Discussion on the Digitalized Transformation Trend of Computer Network Communication System

2013 ◽  
Vol 416-417 ◽  
pp. 1590-1594
Author(s):  
Wei Hua Ma
Keyword(s):  
Data Processing ◽  
Communication System ◽  
Computer Network ◽  
Signal Transmission ◽  
Network Communication ◽  
The Internet ◽  
Transmission Modes ◽  
Processing Signal ◽  
Point To Point

Computer network is an advanced platform of communication transmission, in which the different transmission modes such as point-to-point and point-to-multipoint can be implemented by relying on the wide coverage scope of the Internet. In this paper, the functions (e.g. data processing, signal transmission, and comprehensive control) of network communication are firstly introduced, and then the digitalized transformation trend of computer network communication system is analyzed, and finally the comprehensive measures for the construction of new communication system are proposed. Hopefully, this paper can play a help in the further studies.

Physical Layer Technology for Extremely Low Speed Communication System in the Computer Network

2014 ◽  
Vol 644-650 ◽  
pp. 4005-4008
Author(s):  
Jing Chen ◽  
Yi Miao Hu ◽  
Le Nan Wu
Keyword(s):  
Phase Shift ◽  
Communication System ◽  
Computer Network ◽  
Physical Layer ◽  
Spectrum Efficiency ◽  
Phase Shift Keying ◽  
Low Speed ◽  
Shift Keying ◽  
Simulation Results ◽  
Ber Performance

The problem of extremely low speed communication (ELSC) system in the computer network based on multi-position phase shift keying (MPPSK) is considered in this paper. The realization of extremely low speed system is described, and preliminary simulation results of this system are conducted. The BER performance of the MPPSK-based ELSC system is compared with that of MSK modulation, which is commonly used in the ELSC system. Furthermore, the simulation results show that MPPSK-based ELSC system with higher spectrum efficiency has better BER performance than that of MSK modulation, which confirms the efficiency of the proposed system.

scholarly journals PENGUJIAN KINERJA JARINGAN SISTEM AKSES FILE BERBASIS CLIENT SERVER MENGGUNAKAN SAMBA SERVER

2016 ◽  
Vol 2 ◽  
pp. 129
Author(s):  
Anggraini Kusumaningrum
Keyword(s):  
Operating System ◽  
Operating Systems ◽  
Communication System ◽  
Transfer Rate ◽  
Computer Network ◽  
Data Communication ◽  
Network Access ◽  
File Size ◽  
Client Server ◽  
Access System

Data communication is the process of exchanging data between two or more devices through a transmission medium such as a cable. In order for the data communication can occur, the device must be connected to communicate with each other or be a part of a communication system consisting of hardware (hardware) and software (software). Samba server is a software bridge between the two operating systems that run within a computer network. Samba is able to share files with computers that use operating system linux, unix and windows with a peer to peer system. The time needed on the LAN network access system based on client file servers using Samba server with a minimum file size of 3MB and a maximum of 1GB for the download process is 04 minutes 54 seconds while the upload is 09 minutes 24 seconds. Speed transfer rate that is produced with a minimum file size of 3MB and a maximum of 1GB for the download process is 4.762Kbps and to upload is 1.896Kbps. On QoS testing conducted on 5 PCs, 10PC, 15pc and client 20PC result more and more PC client that accesses 1 file the success rate will be getting worse, it is because the bottleneck on the network.Kata Kunci : Network, client server, Samba Server

The Instructional SEM Laboratory at Iowa State University

1996 ◽  
Vol 54 ◽  
pp. 396-397
Author(s):  
L. S. Chumbley ◽  
M. Meyer ◽  
K. Fredrickson ◽  
F.C. Laabs
Keyword(s):  
Materials Science ◽  
Computer Network ◽  
Energy Dispersive Spectrometer ◽  
Computer Control ◽  
State University ◽  
Iowa State University ◽  
Internet Server ◽  
Schematic Layout ◽  
Hands On ◽  
Improve Instruction

The Materials Science Department at Iowa State University has developed a laboratory designed to improve instruction in the use of the scanning electron microscope (SEM). The laboratory makes use of a computer network and a series of remote workstations in a classroom setting to provide students with increased hands-on access to the SEM. The laboratory has also been equipped such that distance learning via the internet can be achieved.A view of the laboratory is shown in Figure 1. The laboratory consists of a JEOL 6100 SEM, a Macintosh Quadra computer that acts as a server for the network and controls the energy dispersive spectrometer (EDS), four Macintosh computers that act as remote workstations, and a fifth Macintosh that acts as an internet server. A schematic layout of the classroom is shown in Figure 2. The workstations are connected directly to the SEM to allow joystick and computer control of the microscope. An ethernet connection between the Quadra and the workstations allows students seated there to operate the EDS. Control of the microscope and joystick is passed between the workstations by a switch-box assembly that resides at the microscope console. When the switch-box assembly is activated a direct serial line is established between the specified workstation and the microscope via the SEM’s RS-232.

AAC Decision-Making and Mobile Technology: Points to Ponder

2014 ◽  
Vol 23 (2) ◽  
pp. 104-111 ◽  
Author(s):  
Mary Ann Abbott ◽  
Debby McBride
Keyword(s):  
Decision Making ◽  
Mobile Technology ◽  
Communication System ◽  
Augmentative And Alternative Communication ◽  
Evaluation Process ◽  
Decision Making Process ◽  
Alternative Communication ◽  
Ipod Touch ◽  
Feature Match

The purpose of this article is to outline a decision-making process and highlight which portions of the augmentative and alternative communication (AAC) evaluation process deserve special attention when deciding which features are required for a communication system in order to provide optimal benefit for the user. The clinician then will be able to use a feature-match approach as part of the decision-making process to determine whether mobile technology or a dedicated device is the best choice for communication. The term mobile technology will be used to describe off-the-shelf, commercially available, tablet-style devices like an iPhone®, iPod Touch®, iPad®, and Android® or Windows® tablet.

A Community Based High Risk Register for Hearing Loss

1982 ◽  
Vol 47 (4) ◽  
pp. 373-375 ◽  
Author(s):  
James L. Fitch ◽  
Thomas F. Williams ◽  
Josephine E. Etienne
Keyword(s):  
Hearing Loss ◽  
System Identification ◽  
High Risk ◽  
Language Learning ◽  
Education Program ◽  
Communication System ◽  
Auditory Signal ◽  
Early Age ◽  
Community Based ◽  
Children With Hearing Loss

The critical need to identify children with hearing loss and provide treatment at the earliest possible age has become increasingly apparent in recent years (Northern & Downs, 1978). Reduction of the auditory signal during the critical language-learning period can severely limit the child's potential for developing a complete, effective communication system. Identification and treatment of children having handicapping conditions at an early age has gained impetus through the Handicapped Children's Early Education Program (HCEEP) projects funded by the Bureau of Education for the Handicapped (BEH).

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