標準解讀

GB/T 44395-2024《激光雷達測風數據可靠性評價技術規(guī)范》是中國制定的一項國家標準，旨在為激光雷達（LiDAR）在風速和風向測量中的數據質量評估提供一套統(tǒng)一的技術準則和方法。此規(guī)范詳細闡述了如何確保激光雷達測風數據的準確性和可靠性，對于氣象預報、風能評估、航空航天以及環(huán)境監(jiān)測等領域具有重要意義。以下是該標準的主要內容概覽：

1. 范圍與適用對象

本標準明確了適用于各類激光雷達系統(tǒng)在大氣風場測量中的數據處理與評價方法，包括但不限于連續(xù)波、脈沖 coherent 和 incoherent 等不同工作原理的激光雷達設備。

2. 術語和定義

規(guī)范首先界定了關鍵術語，如“數據可靠性”、“風切變”、“信噪比”等，為后續(xù)技術描述奠定基礎，確保所有使用者對專業(yè)詞匯有統(tǒng)一理解。

3. 數據采集要求

詳細規(guī)定了激光雷達在測風時的數據采集標準，包括但不限于測量頻率、采樣時間間隔、空間分辨率以及必要的校準程序，以確保原始數據的高質量。

4. 數據預處理方法

闡述了數據清洗、濾波、校正等預處理步驟，如去除異常值、平滑噪聲、修正儀器偏移和環(huán)境影響，以提高數據的有效性和準確性。

5. 可靠性評價指標體系

建立了一套評價激光雷達測風數據可靠性的指標體系，包括但不限于精度、穩(wěn)定性、完整性、可追溯性等多維度評價標準，并明確了各項指標的計算方法和閾值設定。

6. 評價方法與流程

提供了具體的操作流程和算法，指導用戶如何應用上述指標對測風數據進行系統(tǒng)性評估，包括統(tǒng)計分析、誤差分析、對比驗證等方法。

7. 結果表達與報告

規(guī)定了評估結果的標準化表達方式和報告模板，要求報告應包含評估依據、過程、結果及不確定性分析等內容，便于數據共享和跨領域交流。

8. 案例分析與指導

通過實例分析展示了標準的應用示例，幫助用戶更好地理解和實施標準要求，同時提供針對特定應用場景的指導意見。

9. 附錄

包含參考文獻、術語解釋補充、常用公式及計算工具推薦等附加信息，為深入理解和執(zhí)行標準提供支持。


如需獲取更多詳盡信息，請直接參考下方經官方授權發(fā)布的權威標準文檔。

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文檔簡介

ICS

07.060

CCS

A47

中華人民共和國國家標準

GB/T44395—2024

激光雷達測風數據可靠性評價技術規(guī)范

Technicalspecificationforreliabilityevaluationofwinddatafromlidar

2024-08-23發(fā)布2024-12-01實施

國家市場監(jiān)督管理總局發(fā)布

國家標準化管理委員會

GB/T44395—2024

目次

前言

·····································································································

Ⅲ

1

范圍

··································································································

1

2

規(guī)范性引用文件

······················································································

1

3

術語和定義

···························································································

1

4

總體要求

······························································································

2

4.1

測風塔及杯式測風儀的設置

·····································································

2

4.2

激光雷達設置

····················································································

2

4.3

平行對比觀測時長

···············································································

2

4.4

平行對比觀測基礎數據信息

·····································································

2

4.5

平行對比觀測數據采集同步性

···································································

3

4.6

平行對比設置和觀測記錄

········································································

3

5

評價方法

······························································································

3

5.1

平行對比分析樣本的篩選

········································································

3

5.2

樣本分類

·························································································

3

5.3

分析樣本數量要求

···············································································

3

5.4

平行對比樣本分析處理記錄

·····································································

4

6

可靠性評價

···························································································

4

6.1

評價參數

·························································································

4

6.2

評價記錄

·························································································

4

6.3

評價指標

·························································································

4

附錄A（規(guī)范性）

可靠性評價參數計算方法

·························································

6

A.1

激光雷達觀測穩(wěn)定性參數

·······································································

6

A.2

湍流強度

························································································

6

A.3

風切變指數

······················································································

6

A.4

湍流強度切變指數

··············································································

6

A.5

相關系數

························································································

7

A.6

擬合優(yōu)度

························································································

7

A.7

絕對誤差

························································································

7

A.8

相對誤差

························································································

7

參考文獻

··································································································

8

Ⅰ

GB/T44395—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內容可能涉及專利。本文件的發(fā)布機構不承擔識別專利的責任。

本文件由中國氣象局提出。

本文件由全國氣候與氣候變化標準化技術委員會（SAC/TC540）歸口。

本文件起草單位：中國氣象科學研究院、廣東省氣候中心、北京玖天氣象科技有限公司、深圳市國

家氣候觀象臺、華云敏視達雷達（北京）有限公司、北京觀詳光電技術有限公司、中國三峽新能源（集

團）股份有限公司、華風氣象傳媒集團有限責任公司、北京全球氣象導航技術有限公司。

本文件主要起草人：宋麗莉、陳雯超、全利紅、王丙蘭、植石群、袁春紅、張永山、肖擎曜、

王香云、高瑞泉、舒仕江、孫劍、王尚昆、王瑞明、張繼立、薛洋洋。

Ⅲ

GB/T44395—2024

激光雷達測風數據可靠性評價技術規(guī)范

1范圍

本文件規(guī)定了利用測風塔安裝的杯式測風儀觀測數據與激光雷達數據進行平行對比測試的總體要

求、參數和指標，描述了對應的評價方法和可靠性評價。

本文件適用于開展觀測高度在400m以下的激光雷達與測風塔安裝的杯式測風儀的平行對比觀測及

數據可靠性評價工作。

2規(guī)范性引用文件

下列文件中的內容通過文中的規(guī)范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用

于本文件。

GB/T18709—2002風電場風能資源測量方法

QX/T449—2018氣候可行性論證規(guī)范現場觀測

3術語和定義

下列術語和定義適用于本文件。

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