CN-122019495-A - Construction environment-oriented dynamic spectrum characteristic basic database construction method

CN122019495ACN 122019495 ACN122019495 ACN 122019495ACN-122019495-A

Abstract

The invention discloses a construction environment-oriented dynamic spectrum characteristic basic database construction method, which relates to the technical field of data construction and is used for solving the problem that the spectrum characteristic in a database cannot accurately reflect the actual situation of a site, acquiring construction acquisition standard information by accessing a spectrum acquisition rule base, acquiring original land object information of a construction area to be detected according to the standard, acquiring pure spectrum data before construction to establish an initial baseline spectrum set, classifying each stage in the construction process, acquiring disturbance spectrum data in real time, detecting the quality of the disturbance spectrum set and generating a spectrum quality grade, judging whether construction event information is associated according to the grade to form a disturbance spectrum set, writing the initial baseline spectrum set into the database, acquiring disturbance spectrum acquisition time sequence according to the construction event to generate a version number, analyzing disturbance spectrum and baseline spectrum difference index, judging whether to trigger a dynamic update mechanism, and ensuring that the spectrum characteristic truly reflects the change and has traceability under the construction scene.

Inventors

ZHOU YI
SHI JIANBO
CAO LEI
LIU YINGYING
GU JUN
ZHANG YING
FANG WEI
JIA ZE

Assignees

国网湖北省电力有限公司神农架供电公司
国网湖北省电力有限公司电力科学研究院

Dates

Publication Date: 20260512
Application Date: 20251208

Claims (9)

