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Conversion of wireless power mW and DBM and interpretation of common symbols 1. Conversion of power unit mW and DBM The RF signal output by the radio transmitter is transmitted to the antenna through a feeder (Cable), which emits electromagnetic waves. After the electromagnetic wave arrives at the receiving location, it is received by the antenna (only a small portion of the power is r

the RF signal of the radio transmitters output is transmitted to the antenna via a feeder (cable) and radiated out by the antenna in the form of electromagnetic waves. When the electromagnetic wave arrives at the receiving location, it is received by the antenna (only a small fraction of the power is received) and sent to the radio receiver via the feeder. Therefore, it is very important to calculate the transmitting power of the transmitting device and the radiation ability of the antenna in

The RF signal of the radio transmitters output is transmitted to the antenna via a feeder (cable) and radiated out by the antenna in the form of electromagnetic waves. ElectromagneticWhen the wave arrives at the receiving location, it is received by the antenna (only a small fraction of the power is received) and sent to the radio receiver via the feeder.Therefore, it is very important to calculate the transmitting power of the transmitting device and the radiation ability of the antenna in the

Modified: MW [memory address] [value] [length]Example: MW 0x02000000 0 128Represents a memory value of 0 that modifies the address to 0x02000000~0x02000000+128.Display: MD [memory address] [length]Example: MD 0x02000000 128Represents the memory data for the display of 0x02000000, with a length of 128 32bit.Note the value of [length], for example:# MD 02000000 1002000000:FFFFFFFF ffffffff ffffffff ffffffff .

() v5 = Entry (frame1, Text = v5text) v5.pack () L6 = L Abel (frame1, text= "123") l6.pack () V6text = Stringvar () V6 = Entry (frame1, Text = v6text) v6.pack () L7 = Label (frame1, text= "filling rate") l7.pack () V7text = Stringvar () V7 = Entry (frame1, Text = v7text) v7.pack () L8 = Label (frame1, text= "fill rate 12") L8.pack () V8text = Stringvar () V8 = Entry (frame1, Text = v8text) V8.pack () var = stringvar () label = label (Frame3, T Extvariable=var, relief=raised) var.set ("--------

through the circle is forcibly calculated by x-coordinate : (x-a) ^2+ ( Y-b) ^2=r^2 (A, A, a, b) for the center of R is the radius x, Y is a point on the arc y-b = math.sqrt (R^2-(x-a) ^2) = y = math.sqrt (r^2-(x-a) ^2) + B or -(y-b) = Math.sqrt (R^2-(x-a) ^2) + y =-1 * MATH.SQRT (r^2-(x-a) ^2) + b */// mtouchy = (float) ( Math.sqrt ((Math.pow (MW, 2)-Math.pow (Mtouchx, 2)) + MH); The apparent value is greater than MH, not

, the address is sent first, and then data is obtained, which is the same as the normal READ memory. Reset Mode, Write to any address0xF0All exit special mode Read IDNor flash is divided into 1-byte and 2-byte modes, so there are two types of operation commands. The onboard is 2 bytes. The operation is as follows: Sending address 555, sending data AA, 0x555*2 = 0 xaaa Sending address 2AA, sending data 55 0x2aa * 2 = 0x554 Sending address 555, sending data 90 0x555*2 = 0 xaaa Sen

DBMPower Unit and P (Watt) conversion formula:DBM = 30 + 10lgp (P: Tile)First, DB is a pure counting unit: DB = 10 logX. The significance of DB is actually a simple one, that isThe number of large (followed by a long string of 0) or small (followed by a long string of 0) is briefly expressed. For example:X = 1000000000000000 (How many ?) = 10 logX = 150 dBX = 0.000000000000001 = 10 logX =-150 dBDBM defines miliwatt. 0 dBm = 10log1 MW;Dbw defines Watt.

15-digit ID number to 18-bit: Clear;echo "/n Please enter 15-digit ID number:/C"Read Zj0if [! "$zj 0"]; Then exit; Fiws= ' expr length $zj 0 'if [$ws! = 15]; then echo "/N ID number Error!! /C "; Read Jkl;exit;fiZj1= ' echo $zj 0|cut-c1-6 'Zj2= ' echo $zj 0|cut-c7-'sfz= $zj 1 "$zj 2" 0 "I=1; Rm-f Sfz.txtWhile [$i-lt 19]DoAi= ' echo $sfz |cut-c$i-$i 'Wi= ' echo ' 7 9 5 8 4 2 1 6 3 7 9 5 8 4 2 1 "|awk-v i= $i ' {print $I} 'Awi= ' echo $ai * $wi |BC 'echo "$awi" >>sfz.txti= ' expr $i + 1 'DoneSbh=

is to traverse all, some words will not be generated, no words to generate a, and the first is a parameter, and finally the window event.changedistingwordofselected MW = NULL;foreach (Window winIn APP. Current. Windows){If (Win is changedistingwordofselected){MW = win as changedistingwordofselected;}}if (MW = = null){MW