Document (#19188)

Author
Pelton, J.N.
Title
Telekommunikationssysteme des nächsten Jahrhunderts
Source
Spektrum der Wissenschaft. 1998, H.6, S.62-67
Year
1998
Abstract
Ein dichtes Netz von erdnahen Satelliten und Luftschiffen wird schon bald riesige Datenmengen übertragen. Zusammen mit breitbandigen Glasfaserkabeln und erdgebundenen Funkverbindungen werden sie ein weltweites mobiles Kommunikationsnetz bilden
Theme
Datenfernübertragung

Similar documents (content)

  1. Däßler, R.; Otto, A.: Knowledge browser : ein VRML-basiertes Navigationstool für Information Retrieval Systeme im World Wide Web (1996) 0.29
    0.2935275 = sum of:
      0.2935275 = product of:
        0.95396435 = sum of:
          0.10729285 = weight(abstract_txt:schon in 6327) [ClassicSimilarity], result of:
            0.10729285 = score(doc=6327,freq=1.0), product of:
              0.15745099 = queryWeight, product of:
                1.5541098 = boost
                5.4514923 = idf(docFreq=517, maxDocs=44421)
                0.01858439 = queryNorm
              0.68143654 = fieldWeight in 6327, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.4514923 = idf(docFreq=517, maxDocs=44421)
                0.125 = fieldNorm(doc=6327)
          0.23971787 = weight(abstract_txt:nächsten in 6327) [ClassicSimilarity], result of:
            0.23971787 = score(doc=6327,freq=1.0), product of:
              0.26909056 = queryWeight, product of:
                2.0316937 = boost
                7.1267567 = idf(docFreq=96, maxDocs=44421)
                0.01858439 = queryNorm
              0.8908446 = fieldWeight in 6327, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1267567 = idf(docFreq=96, maxDocs=44421)
                0.125 = fieldNorm(doc=6327)
          0.25969186 = weight(abstract_txt:bald in 6327) [ClassicSimilarity], result of:
            0.25969186 = score(doc=6327,freq=1.0), product of:
              0.2838379 = queryWeight, product of:
                2.086624 = boost
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.01858439 = queryNorm
              0.9149301 = fieldWeight in 6327, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.319441 = idf(docFreq=79, maxDocs=44421)
                0.125 = fieldNorm(doc=6327)
          0.34726182 = weight(abstract_txt:datenmengen in 6327) [ClassicSimilarity], result of:
            0.34726182 = score(doc=6327,freq=1.0), product of:
              0.34451082 = queryWeight, product of:
                2.2988489 = boost
                8.063882 = idf(docFreq=37, maxDocs=44421)
                0.01858439 = queryNorm
              1.0079852 = fieldWeight in 6327, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.063882 = idf(docFreq=37, maxDocs=44421)
                0.125 = fieldNorm(doc=6327)
        0.30769232 = coord(4/13)
    
  2. Sieglerschmidt, J.: Aufbau und Nutzbarkeit von Portalen : theoretische und praktische Überlegungen zu öffentlich finanzierten Kulturportalen (2006) 0.20
    0.19983922 = sum of:
      0.19983922 = product of:
        0.519582 = sum of:
          0.021438133 = weight(abstract_txt:werden in 893) [ClassicSimilarity], result of:
            0.021438133 = score(doc=893,freq=1.0), product of:
              0.06519015 = queryWeight, product of:
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.01858439 = queryNorm
              0.3288554 = fieldWeight in 893, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.09375 = fieldNorm(doc=893)
          0.026671235 = weight(abstract_txt:wird in 893) [ClassicSimilarity], result of:
            0.026671235 = score(doc=893,freq=1.0), product of:
              0.07540835 = queryWeight, product of:
                1.0755205 = boost
                3.7727013 = idf(docFreq=2775, maxDocs=44421)
                0.01858439 = queryNorm
              0.35369074 = fieldWeight in 893, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7727013 = idf(docFreq=2775, maxDocs=44421)
                0.09375 = fieldNorm(doc=893)
          0.117691465 = weight(abstract_txt:netz in 893) [ClassicSimilarity], result of:
            0.117691465 = score(doc=893,freq=1.0), product of:
              0.20287131 = queryWeight, product of:
                1.7640842 = boost
                6.188039 = idf(docFreq=247, maxDocs=44421)
                0.01858439 = queryNorm
              0.58012867 = fieldWeight in 893, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.188039 = idf(docFreq=247, maxDocs=44421)
                0.09375 = fieldNorm(doc=893)
          0.14451 = weight(abstract_txt:bilden in 893) [ClassicSimilarity], result of:
            0.14451 = score(doc=893,freq=1.0), product of:
              0.23262475 = queryWeight, product of:
                1.8890218 = boost
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.01858439 = queryNorm
              0.62121505 = fieldWeight in 893, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6262937 = idf(docFreq=159, maxDocs=44421)
                0.09375 = fieldNorm(doc=893)
          0.20927113 = weight(abstract_txt:übertragen in 893) [ClassicSimilarity], result of:
            0.20927113 = score(doc=893,freq=1.0), product of:
              0.29775807 = queryWeight, product of:
                2.1371784 = boost
                7.496775 = idf(docFreq=66, maxDocs=44421)
                0.01858439 = queryNorm
              0.7028227 = fieldWeight in 893, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.496775 = idf(docFreq=66, maxDocs=44421)
                0.09375 = fieldNorm(doc=893)
        0.3846154 = coord(5/13)
    
