ETRI-Knowledge Sharing Plaform

Satellite Payload Return Loss Distributed Antenna Systems(DAS) Multibeam Antenna Waveguide Feed Flexible Payload Satellite Broadcasting Phase Shifter Application Technology Power Allocation(PA) Phased Array Technique Circular Polarizers Beam Control Feed Horn Korean Peninsula Ocean And Meteorological Satellite(COMS) Circular Polarizations(CPs) Design Method Service Area Power Signal Passive Intermodulation Weather Conditions Array Elements Effective Isotropic Radiated Power Relative Phase Shift Radiation Element Operating Frequency Temperature Variations Amplitude Variation Flexible Satellite Beam Pattern Full Power Rectangular Waveguide Broadcasting Satellite E-Plane Immersive Media Excitation Coefficient Satellite Antenna Control Unit High Gain Tracking Method Adaptive Phase Control Voltage Communications System Novel Design Power Capability Low Axial Ratio Active Components Phase Tracking 3 V Connection Way Corrugated Horn Electrical Design Small Group Antenna Gain Single Feed Per Beam Zone Graph Minimum Gap Physical Optics Stand-Alone Back To Back(BTB) 5 Ghz High Frequency Band K-Band Left-Hand Circular Polarization(LHCP) Coaxial Cable Genetic Algorithms(NSGA II) Output Power Control Power Range Data Collection Feed System Active Phased Array Antenna Dual-Mode Element Spacing End Wall Matching Element Satellite Tracking System Stepped Impedance Transmission Mode Universal Service Dual Band Horn Tantalum Nitride(TaN) Bi-Directional Antenna Low Sidelobe Level Wide Frequency Range Electrical Tracking Efficiency And Performance Low Elevation Antenna Feed Beam Scanning Impedance Matching Ka-Band Antenna Low Earth Orbit Open Technology Performance Test Communications Technologies Geometrical Optics 3.5 Mm Peak Voltage Group Delay Junction Structure Compact Feed Network Earth Station Thin Film Resistor Threshold Voltage(Vth) Infrastructure Support Single Element Millimeter Wave(mmWave) Average Cost Power Transfer Position Information Wave Reflector Antenna Configuration Coaxial Waveguide On-Board Temperature Coefficient Array Feeder Heavy Rain Ka-Band Satellite Communication Alumina Substrate Efficient Design Receive Filter Sequential Rotation Antenna Design Array-Fed Reflector Galileo Satellite Light-Weight Multi-Beam Satellite Shaped-Beam Satellite Communication System Channel Condition Flexible Antenna Ka-Band Communication Satellite Phase Center Variation(PCV) 30 Ghz Solid Angle Critical Region Effective Power High Isolation Multi-Step Power Losses Signal Transmission Gain Ripple Phase Array Antenna Symmetric Design Simulation And Measurement Power Efficiency Improvement Gain Degradation Improved Gain High Speed Train 3d Spatial Cost Function Performance Degradation Electrical Performance Antenna Radiation Pattern Beam Forming Network Coverage Area High Power Handling Large Antenna Contoured Beam Phased Antenna Array Technology Infrastructure Transmit Filter Cross Polarization(CP) Low Level Impedance Transformer System Efficiency Higher Frequency Design Flow Low-Profile Antenna Transmission Loss T-Junction International Standards Tuning Screws Ground Station Stable Performance Antenna Performance C-Band Design Stage Feed Array Global Navigation Modes Of Operation 6 Ghz Sheet Resistance Polarization Converter Elevation Angle Cylindrical Cavity Coaxial Line Mobile Antenna Tracking Capability Waveguide Mode Conical Spiral Antenna Search And Rescue Satellite Communication Services Dual-Reflector Antenna High Throughput Performance Characteristics Traffic Requirements Right-Hand Circular Polarization Receiving Filter Radiating Element(RE) Degrees Of Freedom(DOF) Minimum Gain Pass-Band Satellite System Design Phase Substrate-Integrated Waveguide(SIW) Signal Attenuation Wide-Angle Scanning