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
Factory acceptance testing
witnessed and approved by FAA
通過FAA（美國聯邦航空局）的工廠驗收測
試
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35
Remote Station Communications
Specially designed for LLWAS
applications.
Primary Poll plus Successive
Retries
Very effective in noisy airport
environments
REPOLL
SAMPLE4 STATION POLLCYCLE
RS3 REPLY
MISSING REPLY
RS2 REPLY
RS1 REPLY
POLL
REPOLL
RS4 REPLY
MISSING REPLY
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36
Environmental Testing / 環境測試
Comprehensive testing
ensures conformance with
all required specifications
全面的測試確保與所有要求
的技術指標一致
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37
Remote Station Simulator / 遠程站點仿真
Provides the user with the ability to emulate one or more Remote
Stations by generating data and correctly responding to polls. / 通
過生成數據和對查詢的正確響應，使用戶能夠仿真一個或多個遠
程站點。
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38
Site performance Evaluation System / 站點性能評估系統
Site Performance Overview / 站點性能總覽
Detailed Station View
詳細站點視圖
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39
Site performance Evaluation System / 站點性能評估系統（SPES）
SPES Detects / SPES檢測：
Extreme High or Low Speed Values / 過高或過低的速度
值
LOW SPEED BIAS (+ Direction dependence) / 低速BIAS
（+ Direction dependence ）
HIGH SPEED BIAS (+ Direction dependence) / 高速
BIAS （+ Direction dependence ）
Extreme High or Low Direction Values / 過高或過低的風
向值
Significant Direction Offset / 重大的風向偏移
High variance in direct difference variation /
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40
Maintenance Displays / 維護顯示
System Setup / 系統設置
Diagnostics / 診斷
Remote Station Simulations / 遠程站仿真
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41
LLWAS Training in Perth
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42
International References / 國際業績
China Taiwan/中國臺
灣
CAA Taiwan / 臺灣民航局CKS, Taipei, Taiwan / 臺北中正國際機場
China Taiwan/中國臺
灣
CAA Taiwan / 臺灣民航局Sung Shan, Taipei, Taiwan / 臺北松山機場
Spain / 西班牙INM, Spain / 西班牙國家氣象研究所Tenerife Airport, Spain / 西班牙特內里費機場
Spain / 西班牙INM, Spain / 西班牙國家氣象研究所Bilbao Airport, Spain / 西班牙畢爾巴鄂機場
Kuwait / 科威特DGCA, Kuwait / 科威特民航局Kuwait City, Kuwait / 科威特科威特城
Australia/澳大利亞Australian Bureau of Meteorology /
澳大利亞氣象局
Darwin Airport, Australia/ 澳大利亞達爾文機
場
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43
Summary / 小結
Only company in the world with its own AWS, AWOS, LLWAS,
ATIS, MSS and Forecaster Workstation products, offered as an
integrated package
世界上唯一一家提供自產AWS、AWOS、LLWAS、ATIS、MSS以
及預報工作站集成產品的公司
Meteorological software expert team unmatched by competitors
同業競爭者無法企及的氣象軟件專家團隊
In-house manufacturing of meteorological and communication
equipment
自行設計生產的氣象和通訊設備
Experienced in Project Management, Installation, Training and
Support
經驗豐富的項目管理、設備安裝、培訓和技術支持
Certified ISO9001 Quality System
通過ISO9001質量體系認證
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Thank You
謝謝
Andrew Walters
Telvent
<Andrew.Walters@telvent.com>
Multilateration & MAGS
L. Gonzales
2
L. Gonzales 29/07/05
Thales ATM Do not reproduce without permission
Outline
1. Principle of multilateration
2. Aircraft signal
3. Multilateration on airports
4. Conclusion
3
L. Gonzales 29/07/05
Thales ATM Do not reproduce without permission
1. Principle of multilateration
4
L. Gonzales 29/07/05
Thales ATM Do not reproduce without permission
Basic Principle of Multilateration
Multilateration (MLAT) is a technique initially developed for military
applications, which allows to passively locate co-operative targets by
multistatic measurements.
Passive: no interrogation from the surveillance system are
required (i.e. receive only), provided the aircraft transmits a
signal
Co-operative: the principle requires appropriate onboard
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