Abstract”
Two major objectives are concerned in this paper. On one hand, a multiplicity of typical methodologies available for achieving dual-frequency operation for microstrip patch antennas are summarized and classified into three categories, based on their intrinsic mechanisms. On the other hand, by employing the dual-frequency solutions, microstrip patch antennas are applied to the mobile handsets of the third-generation IMT-2000 system. Two novel microstrip patch antennas with broadband property and miniaturized size have been prop ....etc

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A Technique for Orthogonal Frequency Division Multiplexing
Frequency Offset Correction

Abstract:
The Orthogonal Frequency Division Multiplexing (OFDM) is a Multi Carrier Modulation technique employing Frequency Division Multiplexing of orthogonal subcarriers. It is also sometimes called as discrete multitone modulation (DMT). It is better than CDMA in high bit rate and Broadband Communications .It is a multi carrier technique, which is very sensitive to Frequency Offset between transmitter and receiver. Th ....etc

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SYNOPSIS
Dual-tone Multi-Frequency (DTMF) signaling is the basis for voice communications control and is widely used worldwide in modern telephony to dial numbers and configure switchboards. It is also used in systems such as in voice mail, electronic mail and telephone banking.
The detector part of early DTMF systems consisted of analog implemented bandpass filter banks, which were tuned to the eight standard frequencies. As analog lines as well as many other analog systems were converted to digital, researchers became ....etc

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Electro Discharge Machining


The unconventional method of several specific advantages over conventional methods of machining and these promise formidable tasks to be undertaken and set a new recording in the manufacturing technology. EDM is one such machining process, which has been immense help to the manufacturing process engineers to produce intricate shapes on any conducting metal and alloy irrespective of its hardness and toughness.


CLASSIFICATION

1. Contact initiated discharge
2. Spark initiated discharge
3. Electrolytic dis ....etc

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The unconventional method of several specific advantages over conventional methods of machining and these promise formidable tasks to be undertaken and set a new recording in the manufacturing technology. EDM is one such machining process, which has been immense help to the manufacturing process engineers to produce intricate shapes on any conducting metal and alloy irrespective of its hardness and toughness.


CLASSIFICATION

1. Contact initiated discharge
2. Spark initiated discharge
3. Electrolytic discharge

ADVANTAGES

1. The pr ....etc

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Final Report on
Dual-Tone Multiple Frequency (DTMF) Detector Implementation
Presented By:
Giiner Arslan
for EE382C Embedded Software Systems
Abstract
Dual-tone Multi-frequency (DTMF) signals are used in touch-tone telephones as well as many other areas such as interactive control, telephone banking, and pager system. As analog telephone lines are converted to digital, researchers became interested in digital DTMF detectors.
There are many digital DTMF detecting algorithms, but most of them do not comply wit ....etc

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i want to make a fully remote controlled and wireless car with dual frequency. please accordingly provide me the information based pn the circuit of car and the remote. ....etc

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