A microwave system performance detection method based on microwave link

Abstract

The invention discloses a microwave system performance detection method based on a microwave link, which belongs to the field of microwave communication technology, and comprises the following steps: obtaining status data of a connector in a microwave system; generating a connector performance evaluation value according to the status data of the connector; obtaining environmental data in the microwave link; generating an environmental factor according to the environmental data; obtaining a gain factor of the microwave system, establishing an impact assessment model, and generating a microwave system performance risk value; judging whether the microwave system performance is in a normal state according to the microwave system performance risk value; and issuing a warning on the status of the microwave system performance if the microwave system performance is not in a normal state. The invention generates a microwave system performance risk value based on the connector performance in the microwave link, the environment of the microwave link, and the antenna gain, and judges whether the microwave system performance is in a normal state, so as to comprehensively analyze the microwave system performance, thereby improving the accuracy of microwave system performance detection.

Description

Technical Field

[0001] The invention belongs to the technical field of microwave communications, and in particular relates to a microwave system performance detection method based on a microwave link. Background Art

[0002] With the continuous development of modern communication technology, microwave communication has been widely used in many industries, especially in wireless communication, satellite communication, radar system, etc. Microwave link is the core component of microwave system, and the performance of microwave system directly determines the communication quality and stability.

[0003] During operation, microwave systems are affected by environmental factors, equipment aging, component failures and other factors, which may cause signal attenuation, interference, noise and other problems, affecting the transmission quality of the system.

[0004] Existing microwave system performance detection methods usually require manual operation, which is time-consuming and easily affected by human factors. Problems in the microwave system cannot be discovered in a timely manner, resulting in a reduction in the accuracy of microwave system performance detection. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a microwave system performance detection method based on a microwave link, which solves the above-mentioned problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A microwave system performance detection method based on a microwave link, comprising the following steps:

[0007] Obtaining the status data of the connector in the microwave system; wherein the status data of the connector includes appearance characteristic value, resistance value, standing wave ratio and plugging and unplugging force; the standing wave ratio refers to the relative ratio between the reflection and propagation of electromagnetic waves on the transmission line, specifically the ratio of the antinode voltage to the trough voltage amplitude on the transmission line; the appearance characteristic value refers to the average value of the surface corrosion degree and deformation degree of the connector;

[0008] Generate a connector performance evaluation value based on the status data of the connector in the microwave system;

[0009] Obtaining environmental data in the microwave link; wherein the environmental data includes electromagnetic intensity and water vapor content;

[0010] Generate environmental factors according to environmental data in the microwave link;

[0011] Obtain the gain factor of the microwave system, establish an impact assessment model, substitute the gain factor of the microwave system, the connector performance evaluation value and the environmental factor into the impact assessment model, and generate the microwave system performance risk value;

[0012] According to the microwave system performance risk value, determine whether the microwave system performance is in a normal state;

[0013] If the microwave system performance is not in a normal state, a warning is given about the state of the microwave system performance.

[0014] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0015] Further technical solution: The connector performance evaluation value is generated according to the status data of the connector in the microwave system, specifically comprising the following steps:

[0016] Generate an appearance feature evaluation value according to the appearance feature value of the connector;

[0017] Generate a resistance evaluation value according to the resistance value of the connector;

[0018] Generate a standing wave ratio evaluation value according to the standing wave ratio of the connector;

[0019] Generate a plugging and unplugging force evaluation value according to the plugging and unplugging force of the connector;

[0020] The appearance feature evaluation value, resistance evaluation value, standing wave ratio evaluation value and plugging and unplugging force evaluation value are weighted to generate a connector performance evaluation value.

