供應(yīng)船用HX2600型航行警告接收機(jī)NAVTEX

一般要求

接收頻率

   518KHz、490KHz、4209.5KHz、486KHz

可同時(shí)接收通道

   雙通道(即一個(gè)接收機(jī)工作在518KHz通道,另一個(gè)接收機(jī)可以在490KHz/4209.5KHz、486KHz之間切換)。

靈敏度

   有用信號(hào)電平在-107dBm時(shí),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(qiáng)信號(hào)干擾下,收到有用信號(hào)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(hào)誤碼率＜4%

   互調(diào):在兩個(gè)不同干擾源的同時(shí)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(hào)誤碼率＜4% 

天線保護(hù)

   在天線端加上無調(diào)制信號(hào)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(chǔ)功能

      可存儲(chǔ)200條信息,平均每條信息500字符,存儲(chǔ)時(shí)間為60～72小時(shí)。被標(biāo)記信息可以保存,用戶不可自行刪除。

外部接口

      一個(gè)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 of 100KHz～28MHz,15 minutes after the device can still work

Display Specifications

     240×128 dot matrix 144mm×104mm

Information storage

     Can store 200 messages, with an average 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 regulations IMO Resolution MSC148(77).IEC 61097-6,IEC60945(2002)