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Underground water ice detection method

A detection method and groundwater technology, applied in the direction of measuring device, radio wave measurement system, radio wave reflection/reradiation, etc., can solve the problem of inability to distinguish different chemical forms of hydrogen, inability to determine the thickness of water ice layer, and inability to obtain the existence of groundwater ice issues such as the exact evidence, to achieve the effect of high accuracy

Active Publication Date: 2014-02-26
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] However, in the process of realizing the present invention, the applicant found that the neutron spectrum obtained by the neutron measurement technique cannot distinguish the different chemical forms of hydrogen, so using this method cannot obtain definite evidence of the existence of ground water ice, and cannot determine the existence of water ice. ice thickness

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the...

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Abstract

The invention provides a Mars underground water ice detection method. A transmit-receive multiplex antenna and a receiving antenna are installed in a mutual vertical mode. The transmit-receive multiplex antenna emits linear polarized waves to the surface of Mars, and if the transmit-receive multiplex antenna and the receiving antenna receive echoes simultaneously, i.e., the received echoes are elliptically polarized waves, it can be determined that there is water ice underground on the Mars. Compared to a neutron measuring technology in the prior art, the result obtained by use of such a method is more accurate.

Description

technical field [0001] The invention relates to the technical field of radar detection in the electronics industry, in particular to an underground water ice detection method utilizing the principle that differences in echo polarization patterns occur when radar waves propagate in ice layers due to the anisotropy of ice crystals. Background technique [0002] Ice that solidifies from water or meltwater at low temperatures is called water ice. On Earth, the most common form of water ice is summer falls turning into winter ice falls, which are seasonal ice walls. There is also a large amount of water ice on extraterrestrial celestial bodies such as the moon and Mars. According to observations, a large number of "water pockets" with water ice have been found at the north pole of the moon, which provides another optional research area for the possible lunar exploration activities of the unmanned astronaut probe. The discovery of water ice on a cosmic body is an exciting discov...

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Application Information

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IPC IPC(8): G01S13/04G01B15/02
Inventor 方广有刘小军赵博纪奕才张锋稂时楠
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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