Results 101 to 110 of about 13,537 (225)

The influence of polarization on millimeter wave propagation through rain [PDF]

The measurement and analysis of the depolarization and attenuation that occur when millimeter wave radio signals propagate through rain are described.
Bostian, C. W., Marshall, R. E., Stutzman, W. L., Wiley, P. H.   +3 more
core   +1 more source

Performance interface document for the S-band diplexer for space users of NASA networks [PDF]

This report discusses the test results and interfacing information of the S-band diplexer development program supported by RTOP 310 funding. The program was implemented to reduce the S-band transponder noise figure by minimizing the receive channel ...
Line, L. G.
core   +1 more source

Optimasi Antena Miktrostip Rectangular Patch Polarisasi Sirkuler pada Frekuensi 2.4 GHz dengan Algoritma Genetika untuk Satelit Nano

Jurnal Teknik ITS, 2013
Pada penelitian ini dibuat simulasi desain antena mikrostrip dengan optimasi menggunakan algoritma genetika yang disesuaikan dengan ukuran satelit nano. Salah satu kriteria dari satelit tersebut adalah memiliki antena dengan frekuensi 2,4 GHz.
Evi Rahmawati, Eko Setijadi, Gamantyo Hendrantoro   +2 more
doaj  

A 50-60 GHz latching phase shifter Final report [PDF]

Digital latching ferrite phase ...

core   +1 more source

Shuttle antenna radome technology test program. Volume 2: Development of S-band antenna interface design [PDF]

The effects of the Thermal Protection Subsystem (TPS) contamination on the space shuttle orbiter S band quad antenna due to multiple mission buildup are discussed.
Baranowski, L. C., Kuhlman, E. A.
core   +1 more source

Combining Microstrip Meander Line and Dipole Antennas: Dual-Band Solution for PIR Equipment

Emitor: Jurnal Teknik Elektro
One of the aviation navigation tools is the Instrument Landing System (ILS), which functions to provide guidance signals to aircraft in the final approach position toward the runway.
Muhamad Adimukti Prasojo, Muh Wildan, Eriyandi, Priyo Wibowo   +3 more
doaj   +1 more source

Development of a HgCdTe photomixer and impedance matched GaAs FET amplifier [PDF]

A research program for the development of a 10.6 micron HgCdTe photodiode/GaAs field effect transistor amplifier package for use at cryogenic temperatures (77k).
Paulauskas, W. A., Shanley, J. F., Taylor, D. R.   +2 more
core   +1 more source

Desain Antena Array Mikrostrip Tapered Peripheral Slits Pada Frekuensi 2,4 Ghz Untuk Satelit Nano

Jurnal Teknik ITS, 2012
Saat ini ITS sedang berpartisipasi dalam sebuah komunitas bernama INSPIRE yang mengerjakan sebuah proyek pembuatan satelit nano.  Salah satu kriteria dari satelit tersebut adalah memiliki antena mikrostrip dengan frekuensi 2,4 GHz.
Widyanto Dwiputra Pradipta, Eko Setijadi, Gamantyo Hendrantoro   +2 more
doaj  

DSN 70-meter antenna microwave optics design and performance improvements. Part 1: Design optimization [PDF]

The design optimizations associated with the microwave and structural upgrade of the DSN 64-m antennas are discussed. Expected area efficiency/gain performances at S- and X-band are given for both the original 64-m systems and the upgraded 70-m systems ...
Bathker, D. A., Slobin, S. D.
core   +1 more source

Test results for 20-GHz GaAs FET spacecraft power amplifier [PDF]

Test were conducted to measure the performance of the 20-GHz solid state, proof-of-concept amplifier. The amplifier operates over the 17.7 to 20.2-GHz frequency range and uses high power gallium arsenide field effect transistors. The amplifier design and
Shalkhauser, K. A.
core   +1 more source