超声图像故障现象

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                    <p style="line-height: 2em;">&nbsp;&nbsp;（1）①超声图像显示不全；②在特殊方式，超声图像显示不全；③超声图像仅仅在线阵（凸阵）扫描方式显示不全；④超声图像显示不全仅指机械扇扫方式；⑤超声图像显示不全仅指电子扇扫方式（本仪器无电子扇扫）；⑥在多幅超声图像显示中仅特殊超声图像不显示。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（2）超声图像区域的显示变成白色。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（3）①干扰点或线被显示在超声图像区；②有规则的行或垂直条纹被显示在超声图像区。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（4）①在线阵（凸阵）方式显示的超声回波信号欠佳；②在机械扇扫方式显示的超声回波信号欠佳；③在电子扇扫方式显示的无回波信号欠佳。</p><p style="line-height: 2em;">&nbsp;<br  />&nbsp;&nbsp;（5）①在线阵（凸阵）方式、超声图像上有噪点干扰；②在机械扇扫方式，超声图像上有噪点干扰；③在电子扇扫方式，超声图像上有噪点干扰；④在各种扫描方式的超声图像上都有噪点干扰。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（6）①在线阵扫描方式，超声图像的灵敏度低；②在机械扇扫方式下，超声图像的灵敏度低；③在电子扇扫方式下，超声图像的灵敏度低；④在所有超声扫描方式，超声图像的灵敏度低。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（7）同样深度的超声图像中亮度不同。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（8）①超声图像改变如增强、无层次、图像变得模糊或其它类似的图像；②在机械（电子）扇扫、凸阵扫描中，超声图像上有波纹干扰。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（9）超声图像的形状显示不正常。&nbsp;</p><p style="line-height: 2em;"><br  />&nbsp;&nbsp;（10）①在线阵（凸阵）扫描方式中，无用的多倍的超声图像被显示；②在机械扇扫方式中，无用的多倍的超声图像被显示；③在电子扇扫方式中，无用的多倍的超声图像被显示。</p><p style="line-height: 2em;"><br  /></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-family: Arial, Verdana, sans-serif; font-size: 14px; line-height: 24px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(249, 249, 249);">广州市设备维修有限公司</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银利茶叶博览中心E栋4楼E4030室 &nbsp; &nbsp; &nbsp; 邮编：510507</span></p><p style="max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; 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