0870290121

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0870290121 is a free-field piezo-film controller system used widely in acoustic, vibration, and ultrasound research. The system integrates a laser Doppler Vibrometer (LDV) with a multifunctional piezo-film actuator. This system provides an efficient, flexible, and cost-effective solution for users to conduct research in the field of acoustics, vibration, and ultrasound.

The 0870290121 system combines the LDV and piezo-film actuator to provide users with the capability to control and measure vibrations at multiple frequencies and to make changes automatically. The system also allows for remote control of the frequency of the actuator, enabling users to adjust the frequency and amplitude of the vibrations produced, as well as the direction of the vibrations.

The LDV in the 0870290121 system is a laser-based device that measures vibrations at high frequency and resolution. The LDV\'s measurement method is based on the concept of Doppler modulation of light waves. This method is based on the fact that when light waves pass through a vibrating structure, their frequency is shifted. By measuring this frequency shift, the LDV can determine the speed, acceleration, and displacement of the vibrating body.

The piezo-film actuator in the 0870290121 system is a specially designed membrane structure that produces vibrations when a voltage is applied to it. The actuator is constructed from piezoelectric materials and has two membranes: a fixed membrane and a vibrating membrane. The fixed membrane is rigidly attached to the system\'s base and the vibrating membrane is connected to the base via a suspension system. When a voltage is applied to the membranes, the vibrating membrane is displaced due to the piezoelectric effect and produces vibrations.

The 0870290121 system has a wide range of applications in the fields of acoustic, vibration, and ultrasound research. One application is in the medical field, where the system can be used to evaluate the effects of different vibration frequencies on body tissue. The system can also be used in industrial processes to test the vibration characteristics of machinery and materials, as well as to diagnose problems in structures such as bridges and buildings. In the automotive industry, the system can be used to monitor the suspension systems of vehicles and to test the performance of engine components. The system can also be used in aerospace applications to determine the vibrations produced by aircraft.

The working principle of the 0870290121 system is based on the combination of the LDV and the piezo-film actuator. The LDV provides the system with the capability to measure the vibration of an object, while the piezo-film actuator produces vibrations that can be remotely controlled. The LDV is able to detect the speed, acceleration, and displacement of vibrations, allowing the user to accurately control the vibration frequency. The actuator is able to produce a wide range of frequencies as well as different amplitudes and directions. These features make the 0870290121 system an effective tool for researching and diagnosing a wide variety of acoustic, vibration, and ultrasound problems.

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