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Generation component and testing device for broadband high-frequency carrier waveform

A technology for waveform generation and waveform testing, which is used in measuring devices, testing of mechanical components, testing of machine/structural components, etc., to achieve high reliability, large adjustment range, and good repeatability.

Inactive Publication Date: 2019-02-19
CHINA AIRPLANT STRENGTH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing waveform generators are difficult to meet this requirement

Method used

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  • Generation component and testing device for broadband high-frequency carrier waveform
  • Generation component and testing device for broadband high-frequency carrier waveform
  • Generation component and testing device for broadband high-frequency carrier waveform

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Experimental program
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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the implementation of this application clearer, the technical solutions in the embodiments of the application will be described in more detail below in conjunction with the drawings in the embodiments of the application. In the drawings, the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the application, but should not be understood as a limitation to the application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application. The embodiments of the present applic...

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Abstract

The invention provides a generation component and a testing device for a broadband high-frequency carrier waveform. The generation component comprises an outer cylinder assembly, an inner cylinder, apiston rod, and a piston. One end of the outer cylinder assembly is opened and provided with an outer cylinder inner cavity, and an exhaust hole is formed in the opened end of the outer cylinder assembly. The inner cylinder is arranged in the outer cylinder inner cavity, and a first liquid cavity is formed between the inner cylinder and the outer cylinder assembly; each end of the inner cylinder is opened and provided with an inner cylinder inner cavity, wherein one end is sealed by the outer cylinder assembly and is called a sealed end, and the other end is called an opened end; and a plurality of damping hole groups are formed in the wall of the inner cylinder. The piston is arranged in the inner cavity of the inner cylinder and is in contact with the inner cavity without a gap, and a second liquid cavity is formed between the piston and the sealed end. According to the generation component for a broadband high-frequency carrier waveform, the damping holes are formed in the inner cylinder, so that the overwater area of the piston decreases as the stroke increases, and a customized waveform is generated.

Description

Technical field [0001] The application belongs to the technical field of structural impact test devices, and in particular relates to a broadband high carrier shape generating component and a broadband high carrier shape test device. Background technique [0002] In order to improve the survival rate of passengers in crashes of helicopters and general-purpose aircrafts, it is necessary to design the aircraft system against crashes. The more critical technologies include the fuselage energy absorption zone, emergency disconnection of dangerous components, and seat crash resistance. design. The national military standard stipulates that the seat of a helicopter or general aircraft in a crash state should meet certain structural strength requirements and be able to withstand an impact load of over 50g. [0003] The seat crash simulation impact test is a necessary means to verify the design of the seat crash resistance. According to the test results, the strength of the seat can be o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01M7/08
CPCG01M7/08G01M13/00
Inventor 刘冲冲刘洋刘胜利王亚锋
Owner CHINA AIRPLANT STRENGTH RES INST