• No results found

high frequency radar system

Constraining energetic slope currents through assimilation of high-frequency radar observations

Constraining energetic slope currents through assimilation of high-frequency radar observations

... of high-frequency (HF) radar current observations and CTD hydrography is performed with the 4D-Var analysis scheme implemented in the Regional Ocean Modeling System ...HF radar currents ...

13

Application of Super-SVA to Stepped-Chirp Radar Imaging with Frequency Band Gaps Between Subchirps

Application of Super-SVA to Stepped-Chirp Radar Imaging with Frequency Band Gaps Between Subchirps

... the system bandwidth ...stepped frequency technique has become an alternative method for radar ...Stepped frequency chirp signal (SFCS), as an important signal form of SAR imaging, has been ...

12

A Novel 10 GHz
 Super-Heterodyne Bio-Radar System Based on a Frequency Multiplier and Phase-Locked Loop

A Novel 10 GHz Super-Heterodyne Bio-Radar System Based on a Frequency Multiplier and Phase-Locked Loop

... the system performance, and the overall SNR of the proposed bio-radar ...bio- radar system is high enough to measure the vital signal up to about 1 ...proposed system is exactly ...

14

High-frequency ocean radar support for Tsunami Early Warning Systems

High-frequency ocean radar support for Tsunami Early Warning Systems

... observed radar results were compared with water level measurements by the tide gauge located 50 km to the south from the radar ...WERA system and the tide gauge indicates a high corre- ...

10

Fractional-N PLL based FMCW sweep generator for an 80 GHz radar system with 24.5 GHz bandwidth

Fractional-N PLL based FMCW sweep generator for an 80 GHz radar system with 24.5 GHz bandwidth

... a frequency range from 17 GHz to ...output frequency in the range from ...commercial frequency synthesizer chip with a high reference frequency is ...used. Frequency ramps are ...

5

Analysis And Simulation Of High Accurate Airborne Radar System

Analysis And Simulation Of High Accurate Airborne Radar System

... airborne radar consists of three elements: a radio transmitter, a radio receiver tuned to the transmitter’s frequency and an ...airborne radar system (Stimson et al, ...

24

Ionosphere Probing with a High Frequency Surface Wave Radar

Ionosphere Probing with a High Frequency Surface Wave Radar

... reflected high-frequency (HF) radio ...low system and operating costs which make these Doppler observing systems an effective means for ionosphere ...wave radar [8, 9], and HF surface wave ...

12

Design of Radar to Detect a Target at an
Arbitrary Standoff Range

Design of Radar to Detect a Target at an Arbitrary Standoff Range

... modern radar systems are very complicated, it can easily understand their operation by using a basic block diagram of a pulse-radar ...of radar is relatively simple even though in many instances its ...

9

Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System

Noise Removal Technique in Near-Field Millimeter-Wave Cylindrical Scanning Imaging System

... imaging system is based on the cylindrical synthetic aperture radar (CSAR) technology [1], which scans the surface of human body through high speed ...The radar transceiver transmits the ...

7

The Application of PXI VSA in Radar Testing System

The Application of PXI VSA in Radar Testing System

... specific frequency within a specified bandwidth and is suitable for performing spectrum measurements, demodulation, and signal ...of high-performance hardware platform designed to achieve the vector signal ...

7

Four-Dimensional SAR Imaging Scheme Based on Compressive Sensing

Four-Dimensional SAR Imaging Scheme Based on Compressive Sensing

... aperture radar system is sparse and non-uniform in the baseline-time ...in high frequency radar application, a novel 4-D imaging scheme based on compressive sensing is proposed in this ...

15

A pulse compression radar system for high resolution ionospheric sounding

A pulse compression radar system for high resolution ionospheric sounding

... in this thesis does utilize a filter which is matched to the signal produced by introducing the output of the chirp generator directly into the receiver, it cannot compensate for distort[r] ...

211

Fixed lag smoothing target tracking in clutter for a high pulse repetition frequency radar

Fixed lag smoothing target tracking in clutter for a high pulse repetition frequency radar

... This paper presents a new method to smooth the target hybrid state at fixed lag N. It applies the proposed smooth- ing algorithm on both GMM-ITS and EMM algorithms to obtain the smoothing benefits for an HPRF ...

11

Design of Low Power Radar Level Sensor with Improved Accuracy Rate for Sodium Level Detection in PFBR

Design of Low Power Radar Level Sensor with Improved Accuracy Rate for Sodium Level Detection in PFBR

... Internal piping, deposits on the antenna, multiple reflections, or reflections from the wall can interfere with the proper operation of the radar sensor. Other sources of interference are rat-holing and bridging ...

5

Seasonal Monsoon Variations in Surface Currents in the Gulf of Thailand Revealed by High Frequency Radar

Seasonal Monsoon Variations in Surface Currents in the Gulf of Thailand Revealed by High Frequency Radar

... HF radar data: 1) applying area averaging to the data; or 2) considering the time series of surface currents for particular points of ...During high and low tides, northeastward and southeastward flows were ...

13

System Simulation of RF Front End Transceiver for Frequency Modulated Continuous Wave Radar

System Simulation of RF Front End Transceiver for Frequency Modulated Continuous Wave Radar

... The phase shift  results from the transit time due to ranging.Equation (26) can be implemented in the target model, shown in figure 7, using HP-Advanced Design System (ADS). It can be also implemented in other ...

8

A 3D Model to Characterize High-Frequency Scattering by Urban Areas for Monostatic and Bistatic Radar Configurations

A 3D Model to Characterize High-Frequency Scattering by Urban Areas for Monostatic and Bistatic Radar Configurations

... In this section, we want to evaluate the effects of urban parameters (such as building shape, building density, . . . ) on the far-zone scattered field. The radar configuration for all cases of simulation is ...

20

197410 pdf

197410 pdf

... A background in some of these areas will be considered: Data Base Management; Radar & Communications System Programming; Radar, Weapons, Missile Simulation; Operating System Software Dev[r] ...

166

197409 pdf

197409 pdf

... A background in some of these areas will be considered: Data Base Management; Radar & Communications System Programming; Radar, Weapons, Missile Simulation; Operating System Software Dev[r] ...

192

A Portable Frequency Domain Electromagnetic System for Shallow Metal Targets Detection

A Portable Frequency Domain Electromagnetic System for Shallow Metal Targets Detection

... penetrating radar (GPR) which measures the electromagnetic wave reflected by boundary, frequency domain electromagnetic system [4] measures the secondary magnetic field generated by eddy current ...

9

Show all 10000 documents...

Related subjects