[0021] Further technical solution: The method for generating the connector performance evaluation value specifically includes:

[0022] Performing difference processing on the appearance feature value and the appearance feature threshold to generate a feature difference;

[0023] The feature difference is compared with the feature threshold to generate an appearance feature evaluation value;

[0024] The resistance value is subtracted from the middle value of the standard resistance range to generate the resistance difference; the standard resistance range refers to the normal resistance range of the connector during operation;

[0025] The resistance difference is compared with the middle value of the standard resistance range to generate a resistance evaluation value;

[0026] Perform difference processing on the standing wave ratio and the standard standing wave ratio to generate a standing wave ratio difference;

[0027] The standing wave ratio difference is processed by ratio processing with the standard standing wave ratio to generate a standing wave ratio evaluation value;

[0028] The plugging and unplugging force of the connector is processed differentially with the plugging and unplugging force of the standard connector to generate a force difference;

[0029] The force difference is processed by ratio with the plugging and unplugging force of the standard connector to generate a plugging and unplugging force evaluation value;

[0030] By formula , generate the connector performance evaluation value K;

[0031] In the formula, Tz represents the appearance characteristic evaluation value, Rz represents the resistance evaluation value, Fz represents the plugging and unplugging force evaluation value, Vz represents the standing wave ratio evaluation value, and a1, a2, a3, and a4 are all weight ratios.

[0032] Further technical solution: The environmental factors are generated according to the environmental data in the microwave link, specifically including the following steps:

[0033] generating an electromagnetic intensity evaluation value according to the electromagnetic intensity;

[0034] According to the water vapor content, a water vapor content evaluation value is generated;

[0035] The electromagnetic intensity evaluation value and the water vapor content evaluation value are weighted to generate the environmental factor.

[0036] Further technical solution: The generation method of the environmental factors specifically includes:

[0037] The electromagnetic intensity is processed by difference with the electromagnetic intensity threshold of the microwave system operating environment to generate the electromagnetic intensity difference; the electromagnetic intensity threshold of the microwave system operating environment refers to the maximum electromagnetic intensity that the microwave system can withstand without affecting the operating state during operation;

[0038] The electromagnetic intensity difference is processed by ratio with the electromagnetic intensity threshold of the microwave system operating environment to generate an electromagnetic intensity evaluation value;

[0039] Perform difference processing between the water vapor content and the standard water vapor content to generate a water vapor content difference;

[0040] The water vapor content difference is processed by ratio with the standard water vapor content to generate a water vapor content evaluation value;

[0041] By formula , generating environmental factors He;

[0042] In the formula, St represents the water vapor content evaluation value, Eh represents the electromagnetic intensity evaluation value, and α and β are weight coefficients.

[0043] A further technical solution: the gain factor of the microwave system is obtained, an impact assessment model is established, the gain factor of the microwave system, the connector performance evaluation value and the environmental factor are substituted into the impact assessment model, and a microwave system performance risk value is generated, specifically comprising the following steps:

[0044] Obtain the gain value of the antenna in the microwave system and the surrounding obstacle data to generate a gain factor; the surrounding obstacle data includes the height of the surrounding obstacles and the number of surrounding obstacles; obstacles refer to the buildings and terrain around the antenna;

[0045] An impact assessment model is established, and the gain factor, connector performance evaluation value and environmental factor of the microwave system are substituted into the impact assessment model to generate the microwave system performance risk value Pe.

[0046] Further technical solution: The expression of the impact assessment model is:

[0047] ;

[0048] In the expression, Ln represents the gain factor, Tz represents the connector performance evaluation value, and K represents the environmental factor.

[0049] Further technical solution: The method for generating the gain factor specifically includes:

[0050] Obtain the antenna gain value, surrounding obstacle height and number of surrounding obstacles in the microwave system;

[0051] A gain analysis model is established, and the gain value of the antenna in the microwave system, the height of the surrounding obstacles, and the number of surrounding obstacles are substituted into the gain analysis model to generate the gain factor Ln.

[0052] Further technical solution: The expression of the gain analysis model is:

[0053] ;

[0054] In the expression, H represents the height of the surrounding obstacles, H 0 It represents the height threshold of the surrounding obstacles, M represents the number of surrounding obstacles, and M 0 It represents the threshold value of the number of surrounding obstacles, Q represents the gain value of the antenna in the microwave system, and γ and λ are both proportional coefficients;

[0055] Surrounding obstacle number threshold M 0 It refers to the maximum number of obstacles around the antenna that do not affect microwave transmission; the surrounding obstacle height threshold H 0 It refers to the maximum obstacle height around the antenna that does not affect microwave transmission.

