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ThumbnailName Publication Date First Public Date Contributors
PD 6609:1996 - In situ aerosol testing of HEPA filtration. An explanatory supplement to BS 5295:Part 1:1989
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
12/15/19961/31/2024 NAAR
PD 7002:1995 Essential requirements for connection of terminal equipment to analogue interfaces of public switched telecommunications networks using either the earth calling, the loop calling, disconnect clearing, the loop calling, guarded clearing or the loop calling, unguarded clearing signalling method
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
5/15/199510/17/2023 MAR
PD 7002:1996 - Essential requirements for connection of terminal equipment to 2-wire analogue interfaces, without capacitive termination, of public switched telecommunication networks using either the earth calling, the loop calling-disconnect clearing, the loop calling-guarded clearing or the loop calling-unguarded clearing signalling method
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
9/15/19961/31/2024 NAAR
PD 7003:1995 Essential requirements for terminal equipment intended for connection to analogue interfaces of the PSTN using direct dialling in
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
5/15/199510/17/2023 MAR
PD 7003:1996 - Essential requirements for terminal equipment intended for connection to analogue interfaces of the PSTN using direct dialling in
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
9/15/19961/31/2024 NAAR
PD 7004:1995 Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
1/15/199510/17/2023 MAR
PD 7005:1996 - Essential requirements for terminal equipment intended for connection to the extended total access communications system (ETACS)
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
11/15/19961/31/2024 NAAR
PD 7006:1995 Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using channel associated signalling
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
2/15/199510/17/2023 MAR
PD 7020:1996 - Essential requirements for terminal equipment intended for connection to 2-wire analogue speechband leased lines of the public telecommunications network
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
6/15/19961/31/2024 NAAR
PD 7021:1996 - Essential requirements for terminal equipment intended for connection to 4-wire analogue speechband leased lines of the public telecommunications network
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
6/15/19961/31/2024 NAAR
PD 7024:1994 : Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 2048 kbit/s with a 75 Ω unbalanced presentation
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
10/17/202211/15/1994 MJMS
PD 7025:1994 : Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 8448 kbit/s with a 75 Ω unbalanced presentation
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
10/17/202211/15/1994 MJMS
PD 7026:1994 : Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 34368 kbit/s with a 75 Ω unbalanced presentation unbalanced presentation
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
10/17/202211/15/1994 MJMS
PD 7027:1995 Essential requirements for terminal equipment intended for connection to digital leased circuits of the public telecommunications network using a CCITT Recommendation X.21bis interface
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
1/15/199510/17/2023 MAR
PD 7028:1996 - Essential requirements for terminal equipment intended for connection to analogue baseband leased lines of the public telecommunications network
Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
6/15/19961/31/2024 NAAR
PD 7639-1:1994 : Short-circuit current calculation in three-phase a.c. systems - Part 1. Data for electrical equipment for short-circuit current calculations in accordance with BS 7639
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
10/17/20224/15/1994 MJMS
PD 7639-1:1994 : Short-circuit current calculation in three-phase a.c. systems - Part 1. Factors for the calculation of short-circuit currents in three-phase a.c. systems according to BS 7639
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
10/17/20224/15/1994 MJMS
PD nanoparticles in polymer thin film- hindrance evaluation
Membran pemangkin telah menarik perhatian penyelidik kebelakangan ini kerana ia menyediakan alternatif lebih baik berbanding pemangkin homogen dan heterogen. Paladium (Pd) ialah pemangkin popular yang biasa digunakan dalam tindak balas Suzuki-Miyaura. Membran matriks berasaskan Pd diperkenalkan dengan membran polimer, polisulfon (PSf) diperbadankan...
