標(biāo)準(zhǔn)解讀

GB/T 44395-2024《激光雷達(dá)測風(fēng)數(shù)據(jù)可靠性評價技術(shù)規(guī)范》是中國制定的一項國家標(biāo)準(zhǔn)，旨在為激光雷達(dá)（LiDAR）在風(fēng)速和風(fēng)向測量中的數(shù)據(jù)質(zhì)量評估提供一套統(tǒng)一的技術(shù)準(zhǔn)則和方法。此規(guī)范詳細(xì)闡述了如何確保激光雷達(dá)測風(fēng)數(shù)據(jù)的準(zhǔn)確性和可靠性，對于氣象預(yù)報、風(fēng)能評估、航空航天以及環(huán)境監(jiān)測等領(lǐng)域具有重要意義。以下是該標(biāo)準(zhǔn)的主要內(nèi)容概覽：

1. 范圍與適用對象

本標(biāo)準(zhǔn)明確了適用于各類激光雷達(dá)系統(tǒng)在大氣風(fēng)場測量中的數(shù)據(jù)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(dá)設(shè)備。

2. 術(shù)語和定義

規(guī)范首先界定了關(guān)鍵術(shù)語，如“數(shù)據(jù)可靠性”、“風(fēng)切變”、“信噪比”等，為后續(xù)技術(shù)描述奠定基礎(chǔ)，確保所有使用者對專業(yè)詞匯有統(tǒng)一理解。

3. 數(shù)據(jù)采集要求

詳細(xì)規(guī)定了激光雷達(dá)在測風(fēng)時的數(shù)據(jù)采集標(biāo)準(zhǔn)，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(zhǔn)程序，以確保原始數(shù)據(jù)的高質(zhì)量。

4. 數(shù)據(jù)預(yù)處理方法

闡述了數(shù)據(jù)清洗、濾波、校正等預(yù)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(shù)據(jù)的有效性和準(zhǔn)確性。

5. 可靠性評價指標(biāo)體系

建立了一套評價激光雷達(dá)測風(fēng)數(shù)據(jù)可靠性的指標(biāo)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(biāo)準(zhǔn)，并明確了各項指標(biāo)的計算方法和閾值設(shè)定。

6. 評價方法與流程

提供了具體的操作流程和算法，指導(dǎo)用戶如何應(yīng)用上述指標(biāo)對測風(fēng)數(shù)據(jù)進(jìn)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(jié)果表達(dá)與報告

規(guī)定了評估結(jié)果的標(biāo)準(zhǔn)化表達(dá)方式和報告模板，要求報告應(yīng)包含評估依據(jù)、過程、結(jié)果及不確定性分析等內(nèi)容，便于數(shù)據(jù)共享和跨領(lǐng)域交流。

8. 案例分析與指導(dǎo)

通過實例分析展示了標(biāo)準(zhǔn)的應(yīng)用示例，幫助用戶更好地理解和實施標(biāo)準(zhǔn)要求，同時提供針對特定應(yīng)用場景的指導(dǎo)意見。

9. 附錄

包含參考文獻(xiàn)、術(shù)語解釋補(bǔ)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(biāo)準(zhǔn)提供支持。


如需獲取更多詳盡信息，請直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。

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GB/T 44395-2024激光雷達(dá)測風(fēng)數(shù)據(jù)可靠性評價技術(shù)規(guī)范_第1頁
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文檔簡介

ICS

07.060

CCS

A47

中華人民共和國國家標(biāo)準(zhǔn)

GB/T44395—2024

激光雷達(dá)測風(fēng)數(shù)據(jù)可靠性評價技術(shù)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(biāo)準(zhǔn)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(shù)語和定義

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

1

4

總體要求

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

2

4.1

測風(fēng)塔及杯式測風(fēng)儀的設(shè)置

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

2

4.2

激光雷達(dá)設(shè)置

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

2

4.3

平行對比觀測時長

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2

4.4

平行對比觀測基礎(chǔ)數(shù)據(jù)信息

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

2

4.5

平行對比觀測數(shù)據(jù)采集同步性

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

3

4.6

平行對比設(shè)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

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3

5.2

樣本分類

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

3

5.3

分析樣本數(shù)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(shù)

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

4

6.2

評價記錄

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

4

6.3

評價指標(biāo)

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

4

附錄A（規(guī)范性）

可靠性評價參數(shù)計算方法

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

6

A.1

激光雷達(dá)觀測穩(wěn)定性參數(shù)

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

6

A.2

湍流強(qiáng)度

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

6

A.3

風(fēng)切變指數(shù)

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

6

A.4

湍流強(qiáng)度切變指數(shù)

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

6

A.5

相關(guān)系數(shù)

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

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(xiàn)

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

8

Ⅰ

GB/T44395—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識別專利的責(zé)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(biāo)準(zhǔn)化技術(shù)委員會（SAC/TC540）歸口。

本文件起草單位：中國氣象科學(xué)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(dá)雷達(dá)（北京）有限公司、北京觀詳光電技術(shù)有限公司、中國三峽新能源（集

團(tuán)）股份有限公司、華風(fēng)氣象傳媒集團(tuán)有限責(zé)任公司、北京全球氣象導(dǎo)航技術(shù)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(dá)測風(fēng)數(shù)據(jù)可靠性評價技術(shù)規(guī)范

1范圍

本文件規(guī)定了利用測風(fēng)塔安裝的杯式測風(fēng)儀觀測數(shù)據(jù)與激光雷達(dá)數(shù)據(jù)進(jìn)行平行對比測試的總體要

求、參數(shù)和指標(biāo)，描述了對應(yīng)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(dá)與測風(fēng)塔安裝的杯式測風(fēng)儀的平行對比觀測及

數(shù)據(jù)可靠性評價工作。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)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(yīng)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(fēng)電場風(fēng)能資源測量方法

QX/T449—2018氣候可行性論證規(guī)范現(xiàn)場觀測

3術(shù)語和定義

下列術(shù)語和定義適用于本文件。

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