  3. Klick in die Zukunft (1996) 0.15
    0.14939922 = sum of:
      0.14939922 = product of:
        0.6473966 = sum of:
          0.028584179 = weight(abstract_txt:werden in 3721) [ClassicSimilarity], result of:
            0.028584179 = score(doc=3721,freq=1.0), product of:
              0.06519015 = queryWeight, product of:
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.01858439 = queryNorm
              0.43847388 = fieldWeight in 3721, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.125 = fieldNorm(doc=3721)
          0.15692194 = weight(abstract_txt:netz in 3721) [ClassicSimilarity], result of:
            0.15692194 = score(doc=3721,freq=1.0), product of:
              0.20287131 = queryWeight, product of:
                1.7640842 = boost
                6.188039 = idf(docFreq=247, maxDocs=44421)
                0.01858439 = queryNorm
              0.77350485 = fieldWeight in 3721, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.188039 = idf(docFreq=247, maxDocs=44421)
                0.125 = fieldNorm(doc=3721)
          0.46189052 = weight(abstract_txt:riesige in 3721) [ClassicSimilarity], result of:
            0.46189052 = score(doc=3721,freq=1.0), product of:
              0.4166687 = queryWeight, product of:
                2.5281594 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01858439 = queryNorm
              1.1085318 = fieldWeight in 3721, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.125 = fieldNorm(doc=3721)
        0.23076923 = coord(3/13)
    
  4. Kurzidim, M.: Bildersafari : Foto- und Videodatenbanken von 100 bis 100000 DM (1994) 0.15
    0.14911905 = sum of:
      0.14911905 = product of:
        0.64618254 = sum of:
          0.028584179 = weight(abstract_txt:werden in 8068) [ClassicSimilarity], result of:
            0.028584179 = score(doc=8068,freq=1.0), product of:
              0.06519015 = queryWeight, product of:
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.01858439 = queryNorm
              0.43847388 = fieldWeight in 8068, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.125 = fieldNorm(doc=8068)
          0.15570784 = weight(abstract_txt:zusammen in 8068) [ClassicSimilarity], result of:
            0.15570784 = score(doc=8068,freq=1.0), product of:
              0.20182355 = queryWeight, product of:
                1.7595229 = boost
                6.1720386 = idf(docFreq=251, maxDocs=44421)
                0.01858439 = queryNorm
              0.7715048 = fieldWeight in 8068, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.1720386 = idf(docFreq=251, maxDocs=44421)
                0.125 = fieldNorm(doc=8068)
          0.46189052 = weight(abstract_txt:riesige in 8068) [ClassicSimilarity], result of:
            0.46189052 = score(doc=8068,freq=1.0), product of:
              0.4166687 = queryWeight, product of:
                2.5281594 = boost
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.01858439 = queryNorm
              1.1085318 = fieldWeight in 8068, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.868255 = idf(docFreq=16, maxDocs=44421)
                0.125 = fieldNorm(doc=8068)
        0.23076923 = coord(3/13)
    
  5. Neunzert, H.: ¬Die Zukunft der Mathematik : nicht mehr Königin, aber wichtiger Partner von Wissenschaft und Technik (2002) 0.14
    0.14186926 = sum of:
      0.14186926 = product of:
        0.3073834 = sum of:
          0.012632541 = weight(abstract_txt:werden in 130) [ClassicSimilarity], result of:
            0.012632541 = score(doc=130,freq=2.0), product of:
              0.06519015 = queryWeight, product of:
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.01858439 = queryNorm
              0.1937799 = fieldWeight in 130, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.507791 = idf(docFreq=3617, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
          0.027221218 = weight(abstract_txt:wird in 130) [ClassicSimilarity], result of:
            0.027221218 = score(doc=130,freq=6.0), product of:
              0.07540835 = queryWeight, product of:
                1.0755205 = boost
                3.7727013 = idf(docFreq=2775, maxDocs=44421)
                0.01858439 = queryNorm
              0.36098415 = fieldWeight in 130, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                3.7727013 = idf(docFreq=2775, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
          0.05807396 = weight(abstract_txt:schon in 130) [ClassicSimilarity], result of:
            0.05807396 = score(doc=130,freq=3.0), product of:
              0.15745099 = queryWeight, product of:
                1.5541098 = boost
                5.4514923 = idf(docFreq=517, maxDocs=44421)
                0.01858439 = queryNorm
              0.36883834 = fieldWeight in 130, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.4514923 = idf(docFreq=517, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
          0.0486587 = weight(abstract_txt:zusammen in 130) [ClassicSimilarity], result of:
            0.0486587 = score(doc=130,freq=1.0), product of:
              0.20182355 = queryWeight, product of:
                1.7595229 = boost
                6.1720386 = idf(docFreq=251, maxDocs=44421)
                0.01858439 = queryNorm
              0.24109526 = fieldWeight in 130, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.1720386 = idf(docFreq=251, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
          0.08588514 = weight(abstract_txt:jahrhunderts in 130) [ClassicSimilarity], result of:
            0.08588514 = score(doc=130,freq=2.0), product of:
              0.23395565 = queryWeight, product of:
                1.8944178 = boost
                6.6452217 = idf(docFreq=156, maxDocs=44421)
                0.01858439 = queryNorm
              0.3671001 = fieldWeight in 130, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.6452217 = idf(docFreq=156, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
          0.07491183 = weight(abstract_txt:nächsten in 130) [ClassicSimilarity], result of:
            0.07491183 = score(doc=130,freq=1.0), product of:
              0.26909056 = queryWeight, product of:
                2.0316937 = boost
                7.1267567 = idf(docFreq=96, maxDocs=44421)
                0.01858439 = queryNorm
              0.27838892 = fieldWeight in 130, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.1267567 = idf(docFreq=96, maxDocs=44421)
                0.0390625 = fieldNorm(doc=130)
        0.46153846 = coord(6/13)