5/21/20185/1/2016Teo Leong Her
Peak-to-peak average power ratio reduction in orthogonal frequency division multiplexing system using the combination of comapnding and pre-coding techniques
Kekerapan Ortogon Division Multiplexing (OFDM) telah digunakan secara meluas dalam bidang aplikasi komunikasi tanpa wayar. Namun, kelemahan utama untuk sistem OFDM adalah nisbah kuasa puncak kepada purata (PAPR). PAPR adalah salah satu masalah yang paling penting dalam OFDM apabila fasa bebas daripada subpembawa sering akan menggabungkan membin...
4/18/20181/1/2017Ooi Xin Kai
Peak flow attenuation using dry pond
Penambahan air aliran yang berpunca dari Sistem Saluran Konvensional boleh menyebabkan peningkatan aliran ke hilir dan seterusnya meningkatkan risiko berlaku banjir kilat. Kajian ini memaparkan penggunaan dan keberkesanan Sistem Saliran Bioekologikal (BIOECODS) yang bertujuan untuk menggunakan kombinasi pemyusupan, storan penahan, saluran serta...
9/21/20204/1/2005Tengku Saiful Tengku Shariff
Peak to average power ratio (papr) reduction using companding in orthogonal frequency division multiplexing system (ofdm)/Solehah Md Hashim
Pemultipleksan Pembahagi Frekuensi Ortogonal (OFDM) adalah kaedah modulasi yang paling terkenal dalam sistem komunikasi tanpa wayar di mana ia salah satu teknik pembawa berbilang dimensi (MCM), ia menawarkan penyesuaian kadar data yang tinggi dan komunikasi yang mampu mengatasi saluran pemudaran. Satu kelemahan utama dalam OFDM ialah Nisbah Kuasa P...
1/20/20206/1/2013Solehah Md Hashim
Peak to average power ratio (papr) reduction using discrete cosine transform (dct) in orthogonal frequency division multiplexing system (ofdm)
Sistem pemultipleksan pembahagian frekuensi ortogon (OFDM) mengaplikasikan teknik penghantaran pembawa berbilang dan merupakan teknologi terkini dalam sistem komunikasi digital tanpa wayar kerana kemampuannya memproses data dengan kelajuan tinggi, kecekapan spectrum yang tinggi, perkhidmatan yang berkualiti dan keteguhan dalam saluran memilih freku...
11/4/20196/1/2013Hazirah Saidin
Peak to average power ratio (papr) reduction using selected mapping (slm) in orthogonal frequency division multiplexing system (ofdm)
Sistem pembahagian frequensi ortogon (OFDM) telah dilaksanakan secara meluas dalam sistem komunikasi berkelajuan tinggi tanpa wayar. Hal ini demikian kerana kelebihan OFDM yang mempunyai keteguhan terhadap perambatan berbilang, kecekapan spectrum yang tinggi dan mudah dilaksanakan. Namun, nisbah kuasa puncak ke purata (PAPR) yang tinggi merupakan...
3/20/20186/1/2012Siti Nur Elyani Abd Rahman
Peak to average power ratio reduction using analytic discrete cosine harmonic wavelet transform
Orthogonal Frequency Division Multiplexing (OFDM) merupakan sejenis bentuk isyarat modulasi yang kerap digunakan dalam pelbagai darjah tanpa wayar dan telekomunikasi. Ia adalah satu kaedah pengekodan data digital bagi pelbagai frekuensi pembawa. OFDM sering dipilih dalam pelbagai aplikasi untuk tujuan komunikasi disebabkan kelajuan penghantaran dat...
5/16/20186/1/2016Ng Chung Sheng
Pedal exercise machine for physical rehabilitation of stroke patients
Pemulihan strok telah menjadi perkara penting dalam dunia moden, dan banyak penyelidik dan ahli sains berusaha keras untuk mendapatkan kaedah pemulihan terbaik. Salah satu kaedah yang paling biasa untuk pemulihan stroke adalah melalui senaman aerobik seperti berjalan, berlari, berenang, atau berbasikal. Dalam kajian ini tumpuan pemulihan stroke...
8/23/20195/1/2019Ahmad Bulya Md Amin
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