L-band
Impedance Matching For L-Band & S- Band Navigational Antennas
... Abstract - This paper presents an efficient design procedure for Impedance matching of L band & S Band patch antennas for Navigational applications .Computation used in designing is the ...
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Dielectric characterization of vegetation at L band using an open-ended coaxial probe
... Abstract. Decoupling the integrated microwave signal origi- nating from soil and vegetation remains a challenge for all microwave remote sensing applications. To improve satel- lite and airborne microwave data products ...
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An Improved Calibration Algorithm for the L-Band 1-D Synthetic Aperture Radiometer
... the L-band 1-D synthetic aperture radiometer have been proposed and selected as candidate payloads for future Chinese space missions, including MICAP (Microwave Imager Combined Active and Passive) for the ...
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An L-Band Bandpass Filter with Narrow Bandwidth and Miniature Based on LTCC Technology
... Abstract—In this paper, in order to meet the requirements for miniaturizing a microwave frequency conversion module, an L-band filter with narrow band and high out-of-band rejection is designed ...
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Design and Performance Analysis of High Pass Filter with Modified Ground Structure for L Band
... the L band telecommunication user for 1800-1900 MHz where shifting of cut off, reduced level of fluctuation of response of HPF then use of DGS for designing filter should be ...
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A L Band Rectangular Shape Inside a Pentagon Metamaterial Structure for Microwave Application
... of L-band (1GHZ-2GHZ) rectangular microstrip patch antenna integrated with “rectangular shape inside a pentagon” metamaterial structure attached at the height of ...
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Observations of quiet time moderate midlatitude L band scintillation in association with plasma bubbles
... localized midlatitude scintillation patches frequently occur during sunspot minimum, in association with the occur- rence of midlatitude spread F. The observations of L-band scintillation at midlatitudes ...
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Morphological and spectral characteristics of L band and VHF scintillations and their impact on trans ionospheric communications
... the L-band scintilla- tions mostly occur during the post-sunset to midnight hours peaking around 21:00 hr local time with maximum occurrence during equinoxes, moderate during winter and minimum during the ...
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Thin Arctic sea ice in L-band observations and an ocean reanalysis
... from L-band bright- ness temperatures (TBs) requires a complex radiative trans- fer model, and the calculated emissivities can be very sen- sitive to the retrieval assumptions and auxiliary fields ...the ...
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Design of L-Band High Speed Pulsed Power Amplifier Using Ldmos Fet
... We design a L-band high speed pulsed power amplifier using LDMOS FET. To design the pulsed power amplifier, we proposed the novel switching circuit with the fast fall time and the high switching voltage for a ...
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A Circularly Polarized Aperture Stacked Patch Microstrip Antenna for L Band
... Recent years have seen a tremendous growth in demand for wide-band telecommunications services in the L-band frequencies in areas such as mobile satellite, terrestrial cellular, and personal ...
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Design of Wideband Quad-Ridged Waveguide Orthomode Transducer at L-Band
... an L-band wideband quad-ridged waveguide orthomode transducer (OMT) for the Five hundred meter Aperture Spherical radio Telescope (FAST) is presented with a simple design ...GHz band, and the ...
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Northern Hemisphere surface freeze–thaw product from Aquarius L-band radiometers
... Level-3 L-band brightness tempera- ture (TB) product (Brucker et ...between L- and Ka-band FT products exist (Derk- sen et ...the L band are less sensitive than at the Ka ...
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Landslide observation and volume estimation in central Georgia based on L-band InSAR
... Abstract. The republic of Georgia is a mountainous and tec- tonically active area that is vulnerable to landslides. Because landslides are one of the most devastating natural hazards, their detection and monitoring is of ...
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Optimized Design of Helical Antenna with Parasitic Patch for L-Band Satellite Communications
... Abstract—A new small, low-profile and light-weight helical antenna element was designed for L-band satellite communications. The novelty of the antenna is that its input impedance matching has been improved ...
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Design and Simulation of Rectangular Micro strip Monopole Antenna for L Band Applications
... paper, L-band rectangular monopole antenna with feeding line and etched ground plane is presented which is actually a single band antenna in the ...
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Comparing C- and L-band SAR images for sea ice motion estimation
... C- band shows these features darker than L-band, as L-band will cause more scattering from beneath the level surface (Dierk- ing and Busche, ...and L-bands, others show more ...
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Midlatitude sporadic E episodes viewed by L band split spectrum InSAR
... We examined two Es episodes in Japan using L-band InSAR SSM. Both cases indicated the presence of dis- persive and nondispersive small-scale signals at the same locations, the latter of which might indicate ...
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Optimum Pumping Configuration for L-band EDFA incorporating Selective Wavelength Auxiliary ASE from C-band EDFA
... for L-band EDFA incorporating wavelength selective auxiliary ASE pumping from C-band ...C Band. As a possible approach to improve power conversion efficiency in L-band EDFA [13, ...
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Design of BandPass Filter for L-Band Weather Satellites
... at L-band ...paper Band pass filter was designed in order to filter the received ...coupled band pass filter was designed and simu lated using ANSOFT DESIGNER SV at centre frequency of ...
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