SU108435A1 - Method of modulating telegraph pulses - Google Patents

Method of modulating telegraph pulses

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Publication number
SU108435A1
SU108435A1 SU566456A SU566456A SU108435A1 SU 108435 A1 SU108435 A1 SU 108435A1 SU 566456 A SU566456 A SU 566456A SU 566456 A SU566456 A SU 566456A SU 108435 A1 SU108435 A1 SU 108435A1
Authority
SU
USSR - Soviet Union
Prior art keywords
frequency
modulating
telegraph
pulses
carrier
Prior art date
Application number
SU566456A
Other languages
Russian (ru)
Inventor
А.М. Авакьянц
нц А.М. Авакь
Original Assignee
А.М. Авакьянц
нц А.М. Авакь
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 А.М. Авакьянц, нц А.М. Авакь filed Critical А.М. Авакьянц
Priority to SU566456A priority Critical patent/SU108435A1/en
Application granted granted Critical
Publication of SU108435A1 publication Critical patent/SU108435A1/en

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  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Description

В известных способах модул ции телеграфных импульсов, примен емых U системах с тональными иесуихими частотами, вследствие некратиостн частоты, модул ции с частотой манииул цни, фаза манипулируюн1 ,ен частоты, соответстВ} О1ца  началу и концу иосылок. может быть самой различной, меи  сь от О до 360 Это приводит к неременным иреобладани м сигналога но времени. Величина этих преобладаний зависит от скорости телеграфировани  и соотношени  частот несущего и модулирующего тока. Дл  устранени  таких иреобладаийи , ианример, при работе по радиос15 з м на относительно больИ1ИХ скорост х, приходитс  увеличивать частоту несущего тока до 4000 f4(. Практически это в р де случаев ириводит к необходимости примен ть специальные соединительные кабели между радиобюро и радиопередатчиком или к снижению величины несуще частоты и работе ири относительно больших , иревышаюии1Х нормы, преобладани х .In the known methods of modulating telegraph pulses, applied by U systems with tonal frequencies, due to non-frequency, modulation with a frequency of maniales, the phase is manipulated, en frequency, corresponding to the beginning and end of the sequence. may be the most varied, ranging from 0 to 360. This leads to an irreversible and prevailing signaling time. The magnitude of these dominances depends on the speed of wiring and the ratio of the frequencies of the carrier and modulating current. In order to eliminate such irebladium, and anrimer, when working by radio at 3–3 relatively high speeds, it is necessary to increase the frequency of the carrier current to 4000 f4 The values of the carrier frequency and the operation of the relatively large, prevailing 1X norms prevail.

Предложенный способ модул ции телеграфных импульсов в сисTeNiax с тональными несущими частотами оснонан на исключенин возможности по влени  самих преобладании .The proposed method of modulating telegraph pulses in the system SeNiax with tonal carrier frequencies is based on the exclusion of the possibility of the occurrence of the dominance themselves.

Дл  это1 цели частота несуп его тона.пьпого тока выбираетс  кратHoii частоте манипул ции передаваемых телеграфных сигналов. В это.м случае началу и концу .iioooii телеграфаоГ посылки соот;5етст15ует определенна  фаза тоиальио часТОТ1Л и, таким o6jia3OM, по.чностыо псключаетс  возможность возникнове1П1  переменных преобладаний. В качестве несун,ей частоты может б1.ггь использована одна из высн1их гармонических составл юпих частоты манппу.ч цип.For this purpose, the frequency of the failure of its tone. For current, the ratio HoI is chosen for the frequency of the manipulation of the transmitted telegraph signals. In this case, the beginning and end of the .iioooii telegraph parcel correspondingly; there is a definite phase of hyaloTOT1L and, thus o6jia3OM, moreover, the possibility of variable predominance arises. As a nasun, its frequency can be used. One of the highest harmonic components of the juniper frequency is a cue band.

П (1 е д м Q т п 3 о б р е т е ii и  P (1 edm Q tn 3 about a b ut e ii and

Способ модул ции телеграфных импульсов IS спстемах с тональными HecynuiMn частотамп, от л и ч а юnui il с   тем. что, с целью устрапени  пе|1емеппых преобладаний сигналов по времени и стабилизации фазы несущей частоты, соответст;;уюп ,ей началу и концу телеграфной посылки, несущую частоту выбирают кратной частоте манипул ции телеграфио1-о сигнала, в частности, равной одной из высИ1ИХ гармонических- составл юниих частоты манипул ции.The method of modulating telegraph pulses IS spstemah with tonal HecynuiMn tonal frequencies, from l and u nui il with that. that, in order to adjust the time predominance of signals and stabilize the phase of the carrier frequency, corresponding to the beginning and end of the telegraph package, the carrier frequency is selected as a multiple of the manipulation frequency of the telegraphic signal, in particular, equal to one of the highest harmonics - compiled uni frequency manipulation.

SU566456A 1957-02-11 1957-02-11 Method of modulating telegraph pulses SU108435A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU566456A SU108435A1 (en) 1957-02-11 1957-02-11 Method of modulating telegraph pulses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU566456A SU108435A1 (en) 1957-02-11 1957-02-11 Method of modulating telegraph pulses

Publications (1)

Publication Number Publication Date
SU108435A1 true SU108435A1 (en) 1957-11-30

Family

ID=48381548

Family Applications (1)

Application Number Title Priority Date Filing Date
SU566456A SU108435A1 (en) 1957-02-11 1957-02-11 Method of modulating telegraph pulses

Country Status (1)

Country Link
SU (1) SU108435A1 (en)

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