主题词：Physics and Engineering Research Articles; Microwave Engineering and Waveguides; Antenna Design and Analysis; Advanced Antenna and Metasurface Technologies; Law and Political Science; German Economic Analysis & Policies; European Monetary and Fiscal Policies; Corporate Governance and Management; Electromagnetic Compatibility and Noise Suppression; Engineering and Materials Science Studies; Power Line Communications and Noise; Semiconductor Lasers and Optical Devices; Radio Frequency Integrated Circuit Design; Advanced Wireless Communication Techniques; Psychology, Coaching, and Therapy; Photonic and Optical Devices; Analog and Mixed-Signal Circuit Design; Wireless Communication Networks Research; Energy Harvesting in Wireless Networks; Public Administration and Political Analysis; Antenna Design and Optimization; Advanced MIMO Systems Optimization; Flexible and Reconfigurable Manufacturing Systems; Criminal Law and Policy; Sensor Technology and Measurement Systems