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电子工程硕士毕业论文:Acceleration Transducer

论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2016-05-08编辑:anne点击率:3028

论文字数:12712论文编号:org201605041045158914语种:英语论文 English地区:英国价格:$ 132

关键词:加速度传感器acceleration transducer电子工程硕士

摘要:加速度传感器看到在参考加速度传感器装置的参考帧中,在静止时所经历的加速度与重量现象有关。

1、The definition of acceleration transducer加速度传感器的定义


加速度传感器是一种测量适当加速度的装置。由加速度传感器测量的适当加速度不一定是坐标加速度。例如,一个加速度传感器静止在地球表面测量加速度g = 9.81 m/s2笔直向上,由于它的重量。相比之下,加速度传感器在自由下落或在外太空中的休息将测量为零。对于加速度,加速度传感器可以测量重力加速度式的另一个术语是[ 1 ]。
参考文献的一种观察框架,通常指的是一个参考的物理框架,一个参照系,或只是一个框架,是一个物理概念,涉及到一个观察者和观察者的运动状态。在这里,我们采用库马尔和勇敢的观点:一个参照系的特点是其状态的运动。然而,在这一点上缺乏一致性。在狭义相对论中,这种区别有时是在一个观察者和一个框架之间进行的。根据这种观点,一个框架是一个观察者加一个坐标格构建一个正交右手套空间垂直的时间矢量矢量图。看到他。这种限制的观点在这里不使用,甚至在相对论的讨论中也不被采纳。在广义相对论中,一般的坐标系的使用是很常见的。
The acceleration transducer sees the acceleration associated with the phenomenon of weight experienced by any test mass at rest in the frame of reference of the acceleration transducer device. An acceleration transducer is a device that measures proper acceleration. The proper acceleration measured by an acceleration transducer is not necessarily the coordinate acceleration. For example, an acceleration transducer at rest on the surface of the earth will measure an acceleration g= 9.81 m/s2 straight upwards, due to its weight. By contrast, acceleration transducers in free fall or at rest in outer space will measure zero. Another term for the type of acceleration that acceleration transducers can measure is g-force acceleration [1].
An observational frame of reference, often referred to as a physical frame of reference, a frame of reference, or simply a frame, is a physical concept related to an observer and the observer's state of motion. Here we adopt the view expressed by Kumar and Brave: an observational frame of reference is characterized only by its state of motion. However, there is lack of unanimity on this point. In special relativity, the distinction is sometimes made between an observer and a frame. According to this view, a frame is an observer plus a coordinate lattice constructed to be an orthonormal right-handed set of space like vectors perpendicular to a time like vector. See Doran. This restricted view is not used here, and is not universally adopted even in discussions of relativity. In general relativity the use of general coordinate systems is common.
In physics, a frame of reference (or reference frame) may refer to a coordinate system used to represent and measure properties of objects, such as their position and orientation, at different moments of time. It may also refer to a set of axes used for such representation [2]. In a weaker sense, a reference frame does not specify coordinates, but only defines the same 3-dimensional space for all moments of time such that the frame can distinguish objects at rest from those that are moving. The need to distinguish between the various meanings of 'frame of reference' has led to a variety of terms. For example, sometimes the type of coordinate system is attached as a modifier, as in Cartesian frame of reference. Sometimes the state of motion is emphasized, as in rotating frame of reference. Sometimes the way it transforms to frames considered as related is emphasized as in Galilean frame of reference. Sometimes frames are distinguished by the scale of their observations, as in macroscopic and microscopic frames of reference.
There are two types of observational reference frame: inertial and non-inertial. An inertial frame of reference is defined as one in which all laws of physics take on their simplest form. In special relativity these frames are related by Lorentz transformations, which are parameterized by rapidit论文英语论文网提供整理,提供论文代写英语论文代写代写论文代写英语论文代写留学生论文代写英文论文留学生论文代写相关核心关键词搜索。

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