[0056] Further technical solution: judging whether the microwave system performance is in a normal state according to the microwave system performance risk value specifically includes:

[0057] comparing the microwave system performance risk value with a microwave system performance risk threshold;

[0058] If the microwave system performance risk value is less than or equal to the microwave system performance risk threshold, it means that the smaller the microwave system performance risk value is, the smaller the loss of microwave system performance is, and the microwave system performance is in a normal state;

[0059] If the microwave system performance risk value is greater than the microwave system performance risk threshold, it means that the greater the microwave system performance risk value, the greater the loss of microwave system performance, and the microwave system performance is not in a normal state.

[0060] The present invention provides a microwave system performance detection method based on a microwave link, which has the following beneficial effects compared with the prior art:

[0061] The present invention generates a connector performance evaluation value by analyzing the connector performance in a microwave link, and generates a microwave system performance risk value according to the environment of the microwave link and the antenna gain. According to the microwave system performance risk value, it can be judged whether the performance of the microwave system is in a normal state, and the microwave system performance can be comprehensively analyzed, thereby improving the accuracy of microwave system performance detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 A flowchart of a microwave system performance detection method based on a microwave link provided by the present invention.

[0063] Figure 2 This is a flowchart of step S20 provided in an embodiment of the present invention.

[0064] Figure 3 This is a flowchart of step S40 provided in an embodiment of the present invention.

[0065] Figure 4 This is a flowchart of step S50 provided in an embodiment of the present invention.

[0066] Figure 5 This is a flowchart of step S60 provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0067] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0068] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0069] See also Figure 1 , a microwave system performance detection method based on a microwave link is provided in an embodiment of the present invention, comprising the following steps:

[0070] Step S10: Acquire the status data of the connector in the microwave system; wherein the status data of the connector includes appearance characteristic value, resistance value, standing wave ratio and plugging and unplugging force; the standing wave ratio refers to the relative ratio between the reflection and propagation of electromagnetic waves on the transmission line, specifically the ratio of the antinode voltage to the trough voltage amplitude on the transmission line; the appearance characteristic value refers to the average value of the surface corrosion degree and deformation degree of the connector;

[0071] Step S20: generating a connector performance evaluation value according to the status data of the connector in the microwave system;

[0072] Step S30: Acquire environmental data in the microwave link; wherein the environmental data includes electromagnetic intensity and water vapor content;

[0073] Step S40: Generate environmental factors according to environmental data in the microwave link;

[0074] Step S50: obtaining a gain factor of the microwave system, establishing an impact assessment model, substituting the gain factor of the microwave system, the connector performance evaluation value and the environmental factor into the impact assessment model, and generating a microwave system performance risk value;

[0075] Step S60: judging whether the microwave system performance is in a normal state according to the microwave system performance risk value;

[0076] Step S70: If the microwave system performance is not in a normal state, a warning is issued on the state of the microwave system performance.

[0077] See also Figure 2 As a preferred embodiment of the present invention, step S20 specifically includes the following steps:

[0078] Step S21: generating an appearance feature evaluation value according to the appearance feature value of the connector;

[0079] Step S22: generating a resistance evaluation value according to the resistance value of the connector;

[0080] Step S23: generating a standing wave ratio evaluation value according to the standing wave ratio of the connector;

[0081] Step S24: generating a plugging and unplugging force evaluation value according to the plugging and unplugging force of the connector;

[0082] Step S25: performing weighted processing on the appearance feature evaluation value, the resistance evaluation value, the standing wave ratio evaluation value and the plugging and unplugging force evaluation value to generate a connector performance evaluation value.

[0083] As a preferred embodiment of the present invention, the method for generating the connector performance evaluation value specifically includes:

[0084] Performing difference processing on the appearance feature value and the appearance feature threshold to generate a feature difference;

[0085] The feature difference is compared with the feature threshold to generate an appearance feature evaluation value;

[0086] For example, by formula , calculate and obtain the appearance feature evaluation value Tz;

[0087] In the formula, T 1 It represents the appearance feature value, T 0 It represents the appearance feature threshold;

[0088] Further, the resistance value is subjected to difference processing with the middle value of the standard resistance range to generate a resistance difference; the standard resistance range refers to the normal resistance range of the connector during operation;

[0089] The resistance difference is compared with the middle value of the standard resistance range to generate a resistance evaluation value;

[0090] Further, the standing wave ratio is subjected to difference processing with the standard standing wave ratio to generate a standing wave ratio difference;

