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�(chǎn)品中�您的位置��(wǎng)站首� > �(chǎn)品中� > > COFDM無線移動(dòng)視頻傳輸 > 移動(dòng)車載無線視頻傳輸�(shè)� > cofdm�(shù)字車載圖傳系�(tǒng)
cofdm數(shù)字車載圖傳系統(tǒng)

cofdm�(shù)字車載圖傳系�(tǒng)

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�(chǎn)品型�(hào)�                                                                                                                                                               

 

VFD-8000HD車載高清移動(dòng)式視頻圖傳設(shè)備(非視距傳�5-8公里,視距傳�30公里�

 

�(chǎn)品應(yīng)用:                                                                                                                                                               

 

cofdm�(shù)字移�(dòng)車載圖傳系統(tǒng)用于公安、消防� 交警、人防應(yīng)�、城管執(zhí)法、環(huán)保監(jiān)�、三防應(yīng)急、水利防�、電力搶�(xiǎn)、鐵路搶�(xiǎn)、海事執(zhí)�、海�(jiān)巡查、海�(guān)邊防、碼頭監(jiān)�、森林防�、油田防盜、軍事偵�、電視轉(zhuǎn)播等. 適合城區(qū)、海�、山地等多種�(fù)雜環(huán)境中高質(zhì)量圖像的�(shí)�(shí)移動(dòng)傳輸�
適合高速數(shù)�(jù)傳輸,速率一般大�2Mbps ,滿足高�(zhì)量視音頻的傳� 。高�(zhì)量的視音頻除�(duì)攝像�(jī)的要求外,對(duì)編碼�、信道速率要求十分��

車到�、船到船、車到固定點(diǎn)、船到固定點(diǎn)、飛�(jī)到固定點(diǎn),遠(yuǎn)距離高清晰圖像傳�,也可用作遠(yuǎn)距離圖像中繼,配合全向高增益天線,通視條件下傳輸距離可�(dá)30公里�

 

�(chǎn)品實(shí)圖:                                                                                                                                                               

 

 

 

�(chǎn)品描述:                                                                                                                                                               
 

COFDM 技�(shù)每�(gè)子載波可以選QPSK � 16QAM � 64QAM 等高速調(diào)�,合成后的信道速率一般均大于2M bps 。因�,可以傳� MPEG-2 � 4:2:0 � 4:2:2 等高�(zhì)量編解碼,接收端圖像分辨率可�(dá)� 576×720 �480×720 ,滿足后期分�、存�(chǔ)、編輯等要求�

 

�(chǎn)品特性:                                                                                                                                                               

 

l         高速移�(dòng)和多徑干擾下可穩(wěn)定的傳輸�、視頻信�(hào)              

l         高質(zhì)量的�(shù)字視頻處理視頻編解碼�DVD的畫�

l         系統(tǒng)可在多種�(fù)雜的氣候條件下傳輸

l         在復(fù)雜電磁環(huán)境中具有�(yōu)異的抗干擾性能

l         �(qiáng)大的非視距傳輸能�

l         具有空間分集接收能力

l         具有很嚴(yán)密的加密方式

l         頻率、帶�、碼流可�(diào)

l         �(biāo)�(zhǔn)�(jī)架式、方便安�

l         可實(shí)�(xiàn)單向圖像、單/雙向語音、反向控制云�(tái)等功�

l         頻率適用范圍�

 

技�(shù)參數(shù)�                                                                                                                                                               
 

 

l         工作頻段� 300MHz�900MHz,頻率可�(diào)                                 

l         輸出功率� 10�20W          

l         �(diào)制方式:COFDM 2K QPSK/TDS-OFDM                             

l         通道帶寬�1.25/2/4/6/8MHz(可調(diào))                      

l         碼流0.8Mbps10Mbps                                                             

l         符合MPEG-2�MPEG-4H.264技�(shù)�(biāo)�(zhǔn)                      

l         視頻輸入�PAL/NTSC                                                               

l         提供一路或多路�、視頻輸�

l         端到端延�(shí)�40ms                                                                 

l         誤碼率:≤10-6

l         音視頻數(shù)�(jù)格式�MPEG-2MPEG-4 @ ML 4:2:0               

l         音頻輸入:左右聲道  

l         傳輸距離:機(jī)載使用>50公里 ;海事應(yīng)� �30公里;城區(qū)�(yīng)用>7公里;郊區(qū)�(yīng)�>15公里 視現(xiàn)場環(huán)境而定

l         圖像清晰度:傳輸速率�25/s�(shí),分辨率不低于1920×1080 ?

l       �(fā)射天線:全向天線

l         使用方式:車�、機(jī)載等                                                           

l         FEC Viterbi 1/2�2/3�3/4             

l         保護(hù)間隔� 1/32�1/161/8�1/4                                           

l         用戶可以自行�(shè)定加密(選配�                                               

l         DB9(串口1)用于�(diào)節(jié)帶寬、碼�

l         雙向語音(可定制�                                                                         

l         可提�RS232�485�(shù)�(jù)接口(可選)

l         DB9(串�2)用來控�GPS定位                                            

l         一�SDI接口(廣電行�(yè),選配)

l         一�ASI接口(廣電行�(yè),選配)                                             

l         供電�AC220V/DC12V

l         前面板提供三�(gè)指示�;電源指�、功率指示、視頻指�      

l         重量� 3.0kg 

l         外形�1U/2U,19英寸�(jī)�                                                                 

l         可反向控制云�(tái)(可選)

l         尺寸� 480mm×340mm×90mm(L × W ×H)                          

l         工作�(huán)境:溫度�-3070  相對(duì)濕度�90                        

l         保存�(huán)境:溫度: -4080  相對(duì)濕度�90

 

�(chǎn)品拓�(bǔ)圖:                                                                                                                                                           

 

 

 

 

 

 

 

 

 

 

 

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