曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

occurred. Studies by the FAA, NCAR, and the University of Chicago were
conducted in the Denver area, and showed that microbursts were responsible.
在上個世紀七、八十年代，大量的起飛和降落事故發生。根據美國FAA（聯邦航空局
）、NCAR（國家大氣研究中心）和芝加哥大學在丹佛地區的研究表明，微爆流是主
因。
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MetConsole LLWAS
(Low-Level Windshear Alert System) / 風切變系統軟件平臺
 Phase III NCAR LLWAS Algorithm Implementation
運用第三代NCAR LLWAS演算法
 Site Performance Evaluation System (SPES) Implementation
站點性能評估系統
 Graphical and Alphanumeric Displays
地圖和文字顯示
 Robust Remote Stations – MTBF > 35 years
堅固耐用的遠程站– 平均故障間隔時間（MTBF） > 35年
 Robust Communication protocol – Bit Error Rate > 10-5 means
no lost packets
可靠的通訊協議- 比特誤差率> 10-5 意味著信息無丟失
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How does LLWAS work? / LLWAS工作原理
LLWAS uses additional wind vanes installed
around the airport to detect wind shear
based on the ground level wind. / LLWAS利
用安裝在機場周圍的風向標檢測近地風切變。
The system uses a fluid
modelling algorithm to
deduce the presence of
wind shear or
microbursts based on the
measured surface wind. /
系統基于測量的地表風使
用流體建模算法推算出地
面風切變和微爆流的存在
。
The result is presented
on a graphics console in
the control tower and
used to improve the
safety of all landings and
take-offs at the airfield. /
結果顯示在控制塔內的圖
形界面上，并被用來改善
機場所有航班起降的安全
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LLWAS Shear Calculation / 風切變計算
09
27
Divergence / 輻散
Convergence / 輻合
Station-to-Station
Winds Difference
站-站之間的
風差異
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Remote Station Network – Kuwait City
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Remote Station Network – Bilbao
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Remote Station Network – Tenerife Sur
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Master Station / 主站
 High quality server hardware
高質量服務器硬件
 Industrial rack mounted
工業機架
 Built-in secure console
內置安全控制臺
 Field tested LLWAS III NE
algorithm
實際應用中驗證的LLWAS NE第
三代算法
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LLWAS Alerts / 風切變警報
Alert Message Format / 警報報文格式
 Alphanumeric Alarm Display (AAD) is limited to 25 characters per line
and has 10 lines.
文字警報顯示（AAD）每行可顯示25個字，共10行
 The alert content was designed to fit the 25 character limit.
警報內容設定在25字以內
09A MBA 35k- 3MF
Runway ID Alert Type Intensity Location
跑道名稱警報類型強度位置
“Eva 555, microburst alert, expect a thirty-five knot loss at three miles final.”
“Eva 555跑道、微爆流警報、預計35節風損、距離跑道3英里。”
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RealTime and Historical Displays / 實時和歷史顯示
Alphanumeric Display Mode / 文字顯示模式
Map Display Mode
地圖顯示模式
Archive Display / Replay
文檔顯示/ 重放
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RealTime and Historical Displays
Alphanumeric Display Mode – CKS Airport
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RealTime and Historical Displays
Graphical Display Mode – CKS Airport
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Integration with other Systems
 MetConsole allows integration with other systems
 Wind profilers give vertical Wind Shear
 Doppler Weather Radar supplement LLWAS detection
 3-D Wind Shear Model R&D Development underway
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Anemometer / 風速儀
 Completely open sensor architecture.
完全開放的傳感器架構
 Can use any Sensor on the market
可以使用市場上任意一種流行的傳感器
 Ultrasonic or Cup-and-vane system
超聲波或風杯－風向標系統
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Remote Station
 Manufactured by Telvent to
FAA specifications
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LLWAS Data Collection Sub-system / 風切變數據采集子系統
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
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