hi..we want the project abstract of lcd based digital alarm clock with digital thermometer using 8051/89c51..
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Abstract Computational Private Information Retrieval (cPIR) protocols allow a client to retrieve one bit from a database, without the server inferring any information about the queried bit. These protocols are too costly in practice because they invoke complex arithmetic operations for every bit of the database. In this paper, we present pCloud, a distributed system that constitutes the first attempt toward practical cPIR. Our approach assumes a disk-based architecture that retrieves one page with a single query. Using a striping technique, we ....etc

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Respected sir/madam

sir i want the m.tech projects based on image segmentation techniques using matlab.please do help me.

with regards
ajay
yes , i hope i will be useful for me in doing my project ....etc

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A/D and D/A Conversion,analog to digital and digital to analog

Data Converter impacts the factor for the performance of the overall radio design
Requirements: very high sampling rates, high number of effective quantization bits, an operating bandwidth of several Ghz, a large spurious-free dynamic range, a reasonable price
DAC and ADC converters
Sampling and Quantization
Nyquist Zones
Aliasing
Bandpass filtering uses image to translate bandpass signals to baseband
Errors occurs in Quantization
Quanti ....etc

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Introduction
Infrared thermometers measure temperature using blackbody radiation (generally infrared) emitted from objects. They are sometimes called laser thermometers if a laser is used to help aim the thermometer, or non-contact thermometers to describe the device s ability to measure temperature from a distance. By knowing the amount of infrared energy emitted by the object and its emissivity, the object's temperature can be determined.
The most basic design consists of a lens to focus the infrared ener ....etc

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APPLICATIONS OF DIGITAL OBJECT COUNTER USING LDR & IC 555 MONOSTABLE MULTIVIBRATOR ....etc

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1. Highway Car Accident Identification and Auto Communication to Patrol or Hospital
2. Real Time Lane Detection for Autonomous Vehicles - Ultrasonic Sensor
3. Autonomous Robot with Obstacle Avoidance, Drive Wheel
4. Computerized Train Control System
5. Design and Development of Line Follower Robot using the Principle of Reflection of Light Rays
6. Combination Lock for Security Applications
7. Computer Keyboard Dual Controller for Switching Electrical Devices
8. Fuzzy Logic based Lift Control & Management System
9. Advanced Wireless Elec ....etc

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Digital-to-Analog Analog-to-Digital
Data Handling Systems
Both data about the physical world and control signals sent to interact with the physical world are typically analog or continuously varying quantities.
In order to use the power of digital electronics, one must convert from analog to digital form on the experimental measurement end and convert from digital to analog form on the control or output end of a laboratory system.
Digital-to-Analog Conversion
When data is in binary form, the 0's and 1's may be of s ....etc

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Abstract:

A digital audio broadcasting system that is capable of providing a large number of high quality stereophonic channels to mobile receivers in an environment with severe multipath delay and fading. Optimum combination of frequency and time diversity to guarantee robust performance in the mobile channel, with its multipath delay and frequency-selective fading effects. The system is based upon a dynamic single channel per carrier assignment of each stereo channel to many carriers. Inter symbol interference degradations caused by multipat ....etc

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detailed working of a DIGITAL NOCTURNAL NUISANCE using logic gates ....etc

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