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how to create barcode in ssrs report Figure 12.8 Typical rain attenuation curve used in Example 12.17. in Software
Figure 12.8 Typical rain attenuation curve used in Example 12.17. Denso QR Bar Code Decoder In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. QR Code 2d Barcode Creation In None Using Barcode generation for Software Control to generate, create QR Code JIS X 0510 image in Software applications. Twelve
Recognizing Denso QR Bar Code In None Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications. Denso QR Bar Code Encoder In C# Using Barcode generator for Visual Studio .NET Control to generate, create Denso QR Bar Code image in VS .NET applications. For clearsky conditions, [C/N]CS 17.4 dB, which gives an N/C ratio of 0.0182. Substituting these values in Eq. (12.60) gives 0.1 5 0.0182 3 aA 1 sA 2 1d 3 272 b 544 Generating Denso QR Bar Code In Visual Studio .NET Using Barcode encoder for ASP.NET Control to generate, create Denso QR Bar Code image in ASP.NET applications. QRCode Printer In .NET Framework Using Barcode creation for .NET framework Control to generate, create QR Code image in Visual Studio .NET applications. Solving this equation for A gives A 4, or approximately 6 dB. From the curve of Fig. 12.8, the probability of exceeding the 6dB value is 2.5 10 4, and there4 0.99975, or 99.975 percent. fore, the availability is 1 2.5 10 Draw QR Code In VB.NET Using Barcode drawer for VS .NET Control to generate, create QR Code ISO/IEC18004 image in Visual Studio .NET applications. Code 128 Creator In None Using Barcode generation for Software Control to generate, create Code 128B image in Software applications. For digital signals, the required [C/N0] ratio is determined by the acceptable BER, which must not be exceeded for more than a specified percentage of the time. Figure 10.17 relates the BER to the [Eb/N0] ratio, and this in turn is related to the [C/N0] by Eq. (10.24), as discussed in Sec. 10.6.4. For the downlink, the user does not have control of the satellite [EIRP], and thus the downlink equivalent of uplink power control, described in Sec. 12.9.1, cannot be used. In order to provide the rainfade margin needed, the gain of the receiving antenna may be increased by using a larger dish and/or a receiver front end having a lower noise temperature. Both measures increase the receiver [G/T] ratio and thus increase [C/N0] as shown by Eq. (12.53). Bar Code Printer In None Using Barcode encoder for Software Control to generate, create bar code image in Software applications. Generate Barcode In None Using Barcode creation for Software Control to generate, create barcode image in Software applications. 12.10 Combined Uplink and Downlink C/N Ratio The complete satellite circuit includes an uplink and a downlink, as sketched in Fig. 12.9a. Noise will be introduced on the uplink at the satellite receiver input. Denoting the noise power per unit bandwidth by PNU and the average carrier at the same point by PRU, the carriertonoise ratio on the uplink is (C/N0)U (PRU/PNU). It is important to note that power levels, and not decibels, are being used here. The carrier power at the end of the space link is shown as PR, which of course is also the received carrier power for the downlink. This is equal to times the carrier power input at the satellite, where is the system power gain from satellite input to earthstation input, as shown in Fig. 12.9a. It includes the satellite transponder and transmit antenna gains, the downlink losses, and the earthstation receive antenna gain and feeder losses. The noise at the satellite input also appears at the earth station input multiplied by , and in addition, the earth station introduces its own noise, denoted by PND. Thus the endoflink noise is PNU PND. The C/N0 ratio for the downlink alone, not counting the PNU contribution, is PR/PND, and the combined C/N0 ratio at the ground receiver is Create Data Matrix ECC200 In None Using Barcode generation for Software Control to generate, create ECC200 image in Software applications. GTIN  128 Generator In None Using Barcode generation for Software Control to generate, create GTIN  128 image in Software applications. The Space Link
EAN8 Generation In None Using Barcode printer for Software Control to generate, create EAN8 Supplement 2 AddOn image in Software applications. Draw USS Code 39 In VB.NET Using Barcode printer for Visual Studio .NET Control to generate, create Code39 image in .NET applications. (a) Combined uplink and downlink; (b) power flow diagram for (a). Make Data Matrix 2d Barcode In .NET Framework Using Barcode encoder for Reporting Service Control to generate, create Data Matrix 2d barcode image in Reporting Service applications. ECC200 Scanner In Visual Studio .NET Using Barcode reader for VS .NET Control to read, scan read, scan image in .NET framework applications. PR/( PNU PND). The power flow diagram is shown in Fig. 12.9b. The combined carriertonoise ratio can be determined in terms of the individual link values. To show this, it is more convenient to work with the noisetocarrier ratios rather than the carriertonoise ratios, and again, these must be expressed as power ratios, not decibels. Denoting the combined noisetocarrier ratio value by N0/C, the uplink value by (N0/C)U, and the downlink value by (N0/C)D then, N0 C PN PR PNU PND (12.61) Recognizing GS1  12 In VB.NET Using Barcode reader for Visual Studio .NET Control to read, scan read, scan image in .NET applications. Making EAN 128 In C#.NET Using Barcode maker for Visual Studio .NET Control to generate, create GS1128 image in .NET applications. PR PNU PND PR PNU PRU a N0 C b
Create EAN13 Supplement 5 In VB.NET Using Barcode maker for .NET Control to generate, create EAN13 image in VS .NET applications. Bar Code Creation In Visual Studio .NET Using Barcode creation for ASP.NET Control to generate, create bar code image in ASP.NET applications. PR PNU PR a N0 C b
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Equation (12.61) shows that to obtain the combined value of C/N0, the reciprocals of the individual values must be added to obtain the N0/C ratio and then the reciprocal of this taken to get C/N0. Looked at in another way, the reason for this reciprocal of the sum of the reciprocals method is that a single signal power is being transferred through the system, while the various noise powers, which are present are additive. Similar reasoning applies to the carriertonoise ratio, C/N. Example 12.18 For a satellite circuit the individual link carriertonoise spectral
density ratios are: uplink 100 dBHz; downlink 87 dBHz. Calculate the combined C/N0 ratio.
Solution
N0 C Therefore, s
C N0
10 log(2.095 86.79 dBHz
10 9) Example 12.18 illustrates the point that when one of the link C/N0 ratios is much less than the other, the combined C/N0 ratio is approximately equal to the lower (worst) one. The downlink C/N is usually (but not always) less than the uplink C/N0, and in many cases it is much less. This is true primarily because of the limited EIRP available from the satellite. Example 12.19 illustrates how BO is taken into account in the linkbudget calculations and how it affects the C/N0 ratio. Example 12.19 A multiple carrier satellite circuit operates in the 6/4GHz band with the following characteristics. Uplink: Saturation flux density 1 dBK . Downlink: Satellite saturation EIRP 26.6 dBW; output BO 6 dB; freespace loss 196.7 dB; earth station G/T 40.7 dBK 1. For this example, the other losses may be ignored. Calculate the carriertonoise density ratios for both links and the combined value.

