Method for measuring wave velocity and wavelength of ocean waves

A wavelength measurement and ocean wave technology, which is applied in the field of ocean wave parameter measurement instruments, ocean wave velocity and wavelength measurement devices, can solve the problems of difficulty in popularization, complex structure, and high cost, and achieve the effects of convenient and practical service life, easy operation, and low cost

Inactive Publication Date: 2016-09-07
YANCHENG TEACHERS UNIV
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Problems solved by technology

[0002] In marine engineering, marine construction and marine scientific research, it is often necessary to measure marine parameters, such as seawater temperature, ocean depth, wave height, wave wavelength, and wave velocity. At present, there are many measurement methods and devices in this regard, such as float method, GPS positioning method, satellite photography method, laser detection method and X-band radar method, etc., each have their own advantages and disadvantages, and the performance of each instrument has its own advantages and disadvantages. Most of the methods and devices in the above methods are complex in structure, expensive in cost, and difficult to popularize

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  • Method for measuring wave velocity and wavelength of ocean waves

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Embodiment Construction

[0016] 1. According to figure 1 , two seawater level measuring rods are set on the continental shelf close to the coastline, which are respectively seawater position measuring rod 1 and seawater position measuring rod 2, and the distance between seawater position measuring rod 1 and seawater position measuring rod 2 is L;

[0017] 2. The steps of the wave velocity and wavelength measurement method are:

[0018] (1) Measure and record the time difference t when a sea wave arrives at the seawater position measuring pole 2 and the seawater position measuring pole 1 in sequence 1 ;

[0019] (2) According to the formula "speed=distance / time", find the wave speed V=L / t 1 ;

[0020] (3) Measure and record the time difference t between the previous wave 3 and the next wave 4 reaching the seawater position measuring rod 1 respectively 2 ;

[0021] (4) Calculate the wave wavelength λ=V×t according to the formula “distance=speed×time” 2 .

[0022] 3. Embodiment: if the distance L ...

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Abstract

The invention provides a method for measuring the wave velocity and wavelength of ocean waves. The method comprises the following steps: arranging two rods (L1 and L2) for measuring the sea water level on continental shelf, wherein the distance between L1 and L2 is L; measuring and recording the difference (t1) of time when an ocean wave reaches L2 and L1 in sequence; according to a formula: speed=distance/time (V=L/t1), calculating the wave velocity; then measuring and recording the difference (t2) of time when two neighbored waves reach L1, and according to a formula: distance=speed*time, calculating the wavelength: lambda=V*t2,. The method can measure the height of ocean waves, is capable of measuring the velocity, wavelength, and seawater level, and has the advantages of simple structure, low cost, easy operation, rapid response, stable property, convenience, practicality, and long service life, and thus is easy to popularize.

Description

technical field [0001] The invention relates to an ocean wave parameter measuring instrument, in particular to an ocean wave velocity and wavelength measuring device, which belongs to the technical field of ocean dynamic parameter measurement. Background technique [0002] In marine engineering, marine construction and marine scientific research, it is often necessary to measure marine parameters, such as seawater temperature, ocean depth, wave height, wave wavelength, and wave velocity. At present, there are many measurement methods and devices in this regard, such as float method, GPS positioning method, satellite photography method, laser detection method and X-band radar method, etc., each have their own advantages and disadvantages in conception, and the performance of instruments has its own advantages and disadvantages. Most of the methods and devices in the above methods are complex in structure, expensive in cost, and difficult to popularize. Contents of the invent...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C13/00
CPCG01C13/006
Inventor 冯越
Owner YANCHENG TEACHERS UNIV
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