Author: Jalbar

http://repository.uhamka.ac.id/id/eprint/17222/

The Comparison of Experimental and Analytical Study of the Gaussian Intensity Distribution for Light Emitting Diodes Beam

Ramza, Harry

Problem statement: Wireless communication using white Light Emitting Diodes (LEDs) is the latest research field for next-generation communication. This study studies the comparison of Gaussian intensity distribution of the white LED using experimental and analytical method. The white
LEDs are conducted to transmit an audio signal to the receiver. The receiver circuit consist of solar cell connected to the speaker to recover the audio signal. From the comparison of experimental and analytical data, the Gaussian plot of experimental data is steeper than the analytical data, meaning that the LED has small-divergence beam. Conclusion/Recommendations: The output voltage of experimental works decrease exponentially with the distance whiles the Full Width Half Maximum (FWHM) value increase exponentially with the distance. The gradual increment and decrement of the analytical signal can be applicable to visible light communication implementation as such light source can cover wide area for signal transmission.

http://repository.uhamka.ac.id/id/eprint/17222/1/11-The_Comparison_of_Experimental_and_Analytical%20Study%20of%20the%20Gaussian%20IntensityDistribution%20for%20Light%20Emitting%20Diodes%20Beam.pdf

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http://repository.uhamka.ac.id/id/eprint/17225/

Penguji Disertasi a.n Muhammad Naim

Gunawan, Rudy

http://repository.uhamka.ac.id/id/eprint/17225/1/UNDANGAN%20UJIAN_2013.pdf

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http://repository.uhamka.ac.id/id/eprint/17215/

Improving Performance and Size Reduction of Truncated Microstrip Antenna Using U Slot for LTE Application

Alam, Syah

This paper proposed new design of truncated microstrip antenna with U slot for LTE application at work frequency of 2300 MHz. The addition of slot with U shape aims to reduce return loss and VSWR from antenna, beside that giving U slot also can reduce the dimension of antenna to be more compact. The proposed antenna have been design. The proposed antenna, designed and realized using a FR4 Epoxy substrate with a dielectric constant (εr) of 4.3, a thickness (h) of 1.6 mm and a loss tan (tan α) of 0.0265 . From the measurement result obtained return loss of -22.95 dB and VSWR of 1.1.5 at working frequency of 2300 MHz with bandwidth of 250 MHz (2100 -2350 MHz). The addition of U slot has been successfully improved the value of return loss until 43 % and VSWR until 15 % compared with truncated microstrip antenna without U slot. Beside that, the dimension of microstrip antenna have been reduced until 17.87 % after using U slot.

http://repository.uhamka.ac.id/id/eprint/17215/1/5-Improving%20Performance%20and%20Size%20Reduction%20of%20Truncated%20Microstrip%20antenna.pdf

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http://repository.uhamka.ac.id/id/eprint/17209/

Cek Similarity Fora Apps: Examination for the Advancement of Human Rights (Family, Friendship, School, and Work Environment)

Bandarsyah, Desvian

http://repository.uhamka.ac.id/id/eprint/17209/1/Fora%20Apps_%20Examination%20for%20The%20Advancement%20of%20Human%20Rights%20%28Family%2C%20Friendship%2C%20School%2C%20and%20Work%20Environment%29.pdf

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http://repository.uhamka.ac.id/id/eprint/17213/

The effect of ice-breaking using stand-up comedy on students’
mathematical belief system

Wahidin, Wahidin

The purpose of this study was to determine the effect of ice breaking by doing stand�up comedy on the result of mathematical belief. This research was conducted at SMPN 37 Jakarta on 2nd grade in the 2nd-semester academic year 2016-2017. The research design used was the treatment by level 2×2 with learning method as a dependent variable which is the ability to understand the mathematics concept as a moderator variable and mathematical belief as an
independent variable. The sampling technique used cluster random sampling. The result showed that the learning through icebreaking by doing stand-up comedy is able to increase the
mathematics’ belief of students. In addition, the learning method has the effect of mathematics’ belief which depends on the ability to understand the mathematics concept of the student. Scholars who study by ice breaking with stand-up comedy teaching have the mathematics’ belief higher than scholars who study by the conventional method.

http://repository.uhamka.ac.id/id/eprint/17213/1/Standup.pdf

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http://repository.uhamka.ac.id/id/eprint/17214/

Advection-diffusion model for the simulation of air pollution distribution from a point source emission

Wahidin, Wahidin

Advection-diffusion model is one of the mathematical models, which can be used to understand the distribution of air pollutant in the atmosphere. It uses the 2D advection-diffusion model with time-dependent to simulate air pollution distribution in order to find out whether the
pollutants are more concentrated at ground level or near the source of emission under particular atmospheric conditions such as stable, unstable, and neutral conditions. Wind profile, eddy diffusivity, and temperature are considered in the model as parameters. The model is solved by using explicit finite difference method, which is then visualized by a computer program developed using Lazarus programming software. The results show that the atmospheric conditions alone influencing the level of concentration of pollutants is not conclusive as the parameters in the model have their own effect on each atmospheric condition.

http://repository.uhamka.ac.id/id/eprint/17214/1/Advection.pdf

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http://repository.uhamka.ac.id/id/eprint/17204/

Panduan Skripsi Program studi Pendidikan Bahasa Arab

Fitri liza, Fitri Liza

http://repository.uhamka.ac.id/id/eprint/17204/1/PANDUAN%20SKRIPSI%202021%20FIKS-oktober%20share.pdf

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http://repository.uhamka.ac.id/id/eprint/17207/

Pengantar Psikolinguistik

Rachmawati, Miatin

http://repository.uhamka.ac.id/id/eprint/17207/1/E-Book%20PENGANTAR%20PSIKOLINGUISTIK_compressedpdf_PDF..pdf

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http://repository.uhamka.ac.id/id/eprint/17203/

Modul Pembelajaran Linguistik Umum (Ilmu Allughah Al’Aam)

Fahmi, Ari Khairurrijal

http://repository.uhamka.ac.id/id/eprint/17203/1/MODUL%20PEMBELAJARAN%20LINGUISTIK%20UMUM.pdf

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http://repository.uhamka.ac.id/id/eprint/17208/

KESALAHAN GRAMATIKAL DALAM PENERJEMAHAN BAHASA INDONESIA KE DALAM BAHASA ARAB

Fahmi, Ari Khairurrijal

http://repository.uhamka.ac.id/id/eprint/17208/1/hasil%20layout%20Buku%20KESALAHAN%20GRAMATIKAL%20DALAM%20PENERJEMAHAN%20BAHASA%20INDONESIA%20KE%20DALAM%20BAHASA%20ARAB_compressed.pdf

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