31mm nagler

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Design of Three-frequency single-pole antenna for WLAN/WiMAX (1)

. Compared with the dipole antenna, the 1/4 wavelength single pole antenna is introduced to the grounding plane, electromagnetic waves only have radiation power above the ground, so that the radiation power is only 1/2 of the half-wave dipole. However, the directionality coefficient of the 1/4 wavelength dipolar antenna and the half-wave dipolar antenna are both 2.15 dB. The 1/4-wavelength single-pole antenna can be implemented using the microline structure shown in 1 (a). To further reduce the

Several Basic concepts of slr

WindowsF/Calc: English Chinese patch All downloaded files are compressed using Winrar.We recommend that you download and install the original installation file, and then copy the Chinese file to the corresponding path.Email from Chinese:Baby.Leos@163.com (1) f/200/2 depth of field when the focus is 5 MB: Delta = 0.035 F = 200 F = 2.8 L = 5000 △L1 = 60mm △L2 = 62mm

SQL plus error during crontab timing

value range is 1 ~ 31mm executes the task in the month of each year. The value range is 1 ~ 12 dw executes the task the day of every week. The value range is 0 ~ 6. 0 indicates that the program www.2cto.com to be executed is specified by the command on Sunday. The example is as follows: * ls indicates that the ls command is executed once every 5th minutes of every hour. * 5 * ls indicates that the ls command is executed at every day. * 7 8 * ls indic

Python implementation 2014 train ticket query code sharing

=qpushbutton ("OK")Btn.clicked.connect (Self.submit)#输入选项Label=[qlabel ("FA Station:"), Qlabel ("Arrival:"), Qlabel ("Date:")]Self.line=[qlineedit (), Qlineedit (), Qcombobox ()]Y=int (Time.strftime ("%Y", Time.localtime ()))M=int (Time.strftime ("%m", Time.localtime ()))D=int (Time.strftime ("%d", Time.localtime ()))I=0Yy=yMm=mDd=dWhile iIf M in (1,3,5,7,8,10,12):If d+i>31:Dd=d+i-31Mm=m+1If mm>12:Yy=y+1Mm=mm-12ElseDd=d+iElif m in (4,6,9,11):If d+i>30

The new D-Link Broadband Router was officially launched

China's routing industry has developed rapidly, and many well-known enterprises are fiercely competitive. D-Link broadband routers are one of them. As a well-known network equipment manufacturer, D-Link has undergone dramatic changes in its product exterior design and color matching. In this respect, it is a great deal of money and effort. D-Link has launched a m d-Link Broadband Router for small and medium-sized enterprise users-DIR-100, not only in terms of performance improvement but also in

SQL plus error during crontab timing

command section to be executed. the format is as follows: mi hh dd mm dw command explanation: the number of minutes that mi executes this task every hour. the value range is 0 ~ 59 hh: the hour in which the task is executed every day. the value range is 0 ~ 23 dd: execute this task on the day of every month. The value range is 1 ~ 31mm executes the task in the month of each year. The value range is 1 ~ 12 dw executes the task the day of every week. T

Screen length and pixel length conversion

Recently I am going to create a WYSIWYG Graph Editor. I encountered a problem: If a straight line is drawn on the screen in pixels, how can I know the physical length of the editor on the screen? For example, suppose we create a simple single-document program pixertoinch using the wizard in vc6, And the ondraw function contains the following code: Void cpixertoinchview: ondraw (CDC * PDC) So on the screen of my aoc915sw display, the actual measurement result is that the actual length of the hor

ThinkPad edge 13 real machine trial

medium-sized enterprises, the design and work of the same type of models are still relatively high. In terms of external specifications, the thickness of edge 13 is 17 to 31mm, which is a little thicker than that of ultra-thin models such as x200 or Asus ul30a, however, the 6kg or so weight makes it feel quite light in the hand. Interfaces, left and right provides a total of 3 USB interfaces, hdmi and VGA output, MMC/SD/MS-Pro/XD 5 in combinatio

Python realizes 2014 train ticket query code sharing _python

[1])#按钮Btn=qpushbutton ("OK")Btn.clicked.connect (Self.submit)#输入选项Label=[qlabel ("station:"), Qlabel ("Arrival:"), Qlabel ("Date:")]Self.line=[qlineedit (), Qlineedit (), Qcombobox ()]Y=int (Time.strftime ("%Y", Time.localtime ())M=int (Time.strftime ("%m", Time.localtime ())D=int (Time.strftime ("%d", Time.localtime ()))I=0Yy=yMm=mDd=dWhile iIf M in (1,3,5,7,8,10,12):If d+i>31:Dd=d+i-31Mm=m+1If mm>12:Yy=y+1Mm=mm-12ElseDd=d+iElif m in (4,6,9,11):If d

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