Friday, August 31, 2007

無線電基地台鄰居風水學實務:勘查與化解

•Antenna Box (天線箱)
–Distance (距離)
•天線近處,凶 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線遠處,吉
–Azimuth (方位)
•天線水平軸向正前方,凶 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線水平軸向左右前方,凶多吉少 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線水平軸向左右後方,吉多凶少
•天線水平軸向正後方,吉
–Elevation (俯仰)
•天線垂直軸向正前方,凶 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線垂直軸向上下前方,凶多吉少 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線垂直軸向上下後方,吉多凶少
•天線垂直軸向正後方,吉
–Right Above or Right Under (正上方或正下方)
•天線正下方處,凶多吉少 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•天線正上方處,凶多吉少 (化解:1. 加裝金屬隔離板或雙層金屬隔離網 2.加裝無毒性、防火、抗老吸收材料)
•Transmission Line Tube (傳輸線漕)
–Distance (距離)
•傳輸線近處,凶多吉少 (化解:增設金屬隔離管或雙層金屬隔離套)
•傳輸線遠處,吉
•Radio Equipment Chamber (無線電裝備室)
–Distance (距離)
•無線電裝備近處,凶多吉少 (化解:增設金屬板隔離室或雙層金屬網隔離室)
•無線電裝備遠處,吉

Thursday, August 30, 2007

軟體產品描述

•Architecture (建築式樣)
•Flowchart (流程圖)
•Component (元件)

Monday, August 27, 2007

The Recommended Environmental Value of Non-Ionizing Radiation

•EPA recommended environmental value is: 0.2 mW/cm2
•EPA recommended environmental value is: 833 mG

裝備與人員之環境保護

•風(Wind-Air)
•雨(Rain-Water)
•雷(Acoustic)
•電(Electric)
•磁(Magnetic)
•震(Mechanical)
•火(Thermal)
•光(Optical)
•蝕(Chemical)
•菌(Biological)
•塵(Dust)
•毒(Poison)

Friday, August 24, 2007

電路佈局風水學

•現象(電磁及電流)
–空間Air-電磁輻射或電磁感應
–電流去路Trace-電磁傳導
–電流回路Return-trace-電磁傳導
–地面電流Ground-電磁傳導
–地下電流Under-ground-電磁傳導
–電流阻絕方式-牆wall壕moat
–電流原理-電往低電壓源或電流源流、電往低阻抗負載流、電往低阻抗傳輸線流
•模型一(風水) 電磁輻射或電磁感應-風; 電磁傳導-水
–空間-風或水氣
–淨水流-水道、水管
–污水流-陰溝、陽溝
–地面水流-水池
–地下水流-水庫
–水流阻絕方式-隄防dike疏洪道floodway
–水流原理-水往低處流、水往開處流、水往直處流
•模型二(人車) 電磁輻射或電磁感應-人; 電磁傳導-車
–空間-人或車客
–往車流-平面車道、地下車道、高架車道
–返車流-平面車道、地下車道、高架車道
–地面車流-地面停車場
–地下車流-地下停車場
–車流阻絕方式-牆wall壕moat
–車流原理-車走順路、車走通路、車走近路

磁通密度

•瑞典標準<2mGuass
•紐西蘭國家輻射實驗室標準<100mGuass
•地磁=400~600mGuass
•核磁共振=5,000~25,000Guass
•發電廠=266mGuass@1m
•手機=700~2,000mGuass@1m
•微波爐=750~2,000mGuass@1m
•檯燈=400~4,000mGuass@1m
•吸塵器=2,000~8,000mGuass@1m

Notes

•The values may be exceeded provided average whole-body SAR<0.4W/kg, and peak spatial SAR<8W/kg averaged over 1g tissue
•The Academy of Medical Science of the USSR specifies 0.01mW/cm2 as a level for continuous exposure

The Recommended Environmental Value of Non-Ionizing Radiation

•EPA - Air No 3219 proclamation, 2001. 1.12.
•EPA recommended environmental value is: 0.2 mW/cm2
•EPA recommended environmental value is: 833 mG

Wednesday, August 22, 2007

RF Power Measurements of Simple Peak

•Power-meter
–Watt=Average Power
–Power threshold
•Spectrum Analyzer
–Watt/Hz=Power Density over Frequency=Frequency Domain Peak Power
–Watt/Hz*Mainlobe-width=Average Power
–Power frequency-spectrum mask
•Waveform Analyzer
–Watt/us=Power Density over Time=Time Domain Peak Power
–Watt/us*Pulse-width=Average Power
–Power time-waveform mask
•2D Pattern Analyzer
–Watt/degree=Power Density over Angle=Angle Domain Peak Power
–Watt/degree*Beam-width=Average Power
–Power angle-pattern mask
•3D Pattern Analyzer
–Watt/steradian=Power Density over Solid-angle =Solid-angle Domain Peak Power
–Watt/steradian*Solid-beam-cover=Average Power
–Power solid-angle-pattern mask
•Radiometer
–Watt/meter-square=Power Density over Unit-area=Space Domain Peak Power
–Watt/meter-square*Aperture-size=Average Power
–Power Density threshold

