天津德力儀器設備有限公司

DSA8853T 地面數字電視頻譜分析儀

產品簡介

DSA8853T是在頻譜分析儀基礎上開發的地面數字電視頻譜分析儀器，它不但繼承了快速頻譜分析功能，而且提供了全面的地面模擬和數字電視分析功能。

功能特點
● 500kHz ~ 3000MHz實時頻譜分析
● 全面數字地面電視分析功能，如信道功率、帶肩測試、星座圖分析、回波分析等功能
● 支持DTMB(GB20600-2006)/CMMB/ATSC等制式信號分析，可兼容DVB-C制式

● 全面模擬電視分析分析功能，如電平、V/A、C/N、CSO/CTB、調制度、伴音頻偏分析等

● 便攜式、內置電池，適合室內外應用
● 中英文界面，操作簡單
● 內置網管接口，可以遠程操控；提供功能強大的管理軟件，進行數據統計分析和存儲

技術參數

???產品指標

頻率范圍	500kHz~3GHz
基準頻率誤差	±1×10－6 ( 內部時基標準 ) ±0.1×10－6 ( 選件 )
基準頻率溫度穩定度	±2×10－6 ( 0℃～＋50℃ )
頻率設定最小分辨率	1Hz
頻率計數器	分辨率1Hz
頻率掃寬	1kHz～1GHz或0Hz ( CW零掃寬 )
分辨率帶寬	1KHz - 3 MHz 1-3 步進 30Hz、100Hz、300Hz （選件）
相位噪聲	典型值＜ -120 dBc/Hz @連續信號偏移100kHz 典型值＜ -100 dBc/Hz @連續信號偏移10 kHz
顯示平均噪聲電平（無信號輸入，0dB 衰減，30 kHz RBW，100 Hz VBW，采樣值檢波）
放大器關閉	≤-105dBm，1MHz～1GHz 50Ω ≤-100dBm，1GHz～3GHz 50Ω
放大器打開	≤-115dBm，1MHz～1GHz 50Ω ≤-110dBm，1GHz～3GHz 50Ω
最大安全輸入電平	+30dBm(峰值功率/入口衰減>15dB) 100VDC
電平精度	±1.0dB@＋25℃±5℃
電平最小分辨率	0.01dB(55dB衰減器，5dB步進)
掃描時間	20mS～250S（掃描帶寬≠0） 20μS～250S（掃描帶寬=0）
DTMB (GB20600-2006)
數字信道功率	-93dBm～+20dBm
頻譜相關測試功能	功率 / 帶肩 / 頻譜模板 / 鄰道功率 / CCDF
解調測量項目	星座圖 / BER統計 / 回波圖等
支持帶寬	5MHz / 6MHz / 7MHz / 8MHz
調制誤碼率（MER）	C=1: 4QAM-NR, 4QAM, 16QAM, 32QAM >38dB C=3780: 4QAM, 16QAM, 64QAM >38dB
精度	3dB～26dB：±0.8dB 26dB～32dB：±1.2dB 32dB～38dB：±2.0dB
誤包率（PER）	1E-9～1E-3
CMMB
頻譜相關測試功能	功率，帶肩，頻譜模板，鄰道功率，CCDF
解調測量項目	星座圖，BER統計，回波圖等
調制誤碼率（MER）	>36dB
精度	3dB～26dB: ±0.8dB 26dB～36dB: ±1.2dB
誤包率（BLER）	1E-9 ～ 1E-3
8VSB
頻譜相關測試功能	功率，帶肩，頻譜模板，鄰道功率，CCDF
解調測量項目	星座圖，BER統計，帶內干擾等
調制誤碼率（MER）	>40dB
精度	3dB～26dB: ±0.8dB 26dB～32dB: ±1.2dB 32dB～40dB: ±2.0dB
誤包率（BER）	1E-9~1E-3

