نتایج جستجو برای: radar transmitter
تعداد نتایج: 55304 فیلتر نتایج به سال:
Multi-transmitter multi-receiver passive radar, which locates target in the surveillance area by the reflected signals of the available opportunistic transmitter from the target, is of interest in many applications. In this paper, we investigate different signal processing scenarios in multi-transmitter multi-receiver passive radar. These scenarios include decentralized processing of reference ...
Biand multistatic radar are expected to benefit from their separation of transmitter and receiver that denies receiver recognition by ARM, favours covered operation by their silent receivers, has higher detection possibilities of stealthy objects and is less vulnerable to jamming. The requirements of synchronisation in a separated transmitter-receiver system are discussed. The processing in bis...
This paper reports results of an experimental program called the Mode Selection Experiment that was designed to demonstrate ionospheric mode selectivity on transmit over a one-way skywave propagation path. This corresponds to the transmitter-to-target part of the two-way propagation path used in an Over-the-Horizon Radar. The purpose of the experiment was to show that multiple-input multiple-ou...
One of the parameters of the pulsed RADAR that contributes range capability is the average power of the transmitter. The average power can be increased by increasing the peak power or transmitted pulse width or both. The complexity in the design of transmitter components to withstand high peak power is the most challenging task. On the other hand larger transmitted pulse width affects the RADAR...
-Idea of Radar target simulator is to electronically generate the Radar illuminated environment without switching on actual Radar transmitter in the field. These Radar target simulators are used to develop, optimize and test the Radar System Design and Algorithms in the Lab. Conventional testing method has its own limitations. In this paper DRFM based target simulator is presented which overcom...
This study proposes a 24 GHz FMCW radar system to detect the 3-dimensional location of target. To determine azimuth and elevation angles target, proposed includes seven transmitters, illuminating between −17.5° 17.5° with 5° resolution, receiver 2×4 array. Instead using conventional switch, beam steering is performed by directly switching power amplifier transmitter. Experimental results show t...
Abstract—Space-Time Adaptive Processing (STAP) algorithm has recently been used in Passive Bi-static Radars (PBR) because it removes the clutter and non-cooperative transmitter effectively making the target detection easy in harsh environments like air-ground. Realtime implementation of STAP is a very challenging task as it is computationally-intensive, time-critical and resource-hungry process...
The interest in biand multistatic radar has been growing over the last years as they offer various advantages. For instance the transmitter and receiver can be easily be separated and therefore the survivability can be enhanced by deploying the transmitter further away from the scene. Even the possibility of a forward looking synthetic aperture radar can be realised. Bistatic radar can provide ...
In recent years, several emerging technologies in modern radar system design are attracting the attention of radar researchers and practitioners alike, noteworthy among which are multiple-input multiple-output (MIMO), ultra wideband (UWB) and joint communication-radar technologies. This thesis, in particular focuses upon a cognitive approach to design these modern radars. In the existing litera...
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