雷電風水學

•雷電 Lightning
–雷擊危險 Lightning Hazard
•高壓電塔 High-voltage Tower
–高壓電擊危險 High-voltage Conductive Hazard、磁場感應危險 Magnetic-field Reactive Hazard
•高壓線 High-voltage Transmission Lines
–高壓電擊危險 High-voltage Conductive Hazard、磁場感應危險 Magnetic-field Reactive Hazard
•變電所 Transformer Station
–磁場感應危險 Magnetic-field Reactive Hazard
•變壓器 Transformer
–磁場感應危險 Magnetic-field Reactive Hazard
•無線電基地台 Wireless Base Station
–電磁波輻射危險 Electromagnetic-wave Radiating Hazard
•廣播電台 Broadcast Base Station
–電磁波輻射危險 Electromagnetic-wave Radiating Hazard
•雷達站 Radar Site
–電磁波輻射危險 Electromagnetic-wave Radiating Hazard
•導航站 Navigation Site
–電磁波輻射危險 Electromagnetic-wave Radiating Hazard

IEEE802 Five Criteria of Project Authorization Request

•Broad Market Potential (市場商機)
•Compatibility (相容性)
•Distinct Identity (相異性)
•Technical Feasibility (技術可行性)
•Economic Feasibility (經濟可行性)

Tuesday, August 21, 2007

電子偵測

•Passive (黑夜找燈火)
•Semi-passive (白晝找人煙)
•active (礦工藉頭盔燈找礦物)
•semi-active (警衛藉手電筒找動靜)

Smart or Feature

•Smart Phone
–Multiple Features (Phone with Cellular, Camera, BT, PDA, GPS, WiFi, MDTV, and Multimedia)
–Combo Module
–Multi-band Antenna
–Low volume
–High cost
–High power consumption
–Average performance
–Hard to use
•Feature Phone
–Single Feature (Cellular-Phone, Camera-Phone, BT-Phone, PDA-Phone, GPS-Phone, WiFi-Phone, MDTV-Phone, or Multimedia-Phone)
–Simple Module
–Single-band Antenna
–High volume
–Low cost
–Low power consumption
–Professional performance
–Easy to use

信號處理

•類比/敏感的/實數線/連續軌跡/似氣態分子能量的/化學的/頻域
•數位/聰明的/有理數線/離散軌跡/似原子能階的/物理的/時域
•渾沌/智慧的/複數面/無軌跡/似固態能帶的/生物的/碼域

Friday, August 17, 2007

SiP Combo Modules for Wireless RFID Reader

•RFID plus ZigBee (WPAN)
•RFID plus WiFi (WLAN)
•RFID plus WiMAX (WMAN)

Antenna key Specifications

•Access-Point/ Router: VSWR
•Bridge/ Gateway: Gain
•Desktop-PC/ Laptop-PC/ Ultra-Mobile-PC: Diversity (Position, Angle, Polarization)
•Smart-Phone/ Personal-Digital-Assistant: Pattern, Isolation
•Digital-Frame/ Personal-Media-Player: VSWR
•Digital-Camera: Pattern
•PCMCIA-Card/ USB-Dongle-Adapter/ SDIO-Card: VSWR

Thursday, August 16, 2007

電路發展策略

•Differentiated (差異化) vs. Standardized (標準化)
•Integrated (積體化) vs. Discrete (離散化)
•Miniaturized (縮裝化) vs. Modulized (模組化)

微波電路與電子電路

•Geometrical (幾何的) vs. Topological (拓樸的)
•Distributed (分佈的) vs. Lumped (集總的)
•Graphic (圖形的) vs. Schematic (線路的)
•High-frequency (高頻) vs. Low-frequency (低頻)
•Large-size substrate (大尺寸基板) vs. Small-size substrate (小尺寸基板)

Tuesday, August 14, 2007

Why SiP Combo Module of GPS plus DVB plus optional Bluetooth

•Both for outdoor applications
•Both for mobile applications
•Both for handheld applications
•Both for vehicular applications
•Both for the applications to the systems shared a common LED
•Both for the applications to the systems shared a common speaker or earphone via Bluetooth