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11 Jun 2009

Speech processing using wavelete transformation and its implementation in digital hearing aids

Thesis - 4 pages - Electronics

Hearing impairment is the number one chronic disability affecting people in the world. Many people have great difficulty in understanding speech with background noise. This is especially true for a large number of elderly people and the sensorineural impaired persons. Several investigations on...

11 Jun 2009

Implementation of vector quantization technique in image compression and speech recognition

Thesis - 6 pages - Electronics

In this paper, we have described the application of Vector Quantization in Image and Speech processing. Compressing image data by using Vector Quantization (VQ)[1]-[3] will compare Training Vectors with Codebook. The result is an index of position with minimum distortion. Basically there are...

09 Jun 2009

Wireless communication: Global positioning system

Thesis - 7 pages - Electronics

GPS technology is one of the significant inventions of the twentieth century. GPS has become a popular device in western countries but has not yet reached the household of the common man in India. With globalization, GPS and its related technology have been unable to penetrate the heart of Indian...

09 Jun 2009

Performance analysis of OFDM communication systems

Thesis - 5 pages - Electronics

Today life does not seem possible without wireless in some form or the other. The demands on bandwidth and spectral availability are endless. Consequently, wireless designers face an uphill task of limited availability of radio frequency spectrum and complex time varying problems in the wireless...

09 Jun 2009

Auto negotiation in IEEE 802.3 based layer 2 devices: A review

Thesis - 4 pages - Electronics

Auto Negotiation is an optional yet one of the standard Plug and Play features available in almost all modern day IEEE 802.3u (Fast Ethernet) and as a mandatory feature in IEEE 802.3ab Gigabit Ethernet compliant devices. Today's Fast Ethernet devices support multiple operational modes. The Auto...

09 Jun 2009

Mobile robotic arm and its future scope

Thesis - 4 pages - Electronics

A Robot can be defined as a programmable, self-controlled device consisting of electronic, electrical, or mechanical units. More generally, it is a machine that functions in place of a living agent. Robots are especially desirable for certain work functions because, unlike humans, they never get...

09 Jun 2009

Interactive information display embedded system designed using I2C protocol

Thesis - 4 pages - Electronics

With the growing importance of the embedded systems, the need to design embedded applications with microcontrollers having advance features is gaining prominence. In the presented work I2C protocol is used to make an interactive information display that can be used at various places for providing...

09 Jun 2009

Security challenges in wireless sensor networks

Thesis - 5 pages - Electronics

Wireless sensor networks (WSNs) are wireless ad hoc networks of tiny sensor nodes. As a result of advances in sensor technology and wireless communication, sensor networks have emerged as an indispensable and important new tool for multiple civilian and military applications, including patient...

09 Jun 2009

Developing a high speed memory interface

Thesis - 4 pages - Electronics

A common problem for today's system designers is to reliably interface with their next generation high-speed memory devices. As system bandwidths continue to increase, memory technologies have been optimized for higher speeds and performance. As a result, these next generation memory interfaces...

08 Jun 2009

Optical wireless communication

Thesis - 7 pages - Electronics

Today's information economy depends on the transmission of data, voice and multimedia across telecommunication networks. Optical networks remain the most ideal medium for high-bandwidth communications for true connectivity. There are two distinct types of optical communications: Fiber optics...

08 Jun 2009

Inverted suspended space fed microstrip antenna for wireless applications

Thesis - 6 pages - Electronics

The basic microstrip antenna (MSA) is a resonant patch of metal, etched on the surface of grounded dielectric slab. The dielectric material is replaced with air to improve the bandwidth and to minimize losses. The proposed space fed microstrip antenna (MSA) consists of fed patch and parasitic...

08 Jun 2009

WiBro technology

Thesis - 6 pages - Electronics

This technology is the latest advancement in Wireless Communication which presents drastic change in Wireless Internet and helps connect each and every person globally. It is the most advanced and upcoming technology now a days. WiBro is the Portable Internet Service to provide a high...

08 Jun 2009

Brain finger-printing

Thesis - 5 pages - Electronics

Brain Fingerprinting Laboratories, Inc. has developed and patented EEG/P300 based testing systems that determines, with extremely high accuracy, whether or not specific information is stored in a person's memory. The test measures individual brain-wave responses to relevant words, pictures or...

08 Jun 2009

DSP based excitation controller for synchronous motor

Thesis - 5 pages - Electronics

Induction motors are widely used in industrial production processes. Use of an induction motor will result in increased lagging power factor. This power factor must be corrected by adding capacitors. If not, the result is the penalty of larger kVA burdens to the interconnected system. The...

08 Jun 2009

Commutative analysis of a stepper motor drive

Thesis - 7 pages - Electronics

In this paper, the designs of the various drives of the stepper motor are presented. The main objective of this paper is to analyze the various drives of the stepper motor. Basically the Design consist four sections. First part is power supply. We required two supply 5v and 12v. Second part is...

