqueezed Transform
3.2 Extraction Algorithm
4 Experiment and Analysis on UAV Blade Micro-doppler
4.1 Parameter Setting for the Simulation Experiment
4.2 Experiment Result and Analysis
5 Conclusion
References
Radial Basis Function Neural Network Based Fast Directional Modulation Design
1 Introduction
2 Review of Directional Modulation Based on a Traditional Optimisation Method
2.1 Principle of Narrowband Beamforming

2.2 DM Design Based on a Traditional Optimisation Method for a Given Array Geometry
3 Directional Modulation Design Based on RBF Neural Network
3.1 The RBF Neural Network Model
3.2 Orthogonal Least Squares Training Algorithm for RBF Networks
4 Simulation Results
5 Conclusions
References
A Precoding Algorithm Based on Weighted MMSE for MmWave MU-MIMO System with Discrete Lens Array
1 Introduction
2 System Model and Problem Formulation
2.1 Beamspace MU-MIMO System Model
2.2 Problem Formulation
3 Proposed Precoding Algorithm Based on Weighted MMSE

3.1 The Relationship Between Received MMSE and SE
3.2 Problem Reformulation
3.3 Proposed Precoding Alogrithm
4 Simulation Results and Analysis
5 Conclusion
References
Directional Modulation Design Based on Hybrid Beamforming Structure for Massive MIMO
1 Introduction
2 DM Design Based on Interleaved Subarrays
3 Design Examples
4 Conclusions
References
Research on Ranging Range Based on Binocular Stereo Vision Plane-Space Algorithm
1 Introduction
2 Plane-Space Algorithm
3 Surface Constraints
Range Sweep Algorithm
4 Experimental Analysis