供應(yīng)船用HX2600型航行警告接收機(jī)N***TEX
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(jī)工作在518KHz通道,另一個接收機(jī)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***比:按照IEC61097-6標(biāo)準(zhǔn)規(guī)定頻率的強(qiáng)信號干擾下,收到有用信號誤碼率＜4%
   同頻干擾***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(hù)
   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(diǎn)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***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(bào)警
      音量不小于75dBA～85dBA
電源
      12V～24V DC
本技術(shù)條件的***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 standa*** 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 standa*** 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 of 100KHz～28MHz,15 minutes after the device can still work
Display Specificati***
     240×128 dot matrix 144mm×104mm
Information storage
     Can store 200 messages, with an ***erage of 500 characters each message, the storage time is 60～72 hours. Information can  be  stored  permanently  marked  with  users  can  not manually delete them.
External Interface
     A print output
Andible alarm
     Volume of not less than 75dBA～85dBA
Power
     12V～24VDC
      The method according to technical requirements of the regulati*** IMO Resolution MSC148(77).IEC 61097-6,IEC60945(2002)