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I am interested in a circuit diagram for fetal doppler for fetal heart monitoring. ....etc

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ABSTRACT
This paper analyzes and compares existing variety of LDV technologies. According to existing LDV's deficiencies such
as limited signals processing ability, poor adaptability and low precision, a new design scheme of LDV based on digital
signal processing is introduced in this article.
Doppler signal processing systems processes the spectrum by DSP. The system consists of a filter, a wave detector, an
A/D converter and buffer. DSP system samples digital signals and performs Fourier Transform, and the information of
velocit ....etc

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presented by:
A.MAHENDRA CHARY
T.SRI MALLIKA


“Nature can conquer man but man cannot conquer nature” goes the conventional saying.
But with the development of science, man can certainly able to predict adverse weather conditions to overcome huge losses of men and resources. Meteorology is the branch of science that has helped us out in this regard. Role of radar in this aspect has proved vital in many cases. In this paper, we describe how RADAR can be used i ....etc

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RADAR (Radio Detection and Ranging) is basically a means of gathering information about distant objects by transmitting electromagnetic waves at them and analyzing the echoes. Radar has been employed on the ground, in air, on the sea and in space. Radar finds a number of applications such as in airport traffic control, military purposes, coastal navigation, meteorology and mapping etc.

The development of the radar technology took place during the World War II in which it was used for detecting the approaching aircraft and then later for man ....etc

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ABSTRACT
This paper presents a new measure of heart rate variability (HRV) that can be estimated using Doppler ultrasound techniques and is robust to variations in the angle of incidence of the ultrasound beam and the measurement noise. This measure employs the multiple signal characterization (MUSIC) algorithm which is a high-resolution method for estimating the frequencies of sinusoidal signals embedded in white noise from short-duration measurements. We show that the product of the square root of the estimated signal-to-noise ratio ....etc

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Adaptive active phased array radars are seen as the vehicle to address the current requirements for true ?multifunction? radars systems. Their ability to adapt to the enviournment and schedule their tasks in real time allows them to operate with performance levels well above those that can be achieved from the conventional radars.

Their ability to make effective use of all the available RF power and to minimize RF losses also makes them a good candidate for future very long range radars. The AAPAR can provide many benefit in meeting the pe ....etc

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RADAR (Radio Detection and Ranging) is basically a means of gathering information about distant objects by transmitting electromagnetic waves at them and analyzing the echoes. Radar has been employed on the ground, in air, on the sea and in space. Radar finds a number of applications such as in airport traffic control, military purposes, coastal navigation, meteorology and mapping etc.

The development of the radar technology took place during the World War II in which it was used for detecting the approaching aircraft and then later for man ....etc

[:=Read Full Message Here=:]

Adaptive active phased array radars are seen as the vehicle to address the current requirements for true ?multifunction? radars systems. Their ability to adapt to the enviournment and schedule their tasks in real time allows them to operate with performance levels well above those that can be achieved from the conventional radars. Their ability to make effective use of all the available RF power and to minimize RF losses also makes them a good candidate for future very long range radars. ....etc

[:=Read Full Message Here=:]

RADAR (Radio Detection and Ranging) is basically a means of gathering information about distant objects by transmitting electromagnetic waves at them and analyzing the echoes. Radar has been employed on the ground, in air, on the sea and in space. Radar finds a number of applications such as in airport traffic control, military purposes, coastal navigation, meteorology and mapping etc.

The development of the radar technology took place during the World War II in which it was used for detecting the approaching aircraft and then later for man ....etc

[:=Read Full Message Here=:]