28 May 2009

A comparative study of GSM & CDMA technology

Thesis - 16 pages - Electronics

The mobile industry in India is divided between the two technologies GSM and CDMA. While the earlier service providers had adopted the GSM technology, the new players have been using CDMA technology and have notched up a significant share of the Indian market. Hence any discussion on Mobile...

28 May 2009

GIS training: Distribution system management

Thesis - 30 pages - Electronics

Reliable and sufficiently detailed data is required to facilitate decision making in all activities and Distribution System Management. Controlling costs improve efficiency and reducing down time has become essential for a utility in order to be successful in the highly competitive environment of...

27 May 2009

An absolute security system with a password for sending secret data files

Dissertation - 52 pages - Electronics

This is a work done on “cryptography”. Conventionally, data is protected from unauthorized interception or eavesdropping by analog techniques. In a digital data security system, when you press a button in the DTMF generator set keypad for data send a connection is made that...

27 May 2009

A look at local area networks and some of its variants: With a special reference to Bharat Electronics Limited

Dissertation - 38 pages - Electronics

India, as a country, has been very lucky with regard to the introduction of telecom products. The first telegraph link was commissioned between Calcutta and Diamond Harbor in the year 1852, which was invented in 1876. First wireless communication equipment were introduced in Indian Army in the...

27 May 2009

The architecture and functioning of OCB-283: The switching node in the Alcatel 1000E

Thesis - 20 pages - Electronics

This document relates to the O.C.B 283 system, switching node in the ALCATEL 1000E 10 switching system. It outlines the general architecture and operation of the O.C.B.283, both the fixed subscriber centers and the access exchange to services (G.S.M, IN). O.C.B.283 is digital switching system...

12 May 2009

Universal asynchronous receiver and transmitter (UART) (17 slides)

Presentation - 5 pages - Electronics

Serial communications is the process of sending data one bit at one time, sequentially, over a communication channel or computer bus. Serial communications is used for all long haul communications and most computer networks, where the cost of cable and synchronization difficulties make parallel...

05 May 2009

Smart wireless foot pedal: How to make one specific to medical equipment

Presentation - 25 pages - Electronics

In this project, we will be developing a micro controller based wireless foot pedal system to be used along with medical equipment. Most of the surgical equipments will be controlled by the foot pedals. Most of the surgical equipment will be controlled by the foot pedals. The parameters such as...

23 Apr 2009

Designing an electro-mechanical device with automatic target detection and firing mechanism and a provision for remote controlling the device

Tutorials/exercises - 35 pages - Electronics

The main aim of any security organization is to provide a comprehensive security net to its client. However, in the process the cost of the whole process in terms of labor and money needs to be considered. Many times the work force gets limited due to reasons such as unavailability of suitable...

05 Mar 2009

Commodity futures market

Dissertation - 40 pages - Electronics

India has a long history of commodity futures trading, extending over 125 years. Still, such trading was interrupted suddenly since the mid seventies in the fond hope of ushering in an elusive socialistic pattern of society. As the country embarked on economic liberalization policies and signed...

13 Jan 2009

Can Japanese Sogo-soshas become common in Europe and USA with the system and its current situation?

Essay - 11 pages - Electronics

According to Reuters, a Japanese company has come up with a new way to track down grandmas, grandpas and anyone else who forgets where he or she is supposed to be. The company will use a satellite-based global positioning system and cellular technology. The device has been developed by a...

13 Jan 2009

The disposable DVD (DVD-D)

Thesis - 3 pages - Electronics

The DVD-D is a standard DVD that can be used only for several hours after the card board sleeve has been opened. But the sleeve can be opened anytime: now, in one day, in one week, in one month or in several years. Then the DVD-D has a restricted lifespan of eight hours, after which it will be...

13 Jan 2009

The use of GIS (Geographic Information Systems) by banks

Essay - 3 pages - Electronics

Nowadays, companies are getting more and more involved in Geographic Information Systems. Indeed, Geographic Information Systems (GIS) are a new tool for today's businesses. This statement is confirmed by Peter Keenan (2005). There are in fact several reasons why companies are increasingly using...

04 Dec 2008

What was TV?

Essay - 4 pages - Electronics

In the 1950's television became the dominant mass media as people readily brought small screens into their homes in greater numbers of hours per week than ever before. It was clear that television would leave its mark “for good or ill and be under ever widening scrutiny—and not merely...

04 Dec 2008

On-Line quality control: Advances in sensor technology

Essay - 9 pages - Electronics

The success of new product introductions lies with consumer acceptance of key food attributes such as texture, color, flavor, freshness, and nutrition. Automation in food processing allows for control of the consistency of these attributes by measuring a specific property, adjusting processing...

07 Oct 2008

Encryption: Security in the age of technology

Essay - 5 pages - Electronics

Encryption is a word that is associated with mystery and secrecy. For hundreds of years, it is tool that has been used to help protect information. Simply, it is a process that scrambles ordinary textual or written information into something that is illegible and difficult to read or decipher....