Term 术语 Definition 定义
electric submerged log
水下电子记录器
See LOG.
安装在船壳内侧的电子记录器,用管子穿过船壳深入到水中。
electromagnetic distance measurement (EDM)
电磁波测距
Any process or technique of distance measurement which depends on a comparison of SIGNALS by electromagnetic means.
(EDM)。利用电子波作为载波,测定发射波与回波的相位差或者时间差以测量距离的技术。
electromagnetic log
电磁计程仪
See LOG.
一种由脉冲电磁铁组成的计程仪,脉冲电磁铁安装在一个向下的传感器上,并与传感器有两个接触点。流... more
一种由脉冲电磁铁组成的计程仪,脉冲电磁铁安装在一个向下的传感器上,并与传感器有两个接触点。流动的水通过电磁场,并由接触点反射出来,产生的脉动电压进而转换成船舶速度。
electromagnetic position fixing
电磁波定位
Any process or technique of fixing which employs the properties of electromagnetic waves.
利用电磁波特性进行定位的技术。
electromagnetic wave
电磁波
See WAVE.
相关联的变化的电场和磁场以波的形式向前传播。电场和磁场相互垂直,电磁波传播方向垂直于电场和磁... more
相关联的变化的电场和磁场以波的形式向前传播。电场和磁场相互垂直,电磁波传播方向垂直于电场和磁场构成的平面。如果在整个传播路径上电磁波相位-时间关系是固定的,那么该电磁波是相干的。
electrometeor
大气电现象
Visible or audible manifestation of atmospheric electricity, either corresponding to discontinuous electrical discharges (LIGHTNING, THUNDER... more
Visible or audible manifestation of atmospheric electricity, either corresponding to discontinuous electrical discharges (LIGHTNING, THUNDER) or occurring as more or less continuous PHENOMENA (SAINT ELMO'S FIRE, POLAR AURORA).
可见或者可闻的大气电的表现形式,可以是大气不连续的放电(闪电,雷),也可以是几乎连续的现象(... more
可见或者可闻的大气电的表现形式,可以是大气不连续的放电(闪电,雷),也可以是几乎连续的现象(尖端放电、极光)。
electronic chart
电子海图
A very broad term to describe the DATA, the SOFTWARE, and sometimes the electronic system, capable of display­ing CHART information.
内涵非常广泛的术语,用来描述数据、软件,有时还用来描述显示海图信息的电子系统。
Electronic chart display and information system (ECDIS)
电子海图显示与信息系统
The navigation information system which is considered the legal equivalent of the nautical chart, displaying selected informa­tion from an ... more
The navigation information system which is considered the legal equivalent of the nautical chart, displaying selected informa­tion from an electronic navigation chart (ENC) integrated with data from positional and, optionally, other sensors.
电子海图显示与信息系统(ECDIS)是一种具备适当备份措施的航海信息系统,可替代满足1974 年国际海上人... more
电子海图显示与信息系统(ECDIS)是一种具备适当备份措施的航海信息系统,可替代满足1974 年国际海上人命安全条约第五章第二十条要求的改正至最新的纸海图。其依靠显示从系统电子航海图(SENC)中选择的信息和从导航传感器获取的位置信息,帮助航海人员进行航线规化和航行监视,还可根据需要显示其它与航海有关的信息。 
electronic data processing
电子数据处理
In a COMPUTER, data processing performed largely or exclusively on electronic equipment.
在一台计算机上,数据处理工作大部分或者完全在电子设备上进行。
electronic distance-measuring equipment (EDM)
电子测距设备
Devices that measure the phase difference between transmitted and returned (i.e. reflected or retransmitted) ELECTROMAGNETIC WAVES, of known... more
Devices that measure the phase difference between transmitted and returned (i.e. reflected or retransmitted) ELECTROMAGNETIC WAVES, of known FREQUENCY and SPEED, or the round-trip transit time of a pulsed SIGNAL, from which distance is computed. A wide range of such equipment is available for surveying and navigational use. Also called distance measuring equipment (DME).
(EDM)。测量已知频率和速度的发射波和返回波之间的相位差或者脉冲信号的往返传播时间,并以此计算... more
(EDM)。测量已知频率和速度的发射波和返回波之间的相位差或者脉冲信号的往返传播时间,并以此计算距离的设备。大量的电子测距设备用于测量和航海。也称之为distance measuring equipment(测距装置),DME。
electronic line of position
电子定位线,电子测位线
A LINE OF POSITION established by means of electronic equipment.
利用电子设备确定的位置线。
electronic navigation
电子导航
See NAVIGATION.
使用电子设备导航。电子导航表达的内容比无线电导航更加广泛,因为它包含利用任何电子设备或者工具... more
使用电子设备导航。电子导航表达的内容比无线电导航更加广泛,因为它包含利用任何电子设备或者工具的导航。
electronic navigation station
电子导航基站
See STATION.
发射无线电信号的基站,用于电子导航系统中。
electronic navigational chart (ENC)
NULL
1. An electronic navigational chart is a subset of the electronic chart data base held on the vessel. It contains information on features us... more
1. An electronic navigational chart is a subset of the electronic chart data base held on the vessel. It contains information on features useful for navigation such as coastline, obstructions, beacons etc. 2. The digital data base that is intended to be used in conjunction with ECDIS. Standardized as to content, structure and format the ENC may contain supplementary nautical information useful for safe navigation. The ENC is a subset of the master data base of chart information.
NULL
electronic plotting sheet
电子定位图
See PLOTTING SHEET.
表示圆-圆定位或者双曲线定位系统时间差或者相位差的图表。这些格网线用于精确地定位在海道测量或者... more
表示圆-圆定位或者双曲线定位系统时间差或者相位差的图表。这些格网线用于精确地定位在海道测量或者海洋测量中采集的数据。
electronic telemeter
电子测距仪
See TELEMETER.
一种用来测量发射的电磁脉冲和返回的电子脉冲(已知频率和速度)之间的相位差或者传播时间电子设备... more
一种用来测量发射的电磁脉冲和返回的电子脉冲(已知频率和速度)之间的相位差或者传播时间电子设备。
electro-optical distance measurement (EODM)
光电测距
Any method of electromagnetic distance measurement based on a comparison of light signals.
(EODM)。任何以光信号的比较为基础的电磁波测距的方法。
electrostriction
电致伸缩
Term applied to the creation of elastic tension and changes of shape and volume of an uncharged isolator by an electrical field.
在电场作用下没有任何负载的绝缘体发生弹性伸缩和形状、体积变化的现象。
electrotape
电子测距尺
A trade name for a precise electronic distance measuring device operating on the same principle as the Tellurometer. Originally designated a... more
A trade name for a precise electronic distance measuring device operating on the same principle as the Tellurometer. Originally designated as micro-dist.
一种精密的电子测距设备的名称,工作原理同微波测距仪。
elevated pole
仰极,上天极
See POLE.
在水平面上方同观测者纬度同名的天极。