[0091] The standing wave ratio difference is processed by ratio processing with the standard standing wave ratio to generate a standing wave ratio evaluation value;

[0092] It should be explained that the standing wave ratio can be obtained by a standing wave ratio tester;

[0093] Further, the plugging and unplugging force of the connector is processed with the plugging and unplugging force of the standard connector to generate a force difference;

[0094] The force difference is processed by ratio with the plugging and unplugging force of the standard connector to generate a plugging and unplugging force evaluation value;

[0095] Further, the appearance feature evaluation value, the resistance evaluation value, the standing wave ratio evaluation value and the plugging and unplugging force evaluation value are weighted to generate a connector performance evaluation value;

[0096] For example, by formula , generate the connector performance evaluation value K;

[0097] In the formula, Tz represents the appearance characteristic evaluation value, Rz represents the resistance evaluation value, Fz represents the plugging and unplugging force evaluation value, Vz represents the standing wave ratio evaluation value, and a1, a2, a3, and a4 are all weight ratios.

[0098] See also Figure 3 As a preferred embodiment of the present invention, step S40 specifically includes the following steps:

[0099] Step S41: generating an electromagnetic intensity evaluation value according to the electromagnetic intensity;

[0100] Step S42: generating a water vapor content evaluation value according to the water vapor content;

[0101] Step S43: weighting the electromagnetic intensity evaluation value and the water vapor content evaluation value to generate an environmental factor.

[0102] As a preferred embodiment of the present invention, the generation method of the environmental factors specifically includes:

[0103] The electromagnetic intensity is processed by difference with the electromagnetic intensity threshold of the microwave system operating environment to generate the electromagnetic intensity difference; the electromagnetic intensity threshold of the microwave system operating environment refers to the maximum electromagnetic intensity that the microwave system can withstand without affecting the operating state during operation;

[0104] The electromagnetic intensity difference is processed by ratio with the electromagnetic intensity threshold of the microwave system operating environment to generate an electromagnetic intensity evaluation value;

[0105] Further, the water vapor content is subjected to difference processing with the standard water vapor content to generate a water vapor content difference;

[0106] The water vapor content difference is processed by ratio with the standard water vapor content to generate a water vapor content evaluation value;

[0107] Furthermore, the electromagnetic intensity evaluation value and the water vapor content evaluation value are weighted to generate the environmental factor He;

[0108] For example, by formula , generating environmental factors He;

[0109] In the formula, St represents the water vapor content evaluation value, Eh represents the electromagnetic intensity evaluation value, and α and β are weight coefficients.

[0110] See also Figure 4 As a preferred embodiment of the present invention, step S50 specifically includes the following steps:

[0111] Step S51: obtaining the gain value of the antenna in the microwave system and the surrounding obstacle data to generate a gain factor; the surrounding obstacle data includes the height of the surrounding obstacles and the number of surrounding obstacles; the obstacles refer to the buildings and terrain around the antenna;

[0112] Step S52: establishing an impact assessment model, substituting the gain factor of the microwave system, the connector performance evaluation value and the environmental factor into the impact assessment model, and generating a microwave system performance risk value Pe;

[0113] Wherein, the expression of the impact assessment model is:

[0114] ;

[0115] In the expression, Ln represents the gain factor, Tz represents the connector performance evaluation value, and K represents the environmental factor.

[0116] As a preferred embodiment of the present invention, the method for generating the gain factor specifically includes:

[0117] Obtain the antenna gain value, surrounding obstacle height and number of surrounding obstacles in the microwave system;

[0118] Establish a gain analysis model, substitute the gain value of the antenna in the microwave system, the height of the surrounding obstacles and the number of surrounding obstacles into the gain analysis model to generate the gain factor Ln;

[0119] Among them, the expression of the gain analysis model is:

[0120] ;

[0121] In the expression, H represents the height of the surrounding obstacles, H 0 It represents the height threshold of the surrounding obstacles, M represents the number of surrounding obstacles, and M 0 It represents the threshold value of the number of surrounding obstacles, Q represents the gain value of the antenna in the microwave system, and γ and λ are both proportional coefficients;

[0122] It should be explained that the threshold value of the number of surrounding obstacles M 0 It refers to the maximum number of obstacles around the antenna that do not affect microwave transmission; the surrounding obstacle height threshold H 0 It refers to the maximum obstacle height around the antenna that does not affect microwave transmission.

