供應(yīng)船用HX2600型航行警告接收機NAVTEX
一般要求
接收頻率
518KHz、490KHz、4209.5KHz、486KHz
可同時接收通道
雙通道(即一個接收機工作在518KHz通道,另一個接收機可以在490KHz/4209.5KHz、486KHz之間切換)。
靈敏度
有用信號電平在-107dBm時,誤碼率＜4%
選擇性抗干擾性能
阻塞抑制比:按照IEC61097-6標(biāo)準(zhǔn)規(guī)定頻率的強信號干擾下,收到有用信號誤碼率＜4%
同頻干擾抑制比:在同頻于(按照IEC61097-6標(biāo)準(zhǔn))收到有用信號誤碼率＜4%
互調(diào):在兩個不同干擾源的同時干擾下(按照IEC61097-6標(biāo)準(zhǔn)規(guī)定的頻率和電平)收到有用信號誤碼率＜4%
天線保護
在天線端加上無調(diào)制信號幅度30V(e.m.f)。
頻率范圍100kHz～28MHz,15分鐘之后設(shè)備仍可正常工作。
顯示器規(guī)格
800×480點陣154×85.9mm(7英寸彩色屏幕)
信息存儲功能
可存儲200條信息,平均每條信息500字符,存儲時間為60～72小時。被標(biāo)記信息可以永久保存,用戶不可自行刪除。
外部接口
一個打印輸出接口。
發(fā)聲報警
音量不小于75dBA～85dBA
電源
12V～24V DC
本技術(shù)條件的法規(guī)依據(jù)
IMO Resolution MSC 148(77),IEC 61097-6,IEC60945(2002)
General requirements
Receiving frequency
518KHz,490KHz,4209.5KHz,486KHz
Receive Channels simultaneously
Dual-channel(ie,a receiver operating in 518KHz channel, the other receiver can switch between the 490KHz/4209.50KHz,486KHz)
Sensitivity
Useful in -107dBm signal level ,the bit error rate less than or equal to 4%
Selective anti-jamming performance
Blocking rejection ratio: In accordance with IEC61097-6 standards for frequency of strong signal interference , the received useful signal bit error rate less than or equal to 4%;Co-channel interference rejection ratio: interfering sources in the same frequency interference (in accordance with IEC61097-6 standard) received useful information such as number of bit error rate of less than At 4%Intermodlation: At the same time two different sources of interference (in accordance with IEC61097-6 standards for frequency and level) received useful signal error Rate is less than or equal to 4%
Antenna protection
In the antenna signal with no modulation amplitude emf 30V.
Frequency range |
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