navigation n. 1.航行;導(dǎo)航;領(lǐng)航;航海[航空]術(shù)。 2.〔集合詞〕船。 3.〔古語(yǔ)〕航路;海上交通。 aerial navigation 空中航行。 inland navigation 內(nèi)河航行。 astro navigation 宇宙航行;天文導(dǎo)航。 blind navigation 儀表導(dǎo)航。 the N- Acts 〔英國(guó)〕航海條例。 There has been an increase in navigation through the canal. 通過那條運(yùn)河的船數(shù)增多了。 adj. -al
signal n. 1.信號(hào),暗號(hào);信號(hào)器。 2.動(dòng)機(jī),導(dǎo)火線 (for)。 3.預(yù)兆,征象。 call signal 【無線電】呼號(hào)。 an alarm signal 警報(bào)(器)。 an information signal 〔美國(guó)〕暴風(fēng)警報(bào)(旗)。 an international code of signals 國(guó)際通用信號(hào)。 a signal of distress =a distress signal 船只失事信號(hào)。 adj. 1.暗號(hào)的,作信號(hào)用的。 2.顯著的,非常的,優(yōu)越的。 a signal victory [defeat] 大勝[敗]。 vt.,vi. (〔英國(guó)〕 -ll-) 發(fā)信號(hào)[警報(bào)]給(人、船等);用信號(hào)[警報(bào)]通知(暴風(fēng)、危險(xiǎn)等);用動(dòng)作[手勢(shì)]示意;預(yù)示。 a signaling bomb 信號(hào)彈。
aids to navigation 導(dǎo)航設(shè)備; 導(dǎo)航設(shè)施; 航標(biāo)(又稱“助航標(biāo)志”); 航行標(biāo)志; 助航標(biāo)志助航設(shè)備助航設(shè)施; 助航設(shè)施
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例句與用法
Chapter studies the detection and acqusition of satellite navigation signal 第五章研究gps信號(hào)檢測(cè)及捕獲問題。
Effect of atmosphere on satellite navigation signal delay and correction method 大氣層對(duì)衛(wèi)星導(dǎo)航信號(hào)的時(shí)延影響及修正
Sync on time in underwater topographic measurement using navigation signal from gps receiver 實(shí)時(shí)動(dòng)態(tài)測(cè)量在故縣水庫(kù)水下地形測(cè)量中的應(yīng)用
The study on the development of gps satellite navigation signal system and the comparison of design 衛(wèi)星導(dǎo)航信號(hào)體制的發(fā)展和設(shè)計(jì)比較研究
Considering characteristics of radio propagating offshore and flexibility of radio area navigation system , when distance is less than 1000km , center frequency of navigation signal should be chosen in 2mhz 綜合考慮電波海上傳播特性和陸基區(qū)域無線電導(dǎo)航系統(tǒng)的機(jī)動(dòng)性,在海上作用距離不超過1000km時(shí),導(dǎo)航信號(hào)中心頻率采用2mhz頻段。
Magnetic marker buried in the road can be used as navigation signals , this signals are collected by build - in - vehicle sensor and are sent to the build - in - vehicle computer , the computer processed and sent instruction or command , automatic running of driverless vehicles can be realized by the steering wheel servo mechanism which connects with step motor 通過埋設(shè)在道路上的磁道釘作為車輛控制的誘導(dǎo)信號(hào),由車載傳感器進(jìn)行信號(hào)的采集,把采集到的數(shù)據(jù)信息傳送到車載計(jì)算機(jī)中,通過車載計(jì)算機(jī)的處理,發(fā)出執(zhí)行指令,利用步進(jìn)電機(jī)連接的方向盤伺服機(jī)構(gòu)以實(shí)現(xiàn)車輛在無人駕駛的情況下保持車道的正常運(yùn)行。
9 inspect the amount , arrangement , fixing position of the signal equipment ( inspect all kinds of signal equipment according to “ navigation signal arrangement and mast structure drawing ” “ safe drawing ” ( such as signal light , signal shape things , signal flag , pyrotechnic signal , self igniting light of lifebuoy , sound signal etc ) whether satisfy finished plan , and check the qualified certificate of this equipment before and after installation on the ship 信號(hào)設(shè)備的檢驗(yàn)與試驗(yàn)(按照《航行信號(hào)布置及桅桿結(jié)構(gòu)圖》 , 《安全圖》 )檢查各種信號(hào)設(shè)備(如信號(hào)燈、信號(hào)形狀用品、信號(hào)旗、煙火信號(hào)、救生圈的自亮燈、聲音信號(hào)等)的數(shù)量、布置、安裝位置是否滿足設(shè)計(jì)的完工圖紙,并在安裝到船上之前和之后檢查這些設(shè)備的質(zhì)量合格證。
Ncaps is a novel satellite navigation system presented by scientists of cas recently , which is based on the prin ciple that the land control station transmits the navigation signals via communication satellites , other than special navigation satellites , to the ncaps receivers , in which the received signals are processed to obtain its detailed positioning information 空基導(dǎo)航系統(tǒng)代表有美國(guó)的gps和俄國(guó)的glonass衛(wèi)星導(dǎo)航系統(tǒng)。 ncaps系統(tǒng)是我國(guó)科學(xué)家最近提出的一種新的衛(wèi)星導(dǎo)航系統(tǒng)。其主要原理是:地面控制站利用通信衛(wèi)星(而不是專用的導(dǎo)航衛(wèi)星)轉(zhuǎn)發(fā)導(dǎo)航電文給接收機(jī),接收機(jī)利用導(dǎo)航電文解算出本地位置。
The optimization weight and performance of adaptive array is discussed . then , based on the characteristic of navigation signal , the figure and algorithm of adaptive array are improve on , which has a superior performance on cr and a little inferior on sinr compared with optimization weight adaptive array 首先分析了自適應(yīng)陣最優(yōu)權(quán)值和性能,進(jìn)而根據(jù)衛(wèi)星導(dǎo)航信號(hào)極弱的特點(diǎn),改進(jìn)了基于特征結(jié)構(gòu)子空間的自適應(yīng)陣結(jié)構(gòu),應(yīng)用于導(dǎo)航信號(hào)干擾抑制,與最佳權(quán)值自適應(yīng)陣相比,在干擾抑制性能上優(yōu)于前者。