基本文件流程錯誤 SQL 調試

D:\wwwroot\deviser\wwwroot\index.php ( 1.55 KB )
D:\wwwroot\deviser\wwwroot\conf\uc_config.php ( 0.46 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\ThinkPHP.php ( 1.68 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Extend\Engine\cluster.php ( 1.76 KB )
D:\wwwroot\deviser\wwwroot\simplewind\IO\auto.php ( 1.30 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Common\runtime.php ( 9.49 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Common\common.php ( 24.70 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Think.class.php ( 11.14 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\ThinkException.class.php ( 0.76 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Behavior.class.php ( 1.66 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Conf\alias.php ( 1.13 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Conf\convention.php ( 9.03 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Conf\config.php ( 3.13 KB )
D:\wwwroot\deviser\wwwroot\conf\db.php ( 0.36 KB )
D:\wwwroot\deviser\wwwroot\conf\config.php ( 0.71 KB )
D:\wwwroot\deviser\wwwroot\data\conf\config.php ( 0.19 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lang\zh-cn.php ( 2.54 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Conf\tags.php ( 1.43 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Conf\tags.php ( 0.06 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Common\functions.php ( 27.53 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Log.class.php ( 4.59 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Dispatcher.class.php ( 11.32 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\App.class.php ( 12.26 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Action.class.php ( 14.76 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\View.class.php ( 8.06 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Common\common.php ( 16.93 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Conf\alias.php ( 1.13 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Conf\debug.php ( 1.70 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Conf\debug.php ( 0.15 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Common\extend.php ( 26.28 KB )
D:\wwwroot\deviser\wwwroot\application\Portal\Conf\config.php ( 0.49 KB )
D:\wwwroot\deviser\wwwroot\application\Portal\Common\function.php ( 8.13 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ReadHtmlCacheBehavior.class.php ( 5.36 KB )
D:\wwwroot\deviser\wwwroot\application\Portal\Action\ProductAction.class.php ( 7.11 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Lib\Action\HomeBaseAction.class.php ( 5.33 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Lib\Action\AppframeAction.class.php ( 4.37 KB )
D:\wwwroot\deviser\wwwroot\data\runtime\Data\site_options.php ( 0.51 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Model.class.php ( 52.78 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Core\Db.class.php ( 32.59 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Driver\Db\DbMysql.class.php ( 10.54 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Lib\Model\TermsModel.class.php ( 5.73 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Lib\Model\CommonModel.class.php ( 1.61 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ParseTemplateBehavior.class.php ( 5.79 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Template\ThinkTemplate.class.php ( 27.73 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Driver\TagLib\TagLibCx.class.php ( 23.72 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Template\TagLib.class.php ( 8.33 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Lib\Taglib\TagLibSpadmin.class.php ( 2.48 KB )
D:\wwwroot\deviser\wwwroot\data\runtime\Cache\Portal\3e9d4050adb3b9f80f999e4f49f023b7.php ( 21.40 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ContentReplaceBehavior.class.php ( 2.23 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\TokenBuildBehavior.class.php ( 2.45 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\WriteHtmlCacheBehavior.class.php ( 1.38 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ShowRuntimeBehavior.class.php ( 3.51 KB )
D:\wwwroot\deviser\wwwroot\simplewind\Core\Lib\Behavior\ShowPageTraceBehavior.class.php ( 5.39 KB )

SHOW COLUMNS FROM `sp_terms` [ RunTime:0.003566s ]
SELECT * FROM `sp_terms` WHERE ( status=1 ) ORDER BY listorder asc [ RunTime:0.008573s ]
SHOW COLUMNS FROM `sp_posts` [ RunTime:0.004603s ]
SELECT * FROM `sp_posts` right join sp_term_relationships on id=object_id WHERE ( status=1 ) ORDER BY post_modified desc [ RunTime:0.155232s ]
SELECT * FROM `sp_terms` WHERE ( status=1 and tuijian=1 ) ORDER BY listorder asc LIMIT 10 [ RunTime:0.001890s ]
SHOW COLUMNS FROM `sp_terms` [ RunTime:0.003699s ]
SELECT * FROM `sp_terms` WHERE ( term_id>0 ) ORDER BY term_id asc [ RunTime:0.005842s ]
SELECT * FROM `sp_terms` WHERE ( term_id=158 and status=1 ) LIMIT 1 [ RunTime:0.001345s ]
SELECT * FROM `sp_posts` right join sp_term_relationships on id=object_id WHERE ( status=1 and tid=179 ) ORDER BY post_modified desc [ RunTime:0.004559s ]
SELECT * FROM `sp_posts` right join sp_term_relationships on id=object_id WHERE ( status=1 and post_tuijian=1 ) ORDER BY post_modified desc LIMIT 4 [ RunTime:0.003933s ]
SELECT * FROM `sp_terms` WHERE ( parent=265 and status=1 ) [ RunTime:0.001706s ]
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SHOW COLUMNS FROM `sp_slide_cat` [ RunTime:0.002432s ]
SELECT * FROM `sp_slide_cat` LEFT JOIN sp_slide as b on sp_slide_cat.cid =b.slide_cid WHERE ( cat_idname='product-banner' ) [ RunTime:0.002131s ]
SELECT * FROM `sp_terms` WHERE ( parent='159' and status=1 ) ORDER BY term_id asc LIMIT 1 [ RunTime:0.001843s ]
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SELECT * FROM `sp_terms` WHERE ( parent='161' and status=1 ) ORDER BY term_id asc LIMIT 1 [ RunTime:0.001415s ]
SELECT * FROM `sp_terms` WHERE ( parent='166' and status=1 ) ORDER BY term_id asc LIMIT 1 [ RunTime:0.001715s ]
SELECT * FROM `sp_terms` WHERE ( parent='162' and status=1 ) ORDER BY term_id asc LIMIT 1 [ RunTime:0.001655s ]
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