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Block downconverter - bdc
| Telecommunications Glossary |
Located at the antenna. the multi-conversion process of converting the entire band to an intermediate frequency (4 ghz to 1 ghz) for transmission to multiple receivers, where the next conversion takes place. the bdc receives the signals from the low noise amplifier (lna) and converts them from the extremely high 4 ghz range to a much lower range, usually around 1 ghz. this range glossary/10 is less critical to signal loss, and permits the use of inexpensive long-run cable to interconnect with the receiver. perhaps the biggest advantage of the bdc is the manner in which it handles the block of signals. it can be thought of as a passive device, converting and passing on to the receiver all of the channels on the satellite (of the selected polarity). this allows for the installation of multiple receivers through signal splitters, and simultaneous program viewing or taping. older installations used downconverters that operated on only one channel, tuned by the receiver. these downconverters converted the lna signals to 70 mhz, which provided considerable flexibility in quality and length of the connecting cables. the bdc method is used by ku- band systems and is also compatible with c-band receivers.
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Conversion, английский
- Transformation of a forest from one forest type to another, favoring a particular species or group of species through practices such as cutting, planting, or weeding.
- The wrongful assumption of ownership over the goods or personal property belonging to another
- Пересчет
- Преобразование, переход
- The process of changing one thing into another the conversion of nutrients into tissue
- Модернизация (напр., станка)
- N преобразование; кон- версия4 system speech to text ~ распознавание речи5 text to speech ~ синтез речи6 conversive a конверсивный transformation cooing n воркование 1 семантико-синтаксическая фигура речи, предполагающая пропуск среднего звена в трехзвенной цепочке с последовательным подчине- нием, например: зеленый шум вместо зеленого леса шум. 2 слово, значения которого противоположны друг другу; “aloha” – 1. hello 2. goodbye. 3 определенный договором или соглашением. 4 изменение частеречной принадлежности слова, производимая лишь изменением парадигмы; в языках с отсутствием склонения или спря- жения проявляется просто как употребление слова в функции другой части речи. 5 преобразование речи (произнесенных слов) в письменный текст. 6 преобразование письменного текста в речь, автоматическое звуко- вое воспроизведение компьютером потока текста. cooperative: ~ principle принцип кооперации7 coordinate a 1 сочиненный (о предложении ); 2 однородный coordinated a сочиненный construction, structure coordinating a сочинительный (ант. subordinating) conjunction
- Reducing a vessel by a deck, thereby converting a line-of-battle ship into a frigate, or a crank three-decker into a good two-decker; or a serviceable vessel into a hulk, resembling a prison or dungeon, internally and externally, as much as possible.
- An action by which a subscription (the source subscription) is replaced by a new subscription, both owned by the same billing account, along a preconfigured conversion path. the source subscription is canceled and the destination subscription is the new subscription.
- An action taken by a visitor to your public web site that results in a desired customer response, such as requesting more information or signing up for a newsletter.
- The process of changing from one form or format to another; where information is concerned, a changeover that affects form but not substance. types of conversion include data (changing the way information is represented), file (changing a file from one format to another), hardware (changing all or part of a computer system), media (transferring data from one storage media to another), software (changing a program designed for one platform so that it runs on another), and system (changing from one operating system to another).
- In the context of securities, refers to the exchange of a convertible security such as a bond into stock. in the context of mutual funds, refers to the free exchange of mutual fund shares from one fund to another in a single family.
- Изменение
- Energy shows itself in numerous ways, with transformations from one type to another called energy conversions. for example, kinetic energy in wind fl ows is captured as rotating shaft work further converted to electricity; solar light is converted into electricity by photovoltaic cells. also, electric currents of given characteristics (e.g., direct/ alternating, voltage level) are converted to currents with other characteristics. a converter is the equipment used to realize the conversion.
- When a user completes a desired action on a website. examples of conversions include:
- A conversion is any desired action taken on a website like a purchase, the completion of a contact form, and so on. unique conversions can be set up and tracked in google analytics for a website so one can see how many times these actions have been taken.
Converting, английский
Преобразование; конвертирование
Intermediate, английский
- Between two others.
- Промежуточный
- Промежуточное звено
- Chemical term for an igneous rock containing 54 to 62% silica and usually
Transmission, английский
- Passage of electromagnetic radiation through a medium.
- Transmisión
- The property in a merchantman, or a share therein, transmitted in
- Передача; привод; коробка передач; трансмиссия; прохождение; распространение ~ of loads передача нагрузок
- The transport of high voltage electricity. this is achieved with a transmission network (or grid). generally the network will connect large generators to lower voltage distribution networks where it will be transported to the majority of electricity consumers. alternatively, large scale electricity users may connect directly to the transmission network. management of transmission is a natural monopoly due to the economies of scale inherent to it. transmission system operator (tso) (also transmission network operator-
- The sending of information over a communications line or a circuit.
- The transportation of electric energy in bulk from a source or sources of supply to other systems or parts of a single system.
- Transfer of pathogens from one host to another
Interconnect, английский
- The connection of two or more cable systems. 2. the connection of a headend to its hubs.
- Межсоединение; подключение; непосредственное подключение (оборудования к коммутационному пункту кабельной подсистемы)
- A conductor within a module or other means of connection that provides an electrical interconnection between the solar cells.
- A private network that connects nodes in a cluster.
- A conductor within a module or other means of connection that provides an
Installation, английский
- Сооружение
- Setting up exhibit booth and materials according to instructions and drawings.
- The process of adding software to a computer system.
- Facilitating the acquisition of a new strategy or behaviour. a new strategy may be installed through some combination of nlp skills or techniques and/or any combination thereof.
- The act of connecting a customer to a network, e.g., telephone service.
- Введение в должность
Simultaneous, английский
- Одновременный
- A одновременный, синхронный component, interpreting
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Block-error rate, английский
The ratio of the number of blocks incorrectly received to the total number of blocks sent.
Blanking signal, английский
A specified series of blanking pulses.
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