Ditemukan 15 dokumen yang sesuai dengan query
Tukul Rameyo Adi, author
Metoda klasifikasi Jaringan Syaraf Tiruan (JST) telah banyak diterapkan dalam bidang penginderaan jauh. Dalam penelitian ini dilakukan percobaan klasifikasi awan dengan menerapkan metoda JST Kohonen pada data citra multispektral satelit NOAA AVHRR. JST Kohonen adalah metoda klasifikasi tak terselia yang berbasis pada sistem pembelajaran kompetitif Self-Organizing Maps (SOM). Prosedur percobaan...
Depok: Fakultas Teknik Universitas Indonesia, 1999
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UI - Tesis Membership Universitas Indonesia Library
Yeni Sufiani, author
ABSTRAK
Rangkaian pembagi daya optik telah dibuat untuk suatu sub sistem komunikasi optik. Untuk ini dipilih jenis gelas BK-7 yang dapat diperoleh dengan mudah di Indonesia. Pada proses pembuatannya digunakan metoda natural difusi dan Tl 2 SO4 sebagai sumber ion Ti yang akan didifusikan. Tahap pertama dari pembuatan rangkaian pembagi daya...
1999
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UI - Tesis Membership Universitas Indonesia Library
Achmad Harimawan, author
ABSTRAK
Telah dilakukan percobaan penerapan tapis pada cuplikan citra skala keabuan 8 bit [0-255] yang terkubur dalam bising elektronik akibat dari perekaman pada illumiasi rendah dengan metoda logaritmik, metoda homomorfik dan difinisi sendiri metoda konvolusi dikrit dengan beberapa penopeng [masking]. Disamping itu dilakukan juga pada cuplikan citra yang terkubur dalam bising...
1998
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UI - Tesis Membership Universitas Indonesia Library
Harsoyono, author
ABSTRACT
In particular we concentrate on mayor current implementations of optical fiber communications system which employ some form of intensity modulation (1M) of optical source, together with simple direct detection (DD) of the modulated optical signal at receiver- Good receiver where x is 0,3 (factor x ranges between 0 and 1.0...
1995
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UI - Tesis Membership Universitas Indonesia Library
Bernadus Hariadi Chrismastoro, author
Characterizations have been performed on single stage Transversely Excited Nitrogen Laser of Blumlein type. Optical cavity arrangement is varied prior to measurement which shows no significant increase in energy on both configurations of inserting a mirror only and a pair of mirror and a quartz parallel plate. Frequency repetitions respond...
Depok: Program Pascasarjana Universitas Indonesia, 1994
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Hafni Septiana Nur Endah, author
Segmentation is basically a process of pixel classification, the picture is segmented into subsets by assigning the individual pixel to classes. In this case when segmentation by thresholding it have to do classifying the pixels into " dark" and "light" classes, in an attempt to distinguish dark object from their...
Depok: Fakultas Teknik Universitas Indonesia, 1994
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Agus Santoso Tamsir, author
ABSTRACT
Recently, the Indonesian researchers have anticipated the research on photonic devices especially on semiconductor laser. According to the anticipation above, the scope of this research is on photonic devices particularly on design and performance fabrication of 1.55 um GaInAsPfInP semiconductor laser using intrinsic single-mode layers.
The semiconductor laser was designed using...
Depok: Fakultas Teknik Universitas Indonesia, 1996
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Tampubolon, Berlian, author
A fabrication and application of planar micro-lens is presented in this thesis. With the goal of alignment free of the optical component, a branching circuit have been considered.
Even now, the alignment of optical components is still a problem. The advantages of the branching circuit consists of planar micro-lens is easy...
Depok: Universitas Indonesia, 1996
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Agus Rubiyanto, author
ABSTRACT
A non-mechanical method of measuring temporally coherent light, which may be dominated by incoherent background radiation, has been developed. The measurement method is based on the modulated signal produced by the temporally coherent radiation through a LiTaO3 crystal.
In the study, the coherent and incoherent lights are combined. To detect...
1993
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UI - Tesis Membership Universitas Indonesia Library
Tatang Hidayat, author
ABSTRACT
The molecular weight of Polymer material can be determined using optical system by measuring the intensity of scattered light at low angle light scattering and its the incident beam, based on Rayleigh scattering have developed by Debye has known as Static Light Scattering.
To carry out this measurement, an...
1992
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UI - Tesis Membership Universitas Indonesia Library
