Radio wave length measuring method
A technology of wavelength measurement and radio wave, which is applied in the field of radio wave measurement, can solve problems such as the difficulty in drawing equal optical path difference curves, the short wavelength of visible light, and difficult control, so as to avoid errors, reduce errors, and improve measurement accuracy.
Active Publication Date: 2021-12-17
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
[0002]In experimental teaching, the usual Young's double-slit interference experiment is a visible light experiment, and there is no experiment using radio waves as a light source
Moreover, the errors caused by factors such as the slit width of the single slit and double slit, the distance between the double slit, the distance between the single slit light source and the double slit, and the fringe spacing are relatively large, which is difficult to control
In addition, due to the short wavelength of visible light, it is difficult to draw the iso-path difference curve in experimental teaching
Method used
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[0051] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.
[0052] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.
[0053] figure 1 It is a flow chart of a radio wave wavelength measuring method provided by an embodiment of the present disclosure. The radio wave wavelength measuring method is suitable for measuring the radio wave wavelength and can be applied to experimental teaching. Such as figure 1 Show...
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The invention relates to a radio wave wavelength measuring method. The method comprises the following steps: providing a first half-wave oscillator antenna, a second half-wave oscillator antenna, a third half-wave oscillator antenna, a length measuring unit and a signal processor; erecting the first half-wave oscillator antenna and the second half-wave oscillator antenna side by side; determining the initial measuring position of the third half-wave oscillator antenna; translating the third half-wave oscillator antenna from the initial measuring position along a preset direction, recording the direct-current voltage signal displayed by the signal processor in real time, and marking the position of the third half-wave oscillator antenna corresponding to the direct-current voltage signal; determining a target voltage value in the direct-current voltage signal and the target position of the corresponding third half-wave oscillator antenna; respectively measuring a first distance from the target position to the first half-wave oscillator antenna and a second distance from the target position to the second half-wave oscillator antenna; and determining the wavelength of the radio wave according to the difference between the first distance and the second distance. According to the technical scheme, the radio wave length can be accurately measured.
Description
technical field [0001] The present disclosure relates to the field of radio wave measurement, in particular to a radio wave wavelength measurement method. Background technique [0002] In experimental teaching, the usual Young's double-slit interference experiment is a visible light experiment, and there is no experiment using radio waves as a light source. Moreover, the errors caused by factors such as the slit width of the single slit and the double slit, the distance between the double slit, the distance between the single slit light source and the double slit, and the fringe spacing are relatively large and difficult to control. In addition, due to the short wavelength of visible light, it is difficult to draw the iso-path difference curve in experimental teaching. Contents of the invention [0003] In order to solve the above technical problem or at least partly solve the above technical problem, the present disclosure provides a radio wave wavelength measurement met...
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IPC IPC(8): G01R29/00
CPCG01R29/00
Inventor 赵贤觉冯锋赵诗华曹丰才周小军张思凡秦莹康艺凡姚泽运
Owner CHINA UNIV OF MINING & TECH (BEIJING)