Communications, Radar & Electronic Warfare (201.. - Index of

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58 Communications, Radar and Electronic Warfare1 1-----·----··CDF of Ricean distribution "" "."" // " . ",..-0.9 ----- . --- --.- -------- f-,,'-----;L--.. ------ --- -/-------- . . -----.--.----, / ' /I 1/ / /0. 8r----- ---- ,-;-----t··- .. . --j----..---- -1 ,' ./- 1 I- -0.7- ,:- - ._. __ ... _ .. ......,,------- ------_ .. _-/ ,/ /0.6·· ·· --· - ------------.-/------., : /1 I/,.0.5':' -- .. -.- --1--- .-- . -.... ---/---------- .. - - - . . -- -, : ", :/L/ ___ I/--- ---O.4i--, II ' : .' /• , I10.3 ,II/0.2 j '-l. _n --!.--.- /, : /I ,/ /0.1j- I! " ",', '---{--, ,/ .1.----. -----.-- --./7 - ---o 1 ;
The Radio Channel59Timeslot #1 ,f l ---::o"',----,"," / L , )r-:}jị·';:.··"i!i4;l.,-I.,-Timeslot #2Frequencyft)FrequencyTimeslot #3W,-__ I·,--____________ Figure 3.12Frequency hopping system, showing how the signal uses time lot at different frequencies.In Figure 3.13, we can see the effects of the antenna gain response across frequency,the propagation loss, which in general increases with frequency and the received signallevel. In this case, the minimum working signal level is shown and it can be seen thatthe combined effects of antenna response and propagation loss mean that only thebottom part of the band can be used effectively for this link.In terms of assessing the performance of individual time slots, we can apply thestatistics relevant to the transmission at that moment in time. If, as shown in the figure,the individual time slot transmissions are narrowband in nature then the statisticsdescribed above can be used. But frequency hopping systems can also be used to hopwideband signals. In this case, we would have to use the statistics described in thenext section.3.4 Wide band SignalsWideband signals differ from narrowband ones in that the response across frequencyvaries. This is caused by the effective cancellation of the signal strength due to strongreflections. Figure 3.14 shows an example at just above 400 MHz with two combinedsignals arriving at the receiver with the same signal strength. This would be the case if
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COMMUNICATIONS,RADAR ANDELECTRONICW
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Content,6.3 Types of Communications
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xContents16.1.2 EMC Issues 26616.1.
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xiiContents20 Summary and Conclusio
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xivPrefaceI have provided some refe
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",iDiplexerdBddBiOEMOFDMEDownlinkDR
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xviiiGlos&aryNFDNSAOPOPTEMPOORE ATO
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Part OneBasic Theory
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4 CommunicatIOns, Radar and Electro
Page 27 and 28: [ ntroductlon 7......Figure 1.4 A t
Page 29 and 30: Introduction 9IIIFigure 1.6 A naval
Page 31 and 32: Introduction 11• In many cases, p
Page 33 and 34: Introduction 13Typical equipment th
Page 35 and 36: Introduction 15into a suitable digi
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Page 39 and 40: Introduction 19For the communicatio
Page 41 and 42: Introduction21Table 1.5Antenna cOlT
Page 43 and 44: Introduction23(a) Clear radio line
Page 45 and 46: --Introduction2SFor microwave frequ
Page 47 and 48: 2Management of the Radio Spectrum2.
Page 49 and 50: Management of the Radio Spectrum29I
Page 51 and 52: Management of the Radio Spectrum 31
Page 53 and 54: Management of the Radio Spectrum33H
Page 59 and 60: Management of the Radio Spectrum39\
Page 61 and 62: Management of the RadIO Spectrum 41
Page 63: Management of the Radio Spectrum-13
Page 66 and 67: 46CommUnICatIOns, Radar and Electro
Page 68 and 69: 48 Communications, Radar and Electr
Page 70 and 71: !I.1II,soCommunications, Radar and
Page 72 and 73: 52 CommunIcations, Radar and Electr
Page 74 and 75: 54 COIllIllUIlICatiOnS, Radar and E
Page 80 and 81: ..60(f)(f)o-lCommunications, Radar
Page 82 and 83: -----62Communications, Radar and El
Page 85 and 86: 4Radio Links in the Presenceof Nois
Page 87 and 88: Radio Links in the Preence of Noise
Page 89 and 90: Radio Links in the Presence of Nois
Page 97: Radio Links in the Presence of Nois
Page 104 and 105: X-lFigure 5.4 Illustration of energ
Page 106 and 107: ---86 CommunicatIOns, Radar and Ele
Page 118 and 119: 1'1,----__ 1·_ >FrequencyDetected
Page 120 and 121: 100 Communications, Radar and Elect
Page 122 and 123: Radar and Radar Jamming103-- -- --
Page 124 and 125: Radar and Radar Jamming105...... ..