[0123] See also Figure 5 As a preferred embodiment of the present invention, step S60 specifically includes:

[0124] comparing the microwave system performance risk value with a microwave system performance risk threshold;

[0125] If the microwave system performance risk value is less than or equal to the microwave system performance risk threshold, it means that the smaller the microwave system performance risk value is, the smaller the loss of microwave system performance is, and the microwave system performance is in a normal state;

[0126] If the microwave system performance risk value is greater than the microwave system performance risk threshold, it means that the greater the microwave system performance risk value, the greater the loss of microwave system performance, and the microwave system performance is not in a normal state;

[0127] It should be explained that the method for obtaining the microwave system performance risk threshold is consistent with the method for obtaining the microwave system performance risk value, and its value is set by relevant personnel in this field.

[0128] The present invention generates a connector performance evaluation value by analyzing the connector performance in a microwave link, and generates a microwave system performance risk value according to the environment of the microwave link and the antenna gain. According to the microwave system performance risk value, it can be judged whether the performance of the microwave system is in a normal state, and the microwave system performance can be comprehensively analyzed, thereby improving the accuracy of microwave system performance detection.

[0129] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A microwave system performance detection method based on a microwave link, characterized in that: The following steps are involved: Obtaining the status data of the connector in the microwave system; wherein the status data of the connector includes appearance characteristic value, resistance value, standing wave ratio and plugging and unplugging force; the standing wave ratio refers to the relative ratio between the reflection and propagation of electromagnetic waves on the transmission line, specifically the ratio of the antinode voltage to the trough voltage amplitude on the transmission line; the appearance characteristic value refers to the average value of the surface corrosion degree and deformation degree of the connector; Generate a connector performance evaluation value based on the status data of the connector in the microwave system; Obtaining environmental data in the microwave link; wherein the environmental data includes electromagnetic intensity and water vapor content; Generate environmental factors according to environmental data in the microwave link; Obtain the gain factor of the microwave system, establish an impact assessment model, substitute the gain factor of the microwave system, the connector performance evaluation value and the environmental factor into the impact assessment model, and generate the microwave system performance risk value; According to the microwave system performance risk value, determine whether the microwave system performance is in a normal state; If the microwave system performance is not in a normal state, a warning is given about the state of the microwave system performance.

2. The microwave system performance detection method based on microwave link according to claim 1 is characterized in that: The method of generating a connector performance evaluation value according to the status data of the connector in the microwave system specifically comprises the following steps: Generate an appearance feature evaluation value according to the appearance feature value of the connector; Generate a resistance evaluation value according to the resistance value of the connector; Generate a standing wave ratio evaluation value according to the standing wave ratio of the connector; Generate a plugging and unplugging force evaluation value according to the plugging and unplugging force of the connector; The appearance feature evaluation value, resistance evaluation value, standing wave ratio evaluation value and plugging and unplugging force evaluation value are weighted to generate a connector performance evaluation value.

3. A microwave system performance detection method based on a microwave link according to claim 2, characterized in that: The method for generating the connector performance evaluation value specifically includes: Performing difference processing on the appearance feature value and the appearance feature threshold to generate a feature difference; The feature difference is compared with the feature threshold to generate an appearance feature evaluation value; The resistance value is subtracted from the middle value of the standard resistance range to generate the resistance difference; the standard resistance range refers to the normal resistance range of the connector during operation; The resistance difference is compared with the middle value of the standard resistance range to generate a resistance evaluation value; Perform difference processing on the standing wave ratio and the standard standing wave ratio to generate a standing wave ratio difference; The standing wave ratio difference is processed by ratio processing with the standard standing wave ratio to generate a standing wave ratio evaluation value; The plugging and unplugging force of the connector is processed differentially with the plugging and unplugging force of the standard connector to generate a force difference; The force difference is processed by ratio with the plugging and unplugging force of the standard connector to generate a plugging and unplugging force evaluation value; By formula , generate the connector performance evaluation value K; In the formula, Tz represents the appearance characteristic evaluation value, Rz represents the resistance evaluation value, Fz represents the plugging and unplugging force evaluation value, Vz represents the standing wave ratio evaluation value, and a1, a2, a3, and a4 are all weight ratios.