1. A construction environment-oriented dynamic spectrum characteristic basic database construction method is characterized by comprising the following steps: S1, accessing a spectrum acquisition rule base to acquire construction acquisition standard information, and acquiring original land feature information of a construction area to be detected based on the construction acquisition standard information; Step S2, collecting pure spectrum data based on original ground object information of a construction area to be detected before construction, establishing an initial baseline spectrum set, classifying construction stages in the construction process, and collecting disturbance spectrum data of original ground objects of each construction stage in real time; s3, performing quality detection on the disturbance spectrum data, setting a spectrum quality grade of the disturbance spectrum data according to a detection result, and judging whether the disturbance spectrum data is related to construction event information or not based on the spectrum quality grade to generate a disturbance spectrum set; And S4, writing the initial baseline spectrum set into a spectrum database, acquiring acquisition time sequences of the disturbance spectrum set according to construction event information, generating different version numbers, analyzing difference indexes of the disturbance spectrum set and the initial baseline spectrum set, and judging whether to trigger a dynamic updating mechanism or not based on the difference indexes.
2. The construction environment-oriented dynamic spectrum feature basic database construction method according to claim 1, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: In step S1, matching the construction type of the construction area to be detected with a spectrum acquisition rule base to acquire construction acquisition standard information of the construction area to be detected; the construction acquisition specification information is a set of standardized parameters and conditions, including a unified sampling wave band range, an observation geometry and instrument basic parameters; The original ground object information refers to basic information obtained by collecting, recording and standardizing description of body characteristics and environmental states of the ground object in a construction area to be detected, wherein the basic information comprises sampling time, geographic coordinates during sampling and illumination intensity; recording sampling time by a high-precision time synchronization device; obtaining geographic coordinates during sampling according to the high-precision positioning device; acquiring illumination intensity during sampling through an illumination sensor; Integrating the sampling time, the geographic coordinates during sampling and the illumination intensity into a basic recording template according to a preset sequence; The acquisition process is carried out according to the construction acquisition standard information of the construction area to be detected.
3. The construction environment-oriented dynamic spectrum feature basic database construction method according to claim 1, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: In step S2, before construction, acquiring standard information according to construction of a construction area to be detected by a hyperspectral imager, and acquiring pure spectrum data of the construction area to be detected under the same sampling time, geographic coordinates and illumination intensity based on a basic record template; repeating the steps to obtain pure spectrum data of each preset sampling point position; Integrating the pure spectrum data of each preset sampling point position into an initial baseline spectrum set; in the construction process, the continuous construction process is divided into a plurality of representative discrete construction stages according to the construction progress plan and the key nodes.
4. A construction environment-oriented dynamic spectrum feature basic database construction method according to claim 3, characterized in that: In the step S2, a secondary classification method based on dominant environmental disturbance characteristics is adopted for construction stage classification; The specific division logic is as follows: the first-level classification divides the construction process into an earthwork stage, a structural engineering stage and an environment recovery stage according to the main construction activity type; the secondary classification refines disturbance characteristics of the ground surface and the environment according to construction activities on the basis of the primary classification: Under the earthwork stage, the method is subdivided into an earth surface original state stage, an earthwork excavation stage and an earthwork backfill stage; under the structural engineering stage, the construction method is subdivided into a basic construction period and a main construction period; under the environmental recovery stage, the method is subdivided into a field leveling period and a vegetation recovery period.
5. The construction environment-oriented dynamic spectrum feature basic database construction method according to claim 1, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: in step S2, after the key operation node of each construction stage is completed, acquiring standard information according to the construction of the construction area to be detected through a hyperspectral imager, and acquiring spectral data of the construction area to be detected based on the same sampling time, geographic coordinates and illumination intensity; repeating the steps to obtain spectrum data of each preset sampling point position; And taking the spectrum data of each preset sampling point position of each construction stage as disturbance spectrum data of each preset sampling point position of each construction stage.
6. The construction environment-oriented dynamic spectrum feature basic database construction method according to claim 1, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: In step S3, continuously collecting disturbance spectrum data of the preset sampling point at the same construction stage, and calculating the data fluctuation characteristics of the preset sampling point according to a root mean square difference calculation method; Repeating the steps to obtain the data fluctuation characteristics of each preset sampling point; If the data fluctuation characteristic of each preset sampling point is smaller than or equal to a preset second fluctuation characteristic threshold value, judging that the spectrum quality level of disturbance spectrum data of the preset sampling point is excellent; If the data fluctuation characteristic of each preset sampling point is larger than a preset second fluctuation characteristic threshold and smaller than or equal to a preset first fluctuation characteristic threshold, judging that the spectrum quality grade of disturbance spectrum data of the preset sampling point is qualified; if the data fluctuation characteristic of each preset sampling point is larger than a preset first fluctuation characteristic threshold, judging that the spectrum quality grade of disturbance spectrum data of the preset sampling point is unqualified.
7. The construction environment-oriented dynamic spectrum feature basic database construction method of claim 6, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: In step S3, the disturbance spectrum data with the excellent or qualified spectrum quality grade of the disturbance spectrum data of each preset sampling point position is bound with the corresponding construction event information and integrated into a disturbance spectrum set; The construction event information refers to recording a set of construction activities, construction stages, operation conditions and related parameters corresponding to each disturbance spectrum data in the construction site spectrum acquisition process.
8. The construction environment-oriented dynamic spectrum feature basic database construction method according to claim 1, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: In step S4, writing the initial baseline spectrum set into a spectrum database through a batch data interface provided by a database management system; Extracting a construction stage number and a data acquisition time stamp from construction event information associated with a disturbance spectrum set, and combining the construction stage number and the data acquisition time stamp according to a preset coding rule to generate different version numbers; Carrying out standardized treatment on the disturbance spectrum set and the initial baseline spectrum set to obtain disturbance factors and baseline factors; and calculating a difference index between the disturbance spectrum set and the initial baseline spectrum set by combining the disturbance factors and the baseline factors, wherein a calculation formula is as follows: , wherein, Is the construction area to be measured The disturbance factor of a preset sampling point location, Is the construction area to be measured A baseline factor for a predetermined sampling point, Is the construction area to be measured And a difference index of the disturbance spectrum set of the preset sampling point position and the initial baseline spectrum set.
9. The construction environment-oriented dynamic spectrum feature basic database construction method of claim 8, wherein the construction environment-oriented dynamic spectrum feature basic database construction method is characterized by comprising the following steps: in step S4, if the difference index of each preset sampling point disturbance spectrum set and the initial baseline spectrum set is greater than or equal to the preset difference threshold, determining to trigger a dynamic update mechanism; if the difference index of each preset sampling point disturbance spectrum set and the initial baseline spectrum set is smaller than a preset difference threshold value, judging that a dynamic update mechanism is not triggered; The dynamic updating mechanism is used for judging whether to update the structure or the data content of the spectrum database according to the change condition of the construction disturbance spectrum data relative to the initial baseline spectrum data and executing the updating operation.

