TRANSMISSION LINES Introductory Lecture Engr. Duwi E. Iscala SoE/APC What are transmission lines? • Transmission lines are pieces of wire or cable used to carry telephone signals‚ computer data in LANs‚ TV signals in cable TV systems‚ and signals from a transmitter to an antenna‚ or vice versa. Transmission Line • Definition: – Any means of conveying signal or power from one point to another What are the different types of transmission lines? • Parallel-wire lines What are the
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Brochure More information from http://www.researchandmarkets.com/reports/604386/ Analyzing Microwave Power Transmission & Solar Power Satellite Systems Description: Microwave power transmission (MPT) involves the usage of microwaves to transmit power through outer space or the atmosphere without the need for wires. It is a sub-type of the more general wireless energy transfer methods‚ and is the most interesting because microwave devices offer the highest efficiency of conversion between DC-electricity
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Transmission media lie below the physical layer. We can evaluate transmission media by throughput‚ propagation speed‚ and propagation time. * A guided medium provides a physical conduit from one device to another. Twisted-pair cable‚ coaxial cable‚ and optical fiber are the most popular types of guided media. Twisted-pair cable consists of two insulated copper wires twisted together. Twisting allows each wire to have approximately the same noise environment. Twisted-pair cable is used in
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use of Nerve agents‚ and to a larger extent Chemical Weapons‚ is illegal according to United Nations Resolution 687 which passed in 1991. The production‚ stockpiling‚ and use of these weapons were banned by The Hague Convention of 1899 and the Geneva Protocol of 1925. All Nerve agents are fatal to the human body in the same way. Some are more potent‚ and some remain on the battlefield longer than others. Many factors play a role in how long a Nerve agent remains on the battlefield. Nerve agents come
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A Review of Facial Nerve Anatomy Terence M. Myckatyn‚ M.D.1 and Susan E. Mackinnon‚ M.D.1 ABSTRACT An intimate knowledge of facial nerve anatomy is critical to avoid its inadvertent injury during rhytidectomy‚ parotidectomy‚ maxillofacial fracture reduction‚ and almost any surgery of the head and neck. Injury to the frontal and marginal mandibular branches of the facial nerve in particular can lead to obvious clinical deficits‚ and areas where these nerves are particularly susceptible to injury
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A STUDY OF IMPULSE BUYING WITH REFERENCE TO DEMEGRAPHIC CHARACTERISTICS OF PESHAWAR’S CONSUMERS Dr.Farzand Ali Jan[1] Muhammad Farooq Jan‚ Muhammad Faheem Jan[2] Seema Zubair[3] Abstract Impulse buying is a fun‚ puzzle and a research question in today’s marketing world. The same is under the study of psychologists‚ consumer behavior researchers‚ economist‚ fashion designers‚ outlet decorators and advertisers. Objective of the study was to identify the nature of convenience
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Impulse Control Disorder General Psychology 11:00-12:15 T/H 11/29/13 What is impulse control disorder? Impulse control disorder is more than just acting on a whim. People with an impulse control disorder‚ a newer form of personality disorders‚ can’t resist the urge to do something harmful to themselves or others (Ploskin‚ 2007). People with these disorders may or may not plan the acts‚ but the acts generally fulfill their immediate‚ conscious wishes. Most people‚ however‚ find their
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Defense Mechanism Defense Mechanism is an unconscious psychological strategies brought into play by various entities to cope with reality and to maintain self-image. Healthy persons normally use different defenses throughout life. An ego defense mechanism becomes pathological only when its persistent use leads to maladaptive behavior such that the physical and/or mental health of the individual is adversely affected. The purpose of ego defense mechanisms is to protect the mind/self/ego from anxiety
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DEFENSE MECHANISMS IN PSYCHIATRIC DISORDERS I. PSYCHOSES: *In the acute stage there is a complete loss of the ego’s defense mechanisms‚ and disturbing thoughts‚ feelings‚ and impulses intrude into the consciousness *as the individual gradually improves defenses appear • projection • delusional denial • distortion • regression II. NEUROTIC CONDITIONS: (Anxiety Disorders; Somatoform Disorders; Dissociative Disorders in DSM IV R) *defenses are used non-adaptively in
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IMPULSE CONTROL DISORDERS Many of the self-control disorders involve disturbances in the ability to regulate an impulse - an urge to act. People with impulse control disorders act on certain impulses involving some potentially harmful behavior that they cannot resist. Impulsive behavior in and of itself is not necessarily harmful; in fact‚ we all act impulsively upon occasion. Usually our impulsive acts have no ill effects‚ but in some instances they may involve risk. Consider the following
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