sample of English speech - birthday speech - entertaining speech - informative speech - etc
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Wednesday, January 20, 2010
Wednesday, January 13, 2010
narative text - The lonely Princess
Once upon a time, there live a beautiful princess. Her name was Lola. She was 14 years old. She had two older brothers. They were much older then she was. Therefore, they never played with her.
Lola always played alone. She played dolls in her room alone. She read her story book alone in the garden. When she was at school, she never talked to her friends. Whenever her friends tried to talk to her, she always answered them angrily. No one wanted to talk to her.
One day, there was a new student at school. She was a princess too. Her name was Sabrina. Sabrina was a friendly princess. she made friends quickly. Every body love her.
When Sabrina played hide and seek with other students, Lola just keep on reading her book. She did not care about her surroundings. Sabrina saw her. She asked one of the students, "Who is the girl sitting under the tree?"
" Her name is Lola. She is quiet and shy. And she always angry. She never played with us," the student answered.
Sabrina left the group. She came to Lola.
"Hi!" she said.
Lola looked up to Sabrina. But she did give any reply.
"What are you doing?" Sabrina kept asking.
"Can't you see that I'm reading?" Lola answered her sharply.
"I see. What book are you reading?"
" It's a story book. Hey, can't you just leave me alone. I don't want to talk to anybody right now," Lola answered.
"Well, then. I'll leave you. But if you want, you can play with us," Sabrina kept talking in friendly tone. She left Lola alone.
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Lola always played alone. She played dolls in her room alone. She read her story book alone in the garden. When she was at school, she never talked to her friends. Whenever her friends tried to talk to her, she always answered them angrily. No one wanted to talk to her.
One day, there was a new student at school. She was a princess too. Her name was Sabrina. Sabrina was a friendly princess. she made friends quickly. Every body love her.
When Sabrina played hide and seek with other students, Lola just keep on reading her book. She did not care about her surroundings. Sabrina saw her. She asked one of the students, "Who is the girl sitting under the tree?"
" Her name is Lola. She is quiet and shy. And she always angry. She never played with us," the student answered.
Sabrina left the group. She came to Lola.
"Hi!" she said.
Lola looked up to Sabrina. But she did give any reply.
"What are you doing?" Sabrina kept asking.
"Can't you see that I'm reading?" Lola answered her sharply.
"I see. What book are you reading?"
" It's a story book. Hey, can't you just leave me alone. I don't want to talk to anybody right now," Lola answered.
"Well, then. I'll leave you. But if you want, you can play with us," Sabrina kept talking in friendly tone. She left Lola alone.
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Narative text - The Mill Owner
Pier was a poor mill owner. One day, a man with a fine suite stood in front of him. the man asked,"Do you want to be rich?"
Pier answer, "Of course, I do. Who are you?"
" I'm devil. I'll make you rich for thirty years. In return you give me your soul."
pier was shocked, but he thought for a moment. Then he decided, "Well, as long as I'm rich, I'll do anything. Even if I have to sell my soul to the devil."
" It's a deal!"
the next day, everything changed. Pier became a rich man. He lived happily for thirty years.
Time passed quickly. The devil came back. he said to Pier, "I've made you rich. Now, give me your soul."
"Mr. Devil," Pier begged, "please let me live a little longer."
"I'm sorry, Pier. I can't do that. A promise is a promise."
Pier had no choice. He let the devil put him in the sack. Together they traveled to hell.
On their way, they heard music from an inn. The devil wanted to go into the inn to find more souls.
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Pier answer, "Of course, I do. Who are you?"
" I'm devil. I'll make you rich for thirty years. In return you give me your soul."
pier was shocked, but he thought for a moment. Then he decided, "Well, as long as I'm rich, I'll do anything. Even if I have to sell my soul to the devil."
" It's a deal!"
the next day, everything changed. Pier became a rich man. He lived happily for thirty years.
Time passed quickly. The devil came back. he said to Pier, "I've made you rich. Now, give me your soul."
"Mr. Devil," Pier begged, "please let me live a little longer."
"I'm sorry, Pier. I can't do that. A promise is a promise."
Pier had no choice. He let the devil put him in the sack. Together they traveled to hell.
On their way, they heard music from an inn. The devil wanted to go into the inn to find more souls.
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FIBER OPTICS - UMBILICAL
Physical Basis for Optical Fiber Transmission • Fiber Construction: Step Index and Graded Index Types • Numerical Aperture: Light Collection Ability • Modal Structure • Fiber Losses and Signal Attenuation
Fiber Optic Strain Sensors • Intensity Modulated Sensors • Interferometric Fiber Optic Sensors • Fiber Optic Rotation Sensors
Fundamental of fiber optics acoustic sensor • Polarization • Multiplexing • Hydrophone Design • Applications • Non-Acoustic Sensing
telemetry in ocean cable system. The Starting Point—The Deep-Sea Armored Coax • The Nature of Fiber Optic Communications • The Use of Optical Fibers in Ocean Cables • Handling Systems for E-O Cables
Autonomous Underwater Vehicles
An Autonomous Underwater Vehicle (AUV) is a robotic device that is driven through the water by a propulsion system, controlled and piloted by an onboard computer, and maneuverable in three dimensions. This level of control, under most environmental conditions, permits the vehicle to follow precise preprogrammed trajectories wherever and whenever required. Sensors on board the AUV sample the ocean as the AUV moves through it, providing the ability to make both spatial and time series measurements. Sensor data collected by an AUV is automatically geospatially and temporally referenced and normally of superior quality. Multiple vehicle surveys increase productivity, can insure adequate temporal and spatial sampling, and provide a means of investigating the coherence of the ocean in time and space.
The fact that an AUV is normally moving does not prevent it from also serving as a Lagrangian, or quasi Eulerian, platform. This mode of operation may be achieved by programming the vehicle to stop thrusting and float passively at a specific depth or density layer in the sea, or to actively loiter near a desired location. AUV’s may also be programmed to swim at a constant pressure or altitude or to vary their depth and/or heading as they move through the water, so that undulating sea saw survey patterns covering both vertical and/or horizontal swaths may be formed. AUV’s are also well suited to perform long linear transects, sea sawing through the water as they go, or traveling at a constant pressure. They also provide a highly productive means of performing seafloor surveys using acoustic or optical imaging systems.
When compared to other Lagrangian platforms, AUV’s become the tools of choice as the need for control and sensor power increases. The AUV’s advantage in this area is achieved at the expense of endurance, which for an AUV is typically on the order of 8- 50 hours. Most vehicles can vary their velocity between 0.5 and 2.5 m/s. The optimum speed and the corresponding greatest range of the vehicle occur when its hotel load (all required power except propulsion) is twice the propulsive load. For most vehicles, this occurs at a velocity near 1.5 m/s.
The degree of autonomy of the robot presents an interesting dichotomy. Total autonomy does not provide the user with any feedback on the vehicle’s progress or health, nor does it provide a means of controlling or redirecting the vehicle during a mission. It does, however, free the user to perform other tasks, thereby greatly reducing operational costs, as long as the vehicle and the operator meet at their duly appointed times at the end of the mission. For some missions, total autonomy may be the only choice; in other cases when the vehicle is performing a routine mission, it may be the preferable mode of operation.
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