JPS6449437A - Microwave communication equipment - Google Patents

Microwave communication equipment

Info

Publication number
JPS6449437A
JPS6449437A JP20518687A JP20518687A JPS6449437A JP S6449437 A JPS6449437 A JP S6449437A JP 20518687 A JP20518687 A JP 20518687A JP 20518687 A JP20518687 A JP 20518687A JP S6449437 A JPS6449437 A JP S6449437A
Authority
JP
Japan
Prior art keywords
transmission
converted
coaxial cable
signal frequency
reception
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20518687A
Other languages
Japanese (ja)
Inventor
Masajiro Kondo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP20518687A priority Critical patent/JPS6449437A/en
Publication of JPS6449437A publication Critical patent/JPS6449437A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)

Abstract

PURPOSE:To suppress deterioration in transmission by compensating amplitude inclination due to a coaxial cable, by constituting a device so that the polarity of a signal frequency-converted at a transmission part can be set oppositely to that of the signal frequency-converted at a reception part. CONSTITUTION:A transmission side is provided with a modulation part 1 and the transmission part 2, and those parts are connected by the coaxial cable 3, and also, a microwave is outputted from an antenna 4. Also, a reception side is provided with an antenna 5, the reception part 6, and a demodulation part 7, and connects those with the coaxial cable 8. In such a case, a local oscillatory frequency in the transmission part 2 is set differently from that in the reception part 6. And the polarity of the signal frequency-converted at the transmission part 2 is set oppositely from that of the signal frequency- converted at the reception part 6, and by passing the signals with opposite polarity with each other through the cables 3 and 8, the amplitude inclination due to the cables 3 and 8 can be offset. Therefore, it is possible to compensate the amplitude inclination in spite of difference in the kind or the length of the coaxial cable, and to suppress the deterioration in the transmission.
JP20518687A 1987-08-20 1987-08-20 Microwave communication equipment Pending JPS6449437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20518687A JPS6449437A (en) 1987-08-20 1987-08-20 Microwave communication equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20518687A JPS6449437A (en) 1987-08-20 1987-08-20 Microwave communication equipment

Publications (1)

Publication Number Publication Date
JPS6449437A true JPS6449437A (en) 1989-02-23

Family

ID=16502834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20518687A Pending JPS6449437A (en) 1987-08-20 1987-08-20 Microwave communication equipment

Country Status (1)

Country Link
JP (1) JPS6449437A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214787A (en) * 1990-08-31 1993-05-25 Karkota Jr Frank P Multiple audio channel broadcast system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214787A (en) * 1990-08-31 1993-05-25 Karkota Jr Frank P Multiple audio channel broadcast system

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