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normal style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: justify">PCI 4比特2信道模/数、数/模转换公用插卡 控制盒 (含功率放大 MIC幻像电源与前置放大
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normal style="MARGIN: 0cm 0cm 0pt">DAAS ( Digital Audio Analyrer system ) 是德国Adm Engineering 公司专门针对音响厂家作为产品的设计、开发、品质控制,而开发的一套基于PC平台的数字音频测量分析系统。分为DAA3L、DAAS32Pro、DAAS4usb三个系列。它利用16比特或24比特D/A和A/D转换器产生测试信号并进行计算、测试界面由图形曲线、标题栏与信息栏组成,简洁直观测试功能强大实用:
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normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left> normal style="PADDING-RIGHT: 7.2pt; PADDING-LEFT: 7.2pt; PADDING-BOTTOM: 3.6pt; MARGIN: 0cm 0cm 0pt; PADDING-TOP: 3.6pt" align=left v:shape="_x0000_s1026">
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 30pt; mso-char-indent-count: 3.0; mso-char-indent-size: 10.0pt" align=left>位转换,产生信号与执行测试
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■频率与阻抗测量频率可调节分辨率
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■频率与阻抗曲线相位计算与自动延迟修正
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■声学测量线除相位修正
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■群延时线除相位群延时计算
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■瞬态响应与累积频谱衰减(瀑布图)
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■频率响应曲线自由音场修正
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■任意内部信号频率的失真测量
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■外来信号的失真测量
normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 20pt; mso-char-indent-count: 2.0; mso-char-indent-size: 10.0pt" align=left>■失真与频率、电平评估
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