Essays about: "Signal jammer"

Showing result 1 - 5 of 7 essays containing the words Signal jammer.

  1. 1. Design of a metal detector

    University essay from Högskolan i Gävle/Avdelningen för elektronik, matematik och naturvetenskap

    Author : Ammar Haider; [2018]
    Keywords : Antenna; Radar; Frequency;

    Abstract : Electromagnetic wave propagation is a well-known phenomenon in the scientific world and when the first telescope was built method of sensing objects excelled afterwords. Research in optical system and infrared is growing day by day but radar system still dominates the world in object sensing. READ MORE

  3. 2. Methods for locating signal jammers with a UAV

    University essay from Linköpings universitet/Fysik och elektroteknik; Linköpings universitet/Tekniska fakulteten

    Author : Andreas Höggren; Love Lindmark; [2018]
    Keywords : UAV; Signal jammer; RSSI; Signal reflection;

    Abstract : Wireless communication today is a modern way to transport data from one location to another. One of the drawbacks of this feature is that a signal jammer can disrupt communications between the receiver and transmitter since the radio waves travel in the open air. This drawback can be exploited in both military and civilian applications. READ MORE

  4. 3. Evaluating LoRa and WiFi Jamming

    University essay from Mittuniversitetet/Avdelningen för informationssystem och -teknologi

    Author : Albert Öst; [2018]
    Keywords : IoT; LoRa; WiFi; Arduino; HackRF One; RSSI; RTT; Packet loss;

    Abstract : Internet of Things changes our world with everything we have around us, our everyday things will be connected to the Internet. According to experts, in two years there will be up to 29 billion devices connected to the Internet. READ MORE

  5. 4. Crowdsourcing GNSS Jamming Detection and Localization

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Luka Strizic; [2017]
    Keywords : gnss; gps; galileo; glonass; beidou; crowdsourcing; smartphones; android; e911; j911; jamming; jammer; detection; localization; pdoa; tdoa;

    Abstract : Global Navigation Satellite Systems (GNSS) have found wide adoption in various applications, be they military, civilian or commercial. The susceptibility of GNSS to radio-frequency interference can, thus, be very disruptive, even for emergency services, therefore threatening people's lives. READ MORE

  6. 5. Speech Enhancement in Hands-Free Device (Hearing Aid) with emphasis on Elko's Beamformer

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : TELAGAREDDI S N U V RAMESH; [2012]
    Keywords : Speech Enhancement; Speech intelligibility; Speech Communication and Beamforming ;

    Abstract : In general, an uncontrolled environment may contain degradation components like background noise, speech from other speakers etc. along with required speech components. It is very tough to concentrate only on speech signals in presence of background noise for normal listeners and hearing impaired persons. READ MORE