Tài liệu FREQUENCY / PHASE EFFECTS OF ANTENNAS pdf

... 47.7E L = 0.75 8 BW = 27.1E L = 2.5 8 3-4.1 Figure 1. Frequency Effects FREQUENCY / PHASE EFFECTS OF ANTENNAS The radiation patterns of the antennas presented in the previous section are for antenna ... ARRAY = 0 = 90 = 180 = 0 = 90 TWO /2 DIPOLES FOUR /2 DIPOLES Spacing = / 2 Spacing = / 2 3-4.2 Figure 2. Phase / Array Effects Figure 2 depicts pha...

Ngày tải lên: 22/12/2013, 10:15

... meaning of the whole of this in two of these books of mine. [Holmyard 1923: 562.] The Emerald Tablet of Hermes Translations From Jabir ibn Hayyan. 2 Another Arabic Version (from the German of Ruska, ... al. p 74, 81.] The Emerald Tablet of Hermes A COMMENTARY OF IBN UMAIL 17 Table of Contents The Emerald Tablet of Hermes 1 Multiple Translations 1 History of the Tablet...

Ngày tải lên: 10/12/2013, 14:15

... on. First appearance in a Cisco IOS software “T” release: 12.0(5)T. http :// www.cisco.com/univercd/cc/td/doc/product/software/ios12 0/1 20newft/120t/120t5/iprtp.htm#xtocid4263 Copyright © 2000, ... functionality. First appearance in a Cisco IOS software T release: 12.0(3)T. http :// www.cisco.com/univercd/cc/td/doc/product/software/ios12 0/1 20newft/120t/120t3/flowwred.htm Copyrigh...

Ngày tải lên: 11/12/2013, 14:15

... http :// www.fastcompany.com/magazine/89/creativity.html Creativity. These days, there's hardly a mission statement that doesn't herald it, or a CEO who doesn't laud it. And yet despite all of the ... and is the only tenured professor at a top B-school to devote her entire research program to the study of creativity, is one of the country's foremost explorer...

Ngày tải lên: 13/12/2013, 14:15

... bằng khi: TK vãng lai + TK vốn = 0 (X -M) + Ka = 0 Ka + X = M Với X > 0, M > 0 và Ka ( +/- /0 ) Vì M > 0 nên Ka + X > 0 thì pt cân bằng của cán cân thanh toán thoả mãn. Nếu cán cân ... ĐƯỜNG BP (Balance of Payment) Nhóm 1: 1. Lê Hồng Lam 2. Đặng Tâm Ngọc 3. Lưu Đức Thònh 4. Bùi Thiên Sơn 5. Lê Xuân

Ngày tải lên: 13/12/2013, 22:15

... Horizon and Shadowing Figure 2. Earth Curvature Nomograph RADAR HORIZON / LINE OF SIGHT There are limits to the reach of radar signals. At the frequencies normally used for radar, radio waves ... for the Earth's radius that is 4/3 times the actual radius. This is done to account for the effect of the atmosphere on radar propagation. For a true line of sight, such as used fo...

Ngày tải lên: 16/12/2013, 14:15

... enience Store ATM/Kiosk Internet Banking Internet Shopping BANK CARD 1234 5678 90121234 5678 9012 VALI D FRO M GOOD THRU XX/ XX/ XXXX/ XX/ XX KEN YAM ADA XX/ XX/ XXXX/ XX/ XX KEN YAM ADA Unmanned ... Banking/ Banking/ Payments/ Payments/ Brokerage Brokerage Corporate Corporate Electronic Electronic Linkages/ Linkages/ EDI EDI SelfService SelfService Kiosks Kiosks Telephone/ T...

Ngày tải lên: 20/12/2013, 17:15

... site at: http :// www.or eilly.com/catalog/lunix 5/ For more infor mation about books, conferences, Resource Centers, and the O’Reilly Network, see the O’Reilly web site at: http :// www.or eilly.com If ... slow, bug-ridden OS development at some big software com- panies. • Unlike OSes such as Microsoft Windows and MacOS that are designed for certain types of hardware, Unix runs on a...

Ngày tải lên: 21/12/2013, 11:15

Ngày tải lên: 24/12/2013, 12:16

... chối dịch vụ có rất nhiều dạng như Ping of Death, Teardrop, Aland Attack, Winnuke, Smurf Attack, UDP/ICMP Flooding, TCP/SYN Flooding, Attack DNS. Ping Of Death. Một số máy tính sẽ bị ngưng ... dịch vụ, dữ liệu được luân chuyễn tới tấp trong vòng 1 giờ cho đến khi kết thúc, và gói dữ liệu đó đã hư hỏng nặng. • Qua đó ta có thể thấy rõ những vụ tấn công từ chối dịch vụ (Denial Of...

Ngày tải lên: 26/12/2013, 00:16