[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8OqhZqmhJOofyzKW5a0E7J_3xYbx038C5x-ZCrB2Vx4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-10-25 19:50:35",101519978,[8,9,10,11],"距离分辨力","距离误差","方位分辨力","方位误差",{"courseId":13,"courseImg":14,"courseName":15},"22d30d648313b31d60a008ec64746e39","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F764933e99a6ce0cdaec1a29705f94497.jpg","船舶导航雷达","雷达的波导隙缝天线水平方向长短,将影响雷达",[18,30,40,50,60,70,73,83,93,102],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-10-25 19:55:48",101519969,[23,24,25,26],"强海浪干扰","其它三项都可能","某种假回波","雨雪干扰","在雷达荧光屏中心附近出现的圆盘状亮斑回波,越往外越弱,它是","v1",0,{"answer":31,"createTime":32,"id":33,"options":34,"question":39,"source":28,"type":29},[],"2023-11-08 07:29:37",101519971,[35,36,37,38],"近距离目标:长.短脉","远距离目标:调谐","近距离目标;海浪抑制","远距离目标:海浪抑制","当船舶航行于大风浪水域时,____进行雷达观测,应引起特别警觉的情况是___",{"answer":41,"createTime":42,"id":43,"options":44,"question":49,"source":28,"type":29},[],"2023-11-09 01:10:27",101519973,[45,46,47,48],"船首向上相对运动显示方式","对水真运动显示方式","对地真运动显示方式","北向上相对运动显示方式","扫描中心在荧光屏上按本船的航向和速度运动,船速信号由模拟速度输入,雷达图像反映了船舶、物标相对海底的运动情况,这种显示方式称",{"answer":51,"createTime":52,"id":53,"options":54,"question":59,"source":28,"type":29},[],"2023-10-27 20:14:21",101519975,[55,56,57,58],"选用具有2°水平波束宽度的X波段雷达","选用具有1.2微秒以下脉冲宽度的量程","选用具有1°水平波束宽度的X波段雷达","选用具有0.8微秒以下脉冲宽度的量程","本船前方同一方位上有两艘小船,相距120m,若要在雷达荧光屏上分开显示他们的回波,操作正确的是",{"answer":61,"createTime":62,"id":63,"options":64,"question":69,"source":28,"type":29},[],"2023-11-08 18:39:43",101519976,[65,66,67,68],"增强雨雪干扰抑制","使用回波增强功能","增强海浪干扰抑制","适当使用Gain","为了提高雷达的距离分辨力,可以",{"answer":71,"createTime":5,"id":6,"options":72,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":74,"createTime":75,"id":76,"options":77,"question":82,"source":28,"type":29},[],"2023-10-25 19:09:47",101519980,[78,79,80,81],"海域有风流影响","本船转向或变速了","目标船转向或变速了","目标船和本船都转向了","雷达采用RM\u002FRV显示方式,发现仅某一目标的历史轨迹与矢量线的方向不一致,说明",{"answer":84,"createTime":85,"id":86,"options":87,"question":92,"source":28,"type":29},[],"2023-11-08 07:29:35",101519982,[88,89,90,91],"距离高度","平面位置","方位仰角","方位高度","船用导航雷达的显示器属于一种_____显示器",{"answer":94,"createTime":32,"id":95,"options":96,"question":101,"source":28,"type":29},[],101519984,[97,98,99,100],"用电子方位线与回波同侧内缘相切","用电子方位线与回波异侧内缘相切","用电子方位线与回波异侧外缘相切","用电子方位线与回波同侧外缘相切","雷达测量大目标方位时,为消除CRT光点直径对回波的扩大效应,应该",{"answer":103,"createTime":104,"id":105,"options":106,"question":111,"source":28,"type":29},[],"2023-11-08 06:19:35",101519986,[107,108,109,110],"16;GAIN","10;FTC","8;STC","12;TUNE","对性能较好的船用雷达,海浪回波可显示的距离是____海里可用____旋钮来抑制它"]