Analisis fenomena echolocation dalam mendeteksi objek = Analysis of echolocation phenomenon in object detection

Andriesyah, Mochammad (2015) Analisis fenomena echolocation dalam mendeteksi objek = Analysis of echolocation phenomenon in object detection. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Echolocation is one of animal’s technic to do navigation. Some people also have this capability especially blind people. Echolocation has a similarity concept with SONAR (Sound Navigation and Ranging) on detecting an object. In this experiment, echolocation concept is applied to detect an objects. This experiment purposes to predict the size of an object in front of it. Unlike SONAR that can only detect the presence and distance of an object with ultrasonic waves, this experiment use audio frequency to detect the presence and distance of an object. According to the result, the presence and distance of an object can be predicted and analyzed through the variation of transmitted frequency with an average error of 14.52% when 1 kHz waves is transmitted, 3.18 % when 4 kHz waves is transmitted and 10.43 %. When 8 kHz is transmitted. On the other hand, this experiment found that the duration of transmitted signal (guide) is important to predict the separation of an objects. This experiment shows that 3 ms of transmitted signal is too long to measure 0.3 m separation of an objects. / Echolocation, merupakan sebuah teknik yang digunakan oleh beberapa jenis hewan untuk melakukan navigasi. Beberapa orangpun berhasil menerapkan kemampuan echolocation ini. Prinsip kerja echolocation memiliki persamaan dengan prinsip kerja SONAR (Sound Navigation and Ranging), yaitu memiliki kemampuan untuk mendeteksi objek yang ada di depannya. Dalam penelitian ini konsep echolocation diterapkan dalam pendeteksian benda. Penelitian ini bertujuan untuk memperkirakan ukuran objek yang ada di depannya. Berbeda dengan SONAR yang hanya bisa mendeteksi keberadaan dan jarak objek menggunakan frekuensi ultrasonik, penelitian ini menggunakan gelombang suara dengan frekuensi berbeda untuk mendeteksi keberadaan, jarak. Berdasarkan hasil penelitian ini, keberadaan, dan jarak dapat ditentukan dan dianalisis. Percobaan ini memiliki rata-rata persentase error sebesar 14,52% pada frekuensi 1 kHz, 3,18 % pada frekuensi 4 kHz dan 10,43 %.pada frekuensi 8 kHz. Selain itu, ditemukan bahwa durasi sinyal transmit (guide) penting untuk menentukan jarak antar objek. Dalam percobaan ini durasi sinyal guide adalah 3 ms. Durasi sinyal ini terlalu panjang untuk mengukur jarak antar objek sebesear 0,3 m.
Item Type: Thesis (Bachelor)
Creators:
Creators
NIM
Email
ORCID
Andriesyah, Mochammad
NIM03220100004
UNSPECIFIED
UNSPECIFIED
Contributors:
Contribution
Contributors
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Thesis advisor
Rhizma, Mario Gracio Anduinta
NIDN0323068601
UNSPECIFIED
Thesis advisor
Pangaribuan, Julinda Esra Flora
NIDN0319076901
UNSPECIFIED
Additional Information: SK 32-10 AND a
Uncontrolled Keywords: delay; frequencies; reflection
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering
Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering
Depositing User: Users 6 not found.
Date Deposited: 26 Jun 2018 03:13
Last Modified: 12 Aug 2021 02:20
URI: http://repository.uph.edu/id/eprint/392

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