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Method for detecting maturity of watermelons by using sound signals of smart phone

A smart phone, mature technology, applied in the processing of detection response signals, the use of sonic/ultrasonic/infrasonic waves to analyze solids, instruments, etc., can solve problems such as large errors, and achieve the effect of saving time, reasonable design and convenient operation

Inactive Publication Date: 2022-01-28
钱思行
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Problems solved by technology

However, this kind of analysis either requires special large-scale equipment, or relies entirely on the human ear and subjective experience to judge, and the error is very large.

Method used

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  • Method for detecting maturity of watermelons by using sound signals of smart phone
  • Method for detecting maturity of watermelons by using sound signals of smart phone
  • Method for detecting maturity of watermelons by using sound signals of smart phone

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Embodiment Construction

[0051] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention discloses a method for detecting the maturity of watermelons by using sound signals of a smart phone. The method comprises mobile phone APP software, a microphone and a motion sensor, wherein the microphone and the motion sensor are arranged in the mobile phone; the mobile phone APP software, the microphone and the motion sensor are cooperatively used to detect the watermelon maturity. The method is reasonable in design and convenient to operate, the maturity of watermelons can be rapidly, losslessly and accurately identified through the mobile phone APP software, the microphone and the motion sensor, time is saved for a user, and therefore the user is helped to purchase ripe watermelons.

Description

technical field [0001] The invention relates to the technical field of watermelon maturity detection, in particular to a method for detecting watermelon maturity by using an acoustic signal of a smart phone. Background technique [0002] Watermelon is a common fruit in summer. It is sweet and moist, and has the characteristics of cooling heat and quenching thirst, which is deeply loved by the masses. It also has the reputation of "the king of midsummer fruits". It is not only delicious, but also has high nutritional value. Watermelon does not contain fat and cholesterol, and is rich in nutrients such as high-quality glucose, protein amino acid, tomato element, malic acid, fructose and vitamin C. Regular consumption of watermelon in moderation has the effects of diuresis, edema removal, whitening and beauty, and blood pressure reduction. [0003] Watermelon has a relatively complete peel, and it is difficult to judge whether it is ripe or not from the appearance. Ripe water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/12G01N29/46
CPCG01N29/12G01N29/46G01N2291/024
Inventor 钱思行
Owner 钱思行
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