Page 126 and 127: 108Communications, Radar and Electr
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Radar and Radar Jamming109Vertical
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Radar and Radar Jamming111Displayte
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Radar and Radar Jammmg113ill;;:0D-0
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Radar and Radar Jamming 115oPhase +
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Radar and Radar Jamming 117Correlat
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Radar and Radar Jamming119Displayte
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Radar and Radar Jamming 121shows th
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Radar and Radar Jamming 123Advancin
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Radar and Radar Jamming125Basebands
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Radar and Radar Jammmg 127aircraft,
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Radar and Radar Jammmg12')j r .)11'
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Radar and Radar Jamming131(a)(c)c:C
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Radar and Radar Jamming 1337.5 Rada
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136 Communications, Radar and Elect
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Page 159 and 160:
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Page 163 and 164:
Page 166 and 167:
9Predicting HF Radio9.1 Propagation
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Predicting HF Radio149Predicted sun
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Predicting HF Radio 151Range (km)Fi
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Predicting HF Radio153lOW. CM' '-'
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0.. iS·{)q'"0..o·..U1U1jJ .\R(PS
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Predicting HF Radio 157Remember tha
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10VHF to SHF Radio Prediction10.1 P
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..........................VHF to SH
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VHF to SHF Radio Prediction 163Sub-
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VHF to SHF Radio Prediction16530000
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VHF to SHF Radio Prediction167Figur
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VHF to SHF Radio Prediction169Fresn
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........VHF to SHF Radio Prediction
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144__VHF to SHF Radio Prediction 17
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VHF to SHF Radio Prediction175Trans
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VHF to SHF Radio Prediction177oTwo-
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VHF to SHF Radio Prediction 179With
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VHF to SHF Radio Prediction 181with
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VHF to SHF Radio Prediction 183is d
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VHF to SHF Radio PredictIOn 185Tabl
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VHF to SHF Radio Prediction187Table
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VHF to SHF Radio Prediction189Table
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11Data Requirements for RadioPredic
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opofJ?:l(0..ac.3(0;::.en8'>;?:l0.o'
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Data Requirements for Radio Predict
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u&::::0(1)..0c:3(1)::;:;;3'..,:::0'
Page 218 and 219:
t)poS':;0(1).n::.3(1);aV>8'...,:;0p
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o0.>;::,:l(!).g:r.-;::,:lOJ0..5"-0r
Page 222 and 223:
==Data Requirements for Radio Predi
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Data Requlrement for RddJO Prcdlctl
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Data Requirements for RadIO Predict
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,I,Data Requirements for Radio Pred
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Page 248 and 249:
13Planning Radio Networksfor Covera
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Planning Radio Networks for Coverag
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...Planning Radio Networks for Cove
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(((II/III/llcd)0):l:l:l[fQ:;00)9-:o
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Page 260 and 261:
Page 262 and 263:
Planntng RadIOetv.ork, for Covcrage
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Page 266 and 267:
14Interference Analysis14.1 Introdu
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Intelference Analysis249Received po
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Interference Analysis2510 ,-- -5-10
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Interference Analysis253Table 14.1
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Interference Analyls14.4 Different
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Page 279 and 280:
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262CommunicatIOns, Radar and Electr
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264 CommuDlcation" Radar and Electr
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266 CommUnIcatIOns. Radar and Elect
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2M,------------- ------------ ---I:
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Page 293 and 294:
Page 296 and 297:
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280 Communication5, Radar and Elect
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282CommunicatlOns, Radar and Electr
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2X4._---------_._--Despite these cl
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286 CommunicatlOns, Radar and Elect
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292 CommUniCatIOns, Radar and Elect
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294 Communicat ions. Rauar anu Elec
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296 CommUniCatIOns, Radar and Elect
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298Communications, Radar and Electr
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Page 320 and 321:
302 CommUnICatIOns, Radar and Elect
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(llll l Hlt (!I" tilL' \CIl\L' .Jll
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Page 326 and 327:
Page 328 and 329:
310COllllllunJCallon, Radar and Ele
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314 Commumcation, Radar and Electro
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316 Communication, Radar and Electr
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Page 342 and 343:
324 CommUI11Catlons, Radar and Elec
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18Non-CommunicationsElectronic Warf
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Non-Communications Electronic Warfa
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Non-Communication Electronic Warfar
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...Non-Communications Electronic Wa
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)\;OIl-COllllllunlcatlOnplral radar
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Non-CommunicatIons ElectronIc Warfa
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Non-CommunIcations Electronic Warfa
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Non-Communication,; Electrolllc War
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Page 363 and 364:
Non-CommunIcations Electronic Warfa
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Non-CommunIcations ElectronIC Warfa
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Page 369 and 370:
Non-CommUnIcatIOns ElectronIc Warfa
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19Countering Radio-Controlled rEDs1
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Coulltering RadlO-Colltrolled IEOsc
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Countering Radio-Controlled IEDs 35
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Countering Radio-Controlled rEDs359
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Countering Radio-Controlled IEDs 36
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Countering Radio-Controlled IEDs363
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COIllIllUlllcatlons. Radar and Elec
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372CllndllltJl'ily dnd !lemlJltl\'l
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Indexabsorption 53 , 160, 169-70act
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377cooperative 128cover 128deceptiv
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