Description

Construction environment-oriented dynamic spectrum characteristic basic database construction method Technical Field The invention relates to the technical field of data construction, in particular to a construction environment-oriented dynamic spectrum characteristic basic database construction method. Background In modern construction management and environmental monitoring, spectroscopic techniques are widely used for feature identification, environmental assessment and construction impact analysis. The traditional spectrum database is generally established based on static collection or laboratory environment data, lacks dynamic adaptability to a construction site, and in the construction process, due to factors such as mechanical disturbance, material handling, construction stage change and the like, the spectrum characteristics of the ground feature can be disturbed in real time, so that the existing spectrum database has deviation from the actual condition of the site. The prior art has the following defects: At present, the prior art mainly relies on static collection or spectrum data under laboratory environment to construct a database, lacks the capability of dynamic collection, quality classification and construction event correlation of the disturbance spectrum of the ground feature of a construction site, cannot reflect continuous changes of the spectrum of the ground feature in the construction process in real time and ensures high credibility and traceability of the database, so that the spectrum features in the database cannot accurately reflect actual situations of the site, and errors and insufficient reliability exist in construction management and environment monitoring application, and therefore, the construction environment-oriented dynamic spectrum feature basic database construction method is provided. Disclosure of Invention In order to overcome the defects in the prior art, the embodiment of the invention provides a construction environment-oriented dynamic spectrum characteristic basic database construction method, which realizes continuous updating and high-credibility construction of a spectrum database by utilizing standardized construction spectrum acquisition, disturbance spectrum quality grading, construction event association and differentiated dynamic updating so as to solve the problems in the background technology. In order to achieve the above purpose, the invention provides the following technical scheme, A construction environment-oriented dynamic spectrum characteristic basic database construction method comprises the following steps: S1, accessing a spectrum acquisition rule base to acquire construction acquisition standard information, and acquiring original land feature information of a construction area to be detected based on the construction acquisition standard information; Step S2, collecting pure spectrum data based on original ground object information of a construction area to be detected before construction, establishing an initial baseline spectrum set, classifying construction stages in the construction process, and collecting disturbance spectrum data of original ground objects of each construction stage in real time; s3, performing quality detection on the disturbance spectrum data, setting a spectrum quality grade of the disturbance spectrum data according to a detection result, and judging whether the disturbance spectrum data is related to construction event information or not based on the spectrum quality grade to generate a disturbance spectrum set; And S4, writing the initial baseline spectrum set into a spectrum database, acquiring acquisition time sequences of the disturbance spectrum set according to construction event information, generating different version numbers, analyzing difference indexes of the disturbance spectrum set and the initial baseline spectrum set, and judging whether to trigger a dynamic updating mechanism or not based on the difference indexes. In a preferred embodiment, in step S1, the construction type of the construction area to be tested is matched with a spectrum acquisition rule base to obtain construction acquisition standard information of the construction area to be tested; the construction acquisition specification information is a set of standardized parameters and conditions, including a unified sampling wave band range, an observation geometry and instrument basic parameters; The original ground object information refers to basic information obtained by collecting, recording and standardizing description of body characteristics and environmental states of the ground object in a construction area to be detected, wherein the basic information comprises sampling time, geographic coordinates during sampling and illumination intensity; recording sampling time by a high-precision time synchronization device; obtaining geographic coordinates during sampling according to the high-precision positioning device; acquirin