Frequency

Problem Description In recent times coastal areas have been extensively developed in the area of North West of Port-of-Spain. Its beautiful landscape by the sea, bays and streams have been utilized by habour activities and human activities. The area s also used by various boats both personal and commercial that carry chemicals and hazardous compounds. These water vessels are often cleaned on the docks and emit a lot of hazardous waste into the water. Leaks during the transfer of goods and…

Chapter 5 Proximity Sensor 5.1 Introduction A proximity sensors is the sensor able to detect the presence of nearby objects without any physical contact. A proximity sensors often emits an electromagnetic field or a beam of electromagnetic radiation, and looks for changes in the field or return signal. The object being sensed is often referred to as the proximity sensor's target. Different proximity sensor target demand different sensor. For examples a capacitive or photoelectric sensors…

In the first place let begin by saying what is the (LRAD)? It is The Long Range Acoustic Device. Which is a loud megaphone/microphone or speaker to convey important messages to individuals who makes loud noise and disturb the environment. Certainly, the LRAD is not a less lethal weapon. Of course, the LRAD is used to get the attention of a large crowd or a criminal is about to break the law by disturbing the peace. The LRAD once in operation will get the attention of the troublemaker, prevent…

wireless local area network (WLAN), cellular phone, medical applications. and satellite communication. As shown in Fig. 1, The Microstrip Patch Antenna consists of a metallic patch above a ground plane. The shape and size of patch determine the frequency of operation of the antenna and its…

1.1 Overview: In antenna theory of analysis and design, the most forward looking topic is microstrip patch antenna. Microstrip patch antennas are made to have many different geometrical shapes and dimensions but among all the shapes of microstrip patch, four of them are most common than another that are square, rectangular, dipole and circular. They are employed in wide range of modern applications because of their easiness to design and compatibility with printed-circuit technology. The basic…

Extra Extra read all about it Haarp, An Government Weapon? On 1993 in Gakona, Alaska something weird was born a machine that most people didn’t know could be so powerful. Haarp, an High frequency active auroral research program is what Haarp Actually stand for if you do not know. Most people think that this machine is very dangerous, Most know this machine can change the world. Money, an issue any person can have trouble with. Haarp has gotten millions 300 (to be exact) of tax dollars every…

conditions and verify those results within the allowable limits. ANSYS software is used to analyze the stresses and strains by performing static analysis for the given leaf spring specifications and modal analysis is performed to determine the natural frequencies and mode shapes to asses the behavior of the leaf spring with various parametric combinations. After prepared the model of the leaf spring by specifications it has to be subjected to analysis in ANSYS Workbench. Analysis involves…

determines the color and pitch? It is the frequency of the waves that gives us different perception. We all know that higher frequency sound waves have higher pitch. The faster the oscillation, the higher pitch sound it gives. Our ears can only detect a certain range of the frequencies, called the audible spectrum or audio frequency. Although the audible range differs from person to person, it is generally from 20 to 20,000 oscillations per second. Sound having frequency greater than the upper…

been hypothesized that the bats change the frequencies in response to other signals to avoid interference or “jamming”. Most previous research that had been done was basic observation of bats flying together. It…

defined as the process whereby some distinct characteristics (such as amplitude or frequency or phase) of a high frequency signal wave (called carrier wave) is varied in accordance with instantaneous value intensity of low frequency signal wave (known as modulating wave.).These variations in characteristics results in amplitude modulation, frequency nodulation and phase modulation.…