4. The microwave system performance detection method based on microwave link according to claim 1 is characterized in that: The step of generating the environmental factor according to the environmental data in the microwave link specifically comprises the following steps: generating an electromagnetic intensity evaluation value according to the electromagnetic intensity; According to the water vapor content, a water vapor content evaluation value is generated; The electromagnetic intensity evaluation value and the water vapor content evaluation value are weighted to generate the environmental factor.

5. The microwave system performance detection method based on microwave link according to claim 4 is characterized in that: The generation method of the environmental factors specifically includes: The electromagnetic intensity is processed by difference with the electromagnetic intensity threshold of the microwave system operating environment to generate the electromagnetic intensity difference; the electromagnetic intensity threshold of the microwave system operating environment refers to the maximum electromagnetic intensity that the microwave system can withstand without affecting the operating state during operation; The electromagnetic intensity difference is processed by ratio with the electromagnetic intensity threshold of the microwave system operating environment to generate an electromagnetic intensity evaluation value; Perform difference processing between the water vapor content and the standard water vapor content to generate a water vapor content difference; The water vapor content difference is processed by ratio with the standard water vapor content to generate a water vapor content evaluation value; By formula , generating environmental factors He; In the formula, St represents the water vapor content evaluation value, Eh represents the electromagnetic intensity evaluation value, and α and β are weight coefficients.

6. The microwave system performance detection method based on microwave link according to claim 1 is characterized in that: The step of obtaining the gain factor of the microwave system, establishing an impact assessment model, substituting the gain factor of the microwave system, the connector performance evaluation value and the environmental factor into the impact assessment model, and generating a microwave system performance risk value specifically includes the following steps: Obtain the gain value of the antenna in the microwave system and the surrounding obstacle data to generate a gain factor; the surrounding obstacle data includes the height of the surrounding obstacles and the number of surrounding obstacles; obstacles refer to the buildings and terrain around the antenna; An impact assessment model is established, and the gain factor, connector performance evaluation value and environmental factor of the microwave system are substituted into the impact assessment model to generate the microwave system performance risk value Pe.

7. The microwave system performance detection method based on microwave link according to claim 6 is characterized in that: The expression of the impact assessment model is: ； In the expression, Ln represents the gain factor, Tz represents the connector performance evaluation value, K represents the environmental factor; Pe represents the microwave system performance risk value.

8. The microwave system performance detection method based on microwave link according to claim 6 is characterized in that: The generation method of the gain factor specifically includes: Obtain the antenna gain value, surrounding obstacle height and number of surrounding obstacles in the microwave system; A gain analysis model is established, and the gain value of the antenna in the microwave system, the height of the surrounding obstacles, and the number of surrounding obstacles are substituted into the gain analysis model to generate the gain factor Ln.

9. The microwave system performance detection method based on microwave link according to claim 8, characterized in that: The expression of the gain analysis model is: ； In the expression, H represents the height of the surrounding obstacles, H0 represents the threshold of the height of the surrounding obstacles, M represents the number of surrounding obstacles, M0 represents the threshold of the number of surrounding obstacles, Q represents the gain value of the antenna in the microwave system, γ and λ are both proportional coefficients; Ln represents the gain factor; The surrounding obstacle quantity threshold M0 refers to the maximum number of obstacles around the antenna when the obstacles do not affect microwave transmission; the surrounding obstacle height threshold H0 refers to the maximum obstacle height of the obstacles around the antenna when the obstacles do not affect microwave transmission.

10. The microwave system performance detection method based on microwave link according to claim 1, characterized in that: The determining, based on the microwave system performance risk value, whether the microwave system performance is in a normal state specifically includes: comparing the microwave system performance risk value with a microwave system performance risk threshold; If the microwave system performance risk value is less than or equal to the microwave system performance risk threshold, it means that the smaller the microwave system performance risk value is, the smaller the loss of microwave system performance is, and the microwave system performance is in a normal state; If the microwave system performance risk value is greater than the microwave system performance risk threshold, it means that the greater the microwave system performance risk value, the greater the loss of microwave system performance, and the microwave system performance is not in a normal state.

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