Radio frequency antenna types

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  • Wireless Communication: The Evolution Of Human Society

    function, from radio and television broadcasting, satellite transmission to now ubiquitous mobile phones. Wireless communication has many more advantages as compared to the earlier successful wired communication: These are because of its portability, flexibility, and coverage. The freedom a hand-held device like a cell phone offers the user is portability. The ability to add/remove device into existing networks without any changes in hardware is flexibility. Technologies such as cellular radio…

    Words: 1049 - Pages: 5
  • Edwin Howard Armstrong: A Medium Of Communication

    Television and the Internet are, in the 21st century, replacing radio. In fact, advances in technology have allowed people to access an increasing amount of information, through different forms. A person wanting to learn about world news can now go on the Internet, read a newspaper, watch television or listen to the radio. The technology behind radio as well as its inventors is the reason why, nowadays, people have an unlimited access to information; it began in 1844, with the invention of the…

    Words: 2036 - Pages: 9
  • Impacts Of RFID Technology In A Five Layer Supply Chain

    measure the effects of RFID technology in a five-layer supply chain management system for the utility sector. While the main objective is to expand, the reader understanding of the possible effects of RFID technology with dealing with supply chain. Radio-frequency identification (RFID) uses electromagnetic fields to mechanically recognize and track tags attached to items. Some believe that RFID is to be well-thought-out the next big thing in supply chain management.…

    Words: 1017 - Pages: 5
  • Case Study: The Diversity Of User Cooperation

    reducing sensitivity to channel change, and concluded that working effectively together to simulate a case of multiple antennas, assistance with single antenna terminals. (A. Goldsmith,…

    Words: 3958 - Pages: 16
  • Star And Sun Research Paper

    - Without the sun, we all would be dead, it gives us light, heat and energy to heat up the Earth - Most of the energy stays inside of the sun because of its gravitational pull, and all small amounts leave the surface in the form of radiant energy Type of star: Age: Yellow dwarf 4.5 Billion Years Diameter: 1,392,684 km Mass: 1.99 × 10^30 kg (333,060 Earths) Surface Temperature: 10,000°C 5,600 °C How Does the Sun Work? Nuclear Fusion: Fusion is a process where the nuclei of atoms bond…

    Words: 2264 - Pages: 10
  • Texting And Driving Is Dangerous Essay

    texting a friend or playing a game that “just can’t wait”. Phones can even cause cancer. Furthermore phones give off radio frequency energy (radio waves). It sends a form of non-ionizing radiation from their battery or antennas. Tissue near it could get cancer and damage your body. Your body can not handle energy like that so it damages your immune system and opens your pores so any type of cancer can get into your body. “It’s looking increasingly likely that cellular phones (mostly…

    Words: 689 - Pages: 3
  • Adaptive Cruise Control

    CHAPTER 3 Adaptive Cruise Control 3.1 Introduction Adaptive Cruise Control (ACC) is one of the ADAS systems, introduced by General Motors in 1990 that is similar to conventional cruise control. ACC assists the driver to keep a safe distance from preceding vehicle by controlling the engine, throttle and brake. Figure 3.1.1: Prabs, (2010), Adaptive Cruise Control system As shown in the above Figure 3.1.1. ACC uses a forward-looking radar sensor, which is installed behind the front grill of…

    Words: 1555 - Pages: 7
  • National ID Card Case Study

    I. BACK GROUND National ID cards for Unique Identification have long been advocated as resources to enhance national security, debunk probable terrorists, and guard against illegitimate immigrants. National ID Cards are in use in many realms around the world together with supreme European countries, Hong Kong, Malaysia, Singapore and Thailand. Presently India; The Aadhar Project was sold to the public based on the claim that enrolment was “Controlled”. This basically meant that there was no…

    Words: 1813 - Pages: 8
  • Fabrication Lab Report

    Introduction: The lab experiment on Fabrication and Microwave Frequency Measurement of a ring Resonators was about finding the relative dielectric constant and the response of a ring resonator. These values are found by using a ring resonator and setting a frequency signal to the ring to resonate the signal. This lab also shows how to make the ring resonators from paper or any type of electric device from fabrication. Fabrication is used to print electric devices such as printed circuit boards.…

    Words: 1715 - Pages: 7
  • Touch N Go Card Case Study

    Touch ‘n Go Sdn Bhd applied the Electronic Payment System (EPS) in the business. Touch ‘n Go Sdn Bhd provides a made of payment via a prepaid e-payment smart card called the Touch ’n Go card. The Touch ‘n Go card is an electronic purse that used to pay for toll usage at all highways in Malaysia. Touch ‘n Go Sdn Bhd uses contactless smartcard technology. The credit card-sized Touch ‘n Go smart card is made of plastic with Philips’MIFARE microchip technology (which is locally developed according…

    Words: 1440 - Pages: 6
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