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Total records found : 6
Simplified search suggestions : Anis Nazihah Mat Daud
12014
thesis
Development of computer-based acoustic characterisation of medical phantom
Anis Nazihah Mat Daud
The aim of this research is to develop a computerised measurement system for acoustic characterisation of medical phantom. The method used is the adaptation of insertion technique and the introduction of the stepped shape design of sample into the system. The developed system consists of an ultrasonic pulser/receiver, two transducers, a digital oscilloscope, a thermometer and a computer. Special computer interfacing is used in the system software development. The resulted software display contains the connection and control panel, the display panel and the calculation panel. The block diagram for software algorithm contains the connection block, the signal acquisition display block, the analysis block and the help block. The performance of the system is tested on agar and poly(methyl methacrylate) (PMMA) samples for different positions from transmitter (0.00 to 90.00 mm), different shape of samples (rectangular and stepped shape of sample), different thicknesses of samples[(2.88 ± 0.0.....

1852 hits

22016
article
Effectiveness of multi-frames video recorded experiments on pre-university students’ achievement for capacitor topic
Ramly Rosazley, Jaafar Rosly, Mat Daud Anis Nazihah, Ali Shaharudin, Wan Mokhtar Wan Zul Adli, Haron Roszairi, Mohamed Safian Nur Azmina,
The aim of this study is to determine the effectiveness of multi-frames video recorded experiments (MFVREs) on pre-university students’ achievement for capacitor topic. This study was carried out among 60 Diploma Science students of Universiti Pendidikan Sultan Idris, Malaysia. Students’ pre-test and post-test scores were analyzed using independent sample t-test. The effectiveness of MFVREs on students’ achievement were analyzed for four subtopics of capacitor: basic concept of capacitor (S1), series connection of capacitors (S2), parallel connection of capacitors (S3) and combination of series and parallel connection of capacitors (S4). Findings revealed that MFVREs give significant effects on students’ achievement for S2, S3 and S4 subtopics but no significant effect to students’ achievement for S1 subtopic compared to PowerPoint slides. Thus, MFVREs approach can be used either as a teaching aid in normal classroom or a student-centered learning video in order to improve th.....

2018 hits

32017
article
Three-in-one resonance tube for harmonic series sound wave experiments
Jaafar Rosly, Mat Daud Anis Nazihah, Ali Shaharudin, Ayop Shahrul Kadri,
1289 hits

42017
article
Elastic constant determination of hardwoods using ultrasonic insertion technique
Mat Daud Anis Nazihah, Jaafar Rosly, Ayop Shahrul Kadri, Yaacob Mohd Ikhwan Hadi, Rohani Md Supar,
1999 hits

52023
article
Acoustic Doppler effect experiment: integration of frequency sound generator, tracker and visual analyser
Anis Nazihah Mat Daud
This study was conducted to design an acoustic Doppler effect experimental setup by integrating the frequency sound generator application, tracker and visual analyser. The experimental setup was evaluated by determining the frequency of the sound source in four cases; (a) a stationary observer and a moving sound source, (b) a stationary sound source and a moving observer, (c) a sound source and an observer are moving in the same direction and (d) a sound source and an observer are moving in the opposite direction. The findings showed that the percentage errors for the calculated values of the sound source frequency were less than 0.40% compared to the reference values for all four cases. Hence, the proposed acoustic Doppler effect experimental setup can be used to improve the acoustic Doppler effect concept among students. 2023 IOP Publishing Ltd...

51 hits

62023
article
EM-FOR: simple and low-cost force on a straight current-carrying conductor in a magnetic field experimental kit
Anis Nazihah Mat Daud
In this study, we design and construct a low-cost experimental kit for the force on a straight current-carrying conductor in a magnetic field experiment, namely EM-FOR. The kit consists of several pairs of rectangular-shaped permanent magnets with different polarities facing each other on a U-shaped aluminium casing as the source of the magnetic field, a straight copper wire at the centre between the two magnets as the electrical conductor, conductor rings and connecting wires to connect conductor and electrical source, and an electronic balance to measure the magnitude and to determine the direction of the force on a straight current-carrying conductor in a magnetic field. The design of the EM-FOR experimental kit was validated by determining the magnitude and direction of the force on a straight current-carrying conductor in a magnetic field for normal and reverse connections to a power supply. The constructed kit can be utilized for three experiments: the effects of applied current,.....

72 hits

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