Student Conference on Research and Development
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Worst month rain statistics measurement in Malaysia
- Trang 12-14
Excess attenuation due to rainfall is one of the most important constraints to the performance of microwave radio links. In temperate climates at frequencies above 10 GHz, rainfall rates have significant effects on the performance of microwave radio links. Therefore, the behavior of radio communication links varies seasonally over a year. This paper presents on the results obtained from the analys......
#Rain #Statistics #Probability #Statistical distributions #Radio link #Attenuation measurement #Calendars #Statistical analysis #Time measurement #Frequency
Vibration faults simulation system (VFSS): a system for teaching and training on fault detection and diagnosis
- Trang 15-18
Machine condition monitoring is vital in many plants as any shutdown can lead to both materials and financial losses. Since vibration fault signals and their causes are important for fault detection and diagnosis, a vibration faults simulation system (VFSS) is developed to gain good understanding of vibration faults signals. This paper is aimed at simulating and analyzing vibration fault signals, ......
#Education #Fault detection #Fault diagnosis #Condition monitoring #Analytical models #Predictive models #Signal analysis #Predictive maintenance #Signal design #Rotating machines
Mã hóa video MPEG-2 phân tán trên nền tảng Microsoft Windows Dịch bởi AI
- Trang 502-504
Tiêu chuẩn video MPEG-2 được phát triển bởi Nhóm Chuyên gia Hình ảnh Động (MPEG) quy định dòng bit đã mã hóa cho video kỹ thuật số chất lượng cao. Việc mã hóa video MPEG-2 cần rất nhiều công suất xử lý và chủ yếu phụ thuộc vào bộ xử lý của PC và tốc độ xung nhịp của nó. Để làm cho quá trình mã hóa nhanh hơn và tốt hơn trên nền tảng Microsoft Windows, một kiến trúc hệ thống máy tính phân tán có thể......
#Encoding #Code standards #Standards development #MPEG standards #Streaming media #Clocks #Distributed computing #Computer architecture #Costs #Laboratories
Radio resource and mobility management in GPRS network
- Trang 132-135
The General Packet Radio Service (GPRS) is a complex data network which upgrades current second generation GSM networks, offering true high-speed Internet (IP) and X.25 network connectivity over existing GSM cellular networks. The key benefits of GPRS are better use of radio and network resources and completely transparent IP support. The increasing population of mobile users leads to congestion p......
#Mobile radio mobility management #Ground penetrating radar #Radio spectrum management #Resource management #GSM #Packet radio networks #IP networks #Web and internet services #Land mobile radio cellular systems #Delay
Mathematical analysis of network traffic
- Trang 249-252
The level of complexity in computer networks is rising and the mathematics needed to model the network traffic behaviour is not an exact science. This paper aims to bridge the gap between mathematics and engineering by illustrating some of the problems that exist with conventional traffic modeling, and show how to obtain informative network statistics via mathematical tools such as the Hurst (1951......
#Mathematical analysis #Telecommunication traffic #Traffic control #Mathematics #Mathematical model #Computer networks #Bridges #Statistics #Autocorrelation #Protocols
CASE technology
- Trang 54-57
This paper describes the state of the art in the field of computer aided software engineering (CASE) technology. The objective of this paper is to provide an overview of the current state and direction of CASE. The term CASE emerged in the late 1970s when computer companies began to borrow ideas from the hardware manufacturing process and apply them to software development. There are many CASE too......
#Computer aided software engineering #Programming #Computer aided manufacturing #Manufacturing processes #Documentation #Information systems #Workstations #Hardware #Productivity #Software maintenance
Giám sát từ xa các dấu hiệu sinh lý quan trọng Dịch bởi AI
- Trang 69-71
Mục tiêu của dự án này là xây dựng hình ảnh ảo và dữ liệu bệnh nhân để truyền dữ liệu và tín hiệu theo thời gian thực tới một địa điểm từ xa. Thông tin bệnh nhân cũng sẽ có sẵn cho những người có thẩm quyền truy cập thông tin. LabVIEW (Bộ công cụ Kỹ thuật Thí nghiệm Ảo) sẽ được sử dụng để hiển thị tín hiệu trên máy tính. Các thiết bị ảo sẽ được tạo ra nhằm thu thập tín hiệu điện tâm đồ (ECG). Hai ......
#Remote monitoring #Biomedical monitoring #Instruments #Computer displays #Power engineering and energy #Power engineering computing #Electrocardiography #Data acquisition #Computer languages #Internet
Network performance analysis on bandwidth utilizations and protocol distributions
- Trang 407-409
Many network administrators or providers are hesitant or not ready to offer the users the information of current bandwidth utilization on their Internet connection or other connection. There are many justifiable and unjustifiable reasons for this. We believe in opening up the communication between the users and ourselves and also believe in honestly and accurately portraying the services we are re......
#Performance analysis #Bandwidth #Protocols #Delay #Local area networks #Bit rate #Wide area networks #Telecommunication traffic #Radio frequency #Research and development
Development of simple PWM inverter using photovoltaic cells
- Trang 297-300
This paper presents the development of a simple 1.5 kW single-phase sinusoidal pulse width modulation (PWM) inverter. This inverter is designed to be either a stand-alone or grid connected inverter from a direct supply of photovoltaic (PV) cells. The developed inverter unit converts the DC input supply from the PV cells into a clean sinusoidal voltage output. This power inverter is also capable of......
#Pulse width modulation inverters #Photovoltaic cells #Pulse width modulation #Pulse inverters #Photovoltaic systems #Solar power generation #Energy consumption #Topology #Feeds #Bridge circuits
Nonlinear function approximation using radial basis function neural networks
- Trang 326-329
Radial basis function neural networks (RBFNN) which are best suited for nonlinear function approximation, have been successfully applied to a wide range of areas including system modeling. The two-stage training procedure adapted in numerous RBFNN applications usually provides satisfactory network performance. Though this method is proven to allow faster training and improves convergence, the init......
#Function approximation #Radial basis function networks #Least squares methods #Least squares approximation #Clustering methods #Clustering algorithms #Intelligent networks #Modeling #Convergence #Multi-layer neural network