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List of the contents of this article:

• 1,Binance Download for PC Briefly explain what the coordinate system used for GPS measurement is? Drawing description
• 2, What parts does the measurement system consist of? What categories are it divided into?
• 3. Measurement system means

Briefly explain what the coordinate system used for GPS measurement is? Drawing instructions

The total station instrument can be freely erected at any point on the ground. As long as the corners of two or more known points can be measured, the coordinates of the station can be obtained. This method is often used in large-scale digital maps and construction sampling.

The WGS-84 coordinate system is the coordinate system adopted by GPS, and the star calendar parameters released by GPS are based on this coordinate system. The whole of the WGS-84 coordinate systemCalled World Geodical System-84, it is a geodically fixed coordinate system. The WGS-84 coordinate system was established by the U.S. Department of Defense Drawing Bureau.

WGS84 coordinate system: that is, the World Geodetic System, an internationally common coordinate system. The longitude and latitude obtained by the GPS chip or Beidou chip included in the device is generally the WGS84 geographical coordinate system. At present, Google Maps adopts the WGS84 coordinate system (except for China).

The coordinate system of gps is the wgs-84 coordinate system. Definition The origin is the center of mass of the earth, and the Z axis of the spatial right-angled coordinate system is defined by BIH (1980)The Earth Pole (CTP) direction, that is, the origin of the international agreement CIO, is jointly recommended by IAU and IUGG.

Coordinate system commonly used in GPS measurement 1 WGS-84 coordinate system The coordinate system adopted by GPS is the WGS-84 geocentric coordinate system. It is a geocentric coordinate system with the center of mass (the center of mass) of the earth as the origin. The X and Y axes are in the equatorial plane of the earth. The Z axis coincides with the rotation axis of the earth.

What parts does the measurement system consist of? What categories are it divided into?

1. It is mainly composed of four links: controller, controlled object, actuator and transmitter. Controller: The main circuit or control can be changed according to the predetermined order.The wiring of the circuit and the change of the resistance value in the circuit to control the start-up, speed regulation, braking and reverse master command devices of the motor.

2. Composition 1) Measuring instrument: any device used to obtain measurement results.

3. The basic components of general computer measurement systems include sensors, signal conditioners, computers and application software. Since the computer can only process digital signals, the A/D conversion device has become an indispensable link in the computer test system.

4. A complete detection system or detection device is composed of several parts such as sensor, measurement circuit and display recording device. Complete the functions of information acquisition, conversion, display and processing respectively. Of course, it also includes indispensable parts such as power supply and transmission channel.