Results 101 to 110 of about 13,252 (205)

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

open access: yesJurnal 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   +2 more
doaj  

Block 2A traveling-wave maser [PDF]

open access: yes
Two 8.4GHz low-noise traveling-wave masers (TWMS) with effective input noise temperatures of 3.6 to 3.9 K and bandwidth in excess of 100 MHz have been supplied to the Deep Space Network. These TWMs are used on the 64-meter antennas at Deep Space Stations
Trowbridge, D. L.
core   +1 more source

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

open access: yes
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

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

open access: yesEmitor: 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   +3 more
doaj   +1 more source

A high-gain omnidirectional satellite antenna technique Final report [PDF]

open access: yes
High gain omnidirectional satellite system design, using planar and circular multiple beam arrays and solid state ...
Chadwick, G. G., Hill, J. E., Kerr, P.
core   +1 more source

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

open access: yesJurnal 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   +2 more
doaj  

The SA-2239/WLQ-4(V) Cutty Sark distribution system [PDF]

open access: yes
A redundant frequency and time distribution system provides a multiplicity of isolated outputs, all of which are derived from three atomic frequency standards.
Ho, J., Vulcan, A.
core   +1 more source

Bandwidth optimization of compact microstrip antenna for PCS/DCS/bluetooth application

open access: yesOpen Engineering, 2014
Singh Vinod   +3 more
doaj   +1 more source

Research study of some RAM antennas Final report, 18 Nov. 1964 - 18 Jun. 1965 [PDF]

open access: yes
Input impedance and radiation pattern determinations for cylindrical gap, waveguide excited and circular waveguide slot antenna ...
Butler, L.   +5 more
core   +1 more source

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