Remote control impact data compression method and system for it

A shock data and shock wave technology, which is applied in the field of telemetry, can solve problems such as low reliability and poor real-time performance, and achieve the effects of improving measurement accuracy, improving effectiveness, and reducing misjudgment rates

Inactive Publication Date: 2004-07-07
谌德荣
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The invention overcomes the deficiencies of the prior art, does not have the problems of low reliability and poor real-time performance caused by product recycling, and can also obtain the impact environment information of the whole working process of the system under test

Method used

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  • Remote control impact data compression method and system for it
  • Remote control impact data compression method and system for it
  • Remote control impact data compression method and system for it

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Embodiment Construction

[0033] Figure 4 for figure 2 A preferred implementation of the telemetry shock data compression system shown. Figure 4 One of the shock signal processing devices can process 12 shock signals in real time, and the three shock signal processing devices can simultaneously complete the real-time processing and compression of the measurement data of 36 shock signals. Figure 4 Among them, the shock accelerometer adopts a piezoelectric acceleration sensor. A piezoelectric acceleration sensor can simultaneously sense the acceleration in the three directions of the X-axis, Y-axis, and Z-axis. When the measured object is accelerating, the shock acceleration installed at the measured point The charge generated on the piezoelectric element level plate in the sensor is proportional to the impact acceleration, so that the impact acceleration sensor outputs three charge signals, and the charge amount is related to the X-axis, Y-axis, and Z-axis respectively. The acceleration in the thr...

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Abstract

The chip applied in system is finished by very high speed IC hard ware description and is realized based on programmable gate array. The designed software of the chip comprises five parts of system control module, input module, acoustic pressure level spectrum analysing module, total acoustic pressure level calculating module and output module. The present invention not only can fulfil real time processing for noise signal but also can fulfil real time analysing at the same time for the acoustic pressure level spectrum and the total acoustic pressure level of one route noise signal, so it can be used in fabrication of semiconductor.

Description

technical field [0001] The invention belongs to the field of telemetry, and relates to a method for realizing telemetry shock data compression and a system for realizing the method. Background technique [0002] Since the impact environment may cause structural failure, short cracking or breaking of components, and instantaneous short circuit of electronic equipment, a telemetry system is required to monitor the impact environment in order to provide a basis for impact environment control, protection and product environmental resistance design. Telemetry systems generally use piezoelectric acceleration sensors to directly measure shock waves. The shock signals output by piezoelectric acceleration sensors are random signals. For missiles and launch vehicles, the frequency range of shock signal measurement is generally 20 Hz to 5,000 Hz, and the sampling frequency is generally greater than 20,000 Hz. Hertz, assuming that 10-bit encoding is used, the transmission of one channel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P15/00
Inventor 谌德荣
Owner 谌德荣
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