測距盲區 的英文怎麼說
中文拼音 [cèjùmángqū]
測距盲區
英文
range hole-
Abstract : aimed at the circumstances including deeper formation, wