Ka-band system design
Two New Ka-Band Traveling Wave Power Divider/Combiner Designs
... divider design, a back-to-back connected power divider and combiner system was designed and the combiner utilized the same design as the divider according to reciprocity theory ...divider ...
66
Typical Ka band Satellite Beacon Receiver Design for Propagation Experimentation
... Frequency characteristic of the designed filter is given in Fig. 7. As S21 curve shows, the insertion loss is negligible in the pass band. Integrated crystal filters have been used for IF2. These filters are ...
6
Design of a High Power, High Efficiency Ka-Band Helix Traveling-Wave Tube
... Figure 9 shows the phase momentum plot of the bunched electron beam along the axial distance at 8.0 ns when the electron dynamic system is already in a steady state. It can be seen that the electronic energy in ...
13
Optimal Design of a Ku/Ka-Band Wide-Flare-Angle Corrugated Horn Using the Differential Evolution Algorithm
... Abstract—A novel wide-flare-angle corrugated horn covering the full Ku/Ka satellite communication frequency bands is designed and optimized. In order to satisfy the rigorous bandwidth requirements, a spline-profiled ...
7
A Novel Ka-Band Solid-State Power Combining Amplifier
... Abstract—This paper presents a high-efficiency Ka-band solid-state power combining amplifier on the basis of a novel waveguide magic tee. By employing 16 low-power amplifier modules and compact waveguide ...
13
Analysis Effect of Water on a Ka-Band Antenna
... in system design and in modeling and frequency scaling ...the Ka-Band receiving antenna at Universiti Sains Malaysia (USM), under conditions similar to those prevalent during rain ...
9
Inductively-Tuned K/Ka Band RF MEMS Capacitive Switches
... Many MEMS switches with excellent performance have been proposed, with solutions taking advantage of material properties [5, 6], series-shunt switches combination [7], MEMS bridge topology optimization [8], and geometric ...
11
Ka Band Multiplexer With Multiple Input and Output Ports
... globally, Ka-band technology and applications have attracted more attention, especially for HTS satellites that use multiple beams, which typically require a more flexible payload ...the ...
10
A Ka Band Radar Frequency Synthesizer Design Based on DDS Technology
... radar system, in order to meet the need of all-phase reference, the radar signal generator must have the higher performance in wider ...to design the higher performance frequency ...a design of ...
6
Design of Carbon Nanotube-Based Broadband Radar Absorber for Ka-Band Frequency Range
... The equations below are given in the SI units, and we assume an exp[ i ( kz − ωt )] dependence of the incident electric field. Let us consider the normal scattering of an incident plane wave on a plane- parallel layer of ...
8
Analysis and Design of A Waveguide Notch Filter for Ka Band Applications
... VHF/UHF band for short distance communication and HF for long distance ...a system or circuit that could do the same was necessary and essential to make communication effectively ...
8
Design of a Broadband Fixed IF Sub-Harmonic Mixer at Ka Band
... Advanced Design System, the s-parameters of the passive circuit are imported into Harmonic Balance Simulator where we model the nonlinear behavior of the diode ...
7
A 65nm CMOS Ka band AGC Design
... In a wireless communication system, the signal is affected by the distance between the transmitter and receiver, as well as weather changes, or the geographical environment. So that when the data arrives at the ...
7
Power Amplifier Linearization Using Six-port Receiver for DVB-S2 Satellite Communications
... A digital look-up table adaptive predistortion technique using a six-port receiver for power amplifier linearization is presented. The system is designed in Ka-band for a DVB-S2 satellite link. We ...
8
Ka-Band Klopfenstein Tapered Impedance Transformer for Radar Applications
... transformer waveguide for matching the impedances of a Ka-band pillbox window and helix-TWT were investigated, and the results have been presented. The tapered waveguide was designed and optimized using 21 ...
11
Effects of Reentry Plasma Fluctuation on Polarization Properties of Electromagnetic Waves
... From these figures, one can find that the effects of reentry plasma fluctuations on axial ratios of the penetrated waves change with altitudes. The effects are complicated and changeable. But from the general change trend, ...
11
A Broadband T/R Front End of Millimeter Wave Holographic Imaging
... The front-end T/R module’s performance plays the key role in the millimeter wave active holographic imag- ing system. This paper proposes a ka-band broadband T/R frond-end of active holographic ...
5
Investigation of ka band satellite communication propagation in equatorial regions
... a Ka-band propagation measurement campaign over Peninsular Malaysia that exploits the Syracuse-3A satellite (beacon frequency ...propagation Ka-band signal measurements in a heavy rain region ...
5
Attenuation Correction for Ka-band Cloud Radar Using X-band Weather Radar Data
... It is assumed that variation trends in reflectivity along the same path but detected by the radars of different wavelengths would be similar without the impact of attenuation. However, as discussed, the resolution volume ...
16
Complex permittivity measurements at Ka-Band using rectangular dielectric waveguide
... Fig. 2 illustrates the measurement setup using the RDWG combined transmission–reflection method. The RDWG and its one-quarter wavelength spacer (line standard for TRL calibra- tion) have cross-sectional dimensions equal ...
10