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Jamming - Wikipedia
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Jamming(Jam Inge)
In this item, I describe the jamming about the electric wave. Look at "jam" (vagueness evasion) about other jamming.
The chaff launcher which is equipped with by EF-111A raven electron military secret EA-18G bizarrerie ura electron military secret escort ship
I spray aluminum foil and disturb a radar.
Jamming (English:) I point to hanging 妨碍(Interference plan) in the broadcast (mainly international broadcasting) that I send the electric wave of the same frequency that is different from it or the frequency band for an electric wave causing an interference or electric wave disorder namely regular electric wave communication with) with Jamming, jamming and the Jammer, and it is an electric wave doing 妨碍(Interference plan) or does not want to show authorized communication to the own nation.
Radiobroadcast is the center, but can be television broadcast.
In the military field, let disturb the electric wave which the wireless communication facilities such as radars deliver, and is normal; point to that prevent you from being able to communicate.
I call the plane which was made to meet this purpose electronic military secret.
In addition, I may point to the act that 妨碍(Interference plan) does the instruction electric waves of the guided weapons such as missiles and neutralizes (妨碍-Interference plan of the optical instruction means such as this case, laser is included).
Main things include the following.
Follow the public morals of the place of the thing (in 妨碍-Interference plan from the power structure for broadcast (guerrilla broadcast) under the ground, reverse electric wave Jack from anti-government power for the national broadcasting) community by the political reason; and a thing (as for the regulation for the cell-phone.) for crime prevention
But) which such a use is severe legally, and is limited
[editing] main jamming
[editing] the past
It was old, and, during World War II (Greater East Asia War), the United States carried out shortwave broadcasting from the mainland U.S. by voice broadcast (Voice of America, VOA) for Japan (Great Japanese Empire) of America, but the Japan authorities hung jamming in this for this.
However, I carried out medium-wave broadcasting when U.S. forces occupied Saipan in 1944.
This is because I was able to receive even a normal radio receiver in those days if (by "all-wave receiver control Seki through matter" having been notified about in March, 1936) that to possess a shortwave radio (radio) was illegal is medium-wave broadcasting.
※The notification of "the all-wave receiver control Seki through matter" continues by "all shortwave radio Seki through matters" to corporate judicial person Japanese Broadcasting Corporation's chairperson having been notified about in postwar October, 1945 by the Tokyo communication station until the prohibition measures of all short wave reception facilities are canceled.
RAE (national broadcasting in Argentina) for Japan was sent to short wave 9,690kHz, but the reception of RAE was very difficult because I started 中央広播電台(Central - wide area - delivery electric stand) for continents (the People's Republic of China) at the (the Republic of China) same frequency of Taiwan, and a large landside hung jamming in this.
North Korea submitted jamming to the first KBS radio soul station of Korea (medium frequency 711kHz and short wave 3,930kHz).
North Korea might submit jamming to Korean broadcast of NHK world radio Japan which was international broadcasting of NHK.
The excitement of the contents was considered to be a problem for sexy all night broadcasted in a radio short wave (existing radio NIKKEI) from October, 1982 to March, 1984, or jamming was hung in an overseas part.
When a story amounted to sexually close contents, jamming suffered from even a night program of the medium frequency from somewhere suddenly, and it was frequent at that time that jamming stopped when the story was over.
As of [editing]
The Chinese government, 中央人民広播電台(Central - wide area - delivery electric stand Chaina) performs jamming using Beijing opera music (so-called fire dragon) in Chinese broadcast such as BBC, VOA, RFA, RTI.
North Korea carries out Korea center TV (Korea education culture TV) for Korea with the eighth Korean channel, but Korea hangs jamming in this.
North Korea has begun to perform jamming to shortwave broadcasting "sea breeze" (5,890kHz) for North Korean abductees who were private administration from May 5, 2006.
This frequency transmits a message while being abolished, and changing frequency (one of broadcast 5,955kHz 5,965kHz 6,045kHz now first April 9, 2011 from Japan, one of second broadcast 5,985kHz 6,020kHz 6,135kHz), but is made all jamming afterwards.
In addition, it continues being performed shortwave broadcasting "wind with the oldness" by the Japanese Government which I am late for "the sea breeze" for the purpose of a product for abductees of the government authorization mainly, and was opened of jamming about each cycle (Korean broadcast "Irtboneaparam") as of September 30, 2012.
With a case performing "the jamming for the cell-phone" for the purpose of prevention such as the noise in a concert hall or a library, medical facilities [1].
Because it is considered to be the setting of the radio station, permission of general Communication Bureau is necessary, and the practice in the impermissibility becomes the Wireless Telegraphy Act violation including an attempt, and such an act becomes a target of the punishment.
The permission will be limited to a concert hall and the facilities which order drags as a policy of Ministry of Internal Affairs and Communications particularly does the permission of the mobile station when I cannot almost acquire it.
In December, 2008, Kanto synthesis Communication Bureau licensed the radio station which controlled the call of the cell-phone in ATM (automated-teller machine) [2].
This corresponds to the device which Chiba Bank introduced for wire fraud measures experimentally.
Information control by the jamming that I did a conclave for the first time in history was performed for reasons of the social introduction of IT or the development of the wiretapping technology in the conclave of 2005 in house of St. Malta and cis Teena chapel.
[editing] a footnote
^ "cell-phone restraint device tele pose SP." Macross Japan .2011 years July 18 reading.
I license an experiment examination station restraining the call of the ^ cell-phone (Ministry of Internal Affairs and Communications Kanto synthesis Communication Bureau)
[editing] an item concerned
Broadcast under the ground
Harmful activity to Japan
International broadcasting
Communication facility restraint device
Electric wave Jack
[editing] an outside link
Association of general VCCI (electric wave disorder self-imposed restraint meetings such as old information processing devices) cell-phone restraint device tele pose SP Foundation
It is an acquisition category from "http://ja.wikipedia.org/w/index.php?title= jamming &oldid=46274235":
Broadcast
Radio
Electromagnetic wave
The tactics
Crime
