大学生考研英语演讲稿
Virtual instrumentation is an interdisciplinary field that merges sensing, hardware, and software technologies in order to create flexible and sophisticated instruments for control and monitoring applications. The concept of virtual instrumentation was born in late 1970s, when microprocessor technology enabled a machine's function to be more easily changed by changing its software.
虚拟仪器是一个跨学科的领域,融合传感、硬件和软件技术,以创建灵活和复杂的控制和监测仪器的应用。虚拟仪器的概念诞生于1970年代后期,当微处理器技术使机器的功能更容易改变通过改变它的`软件。
A virtual instrumentation system is a software that is used by the user to develop a computerized test and measurement system, for controlling an external measurement hardware device from a desktop computer, and for displaying test or measurement data on panels in the computer screen. The test and measurement data are collected by the external device interf-aced with the desktop computer. Virtual instrumentation also extends to computerized systems for controlling processes based on the data collected and processed by a PC based instrumentation system.
虚拟仪器系统是一个软件,用户使用开发计算机测试和测量系统,控制外部测量从台式电脑硬件设备,和用于显示测试或测量数据面板在电脑屏幕上。测试和测量数据收集的外部设备界面的桌面计算机。虚拟仪器也延伸到计算机系统控制流程基于数据收集和处理的基于PC的仪器系统。
An instrument is a device designed to collect data from an environment, or from a unit under test, and to display information to a user based on the collected data. Such an instrument may employ a transducer to sense changes in a physical parameter, such as temperature or pressure, and to convert the sensed information into electrical signals, such as voltage or frequency. The term instrument may also be defined as a physical software device that performs an analysis on data acquired from another instrument and then outputs the processed data to display or recording devices. This second category of recording instruments may include oscilloscopes, spectrum analyzers. The types of source data collected and analyzed by instruments may vary widely, including both physical parameters such as temperature, pressure, distance, frequency and amplitudes of light and sound, and also electrical parameters including voltage, current, and frequency.
乐器是一个设备,旨在收集数据从一个环境中,或从一个单元测试下,向用户显示信息基于所收集的数据。这种仪器可以使用传感器感知物理参数的变化,如温度或压力,将感知到的信息转换成电信号,如电压或频率杂文集穿上。术语工具也可以被定义为一个物理软件设备,执行一个分析数据从另一个仪器,然后输出处理获得的数据显示或记录设备。这第二个类别的记录工具可能包括示波器、频谱分析仪和数字毫米。类型的源数据收集和分析的仪器可能相差很大,包括物理参数,如温度、压力、距离、光线和声音的频率和振幅,以及电气参数包括电压、电流、频率。
Choice and Process
Good morning , ladies and gentlemen:
My topic is about choice and process today. A research shows that a man has to make 73 choices one so many choices one day,
people easily get so confused and afraid of ma-ki-ng wrong choice that they hesitate and finally miss the true part of life. In my opinion, the following part is of much more importance than the choice. There is no absolute right or wrong choice but wonderful or boring life, which the process makes the difference.
Life is a box of chocolate never know what you will get.
Forrest Gump made no decision by and for himself ,but he accomplished great success with his strong will in the process. The process is not the road itself but the attitudes and feelings ,the caution, courage and persistance we have as we encounter new experience and unexpected obstacles. Take myself as an example, I changed my major when I
became a postgraduate. After the choice, days have been harsh for me . I cannot understand the new lessons at all. For they are closely related to mathmatics which I learned nothing about before. However the belief that this is the great chance for me to experience new ideas and challenge myself, I persisted. I asked for help from every channel and reorganized my ually I could understand some parts and even found that
maths interesting, I learned to act instead of complaining. In retrospect, the choice left no trace in my mind but the happiness and bitterness of the past four months becomes an unforgetable experience in my life.
No matter what the choice is, enjoy the process. In the process, your potential will be inspired and new discoveries ,improvement and progress will come to you. These are the most beautiful sceneries and only on the way can you see it. These make your life colorful.
There is no need and I don’t want to judge whether it right or wrong for me to be here. But I congratulate to myself for I gain and enjoy this fantastic experience. So my dear friends ,never worry about your choice and enjoy the process .I am sure you will get something new and interesting after you chose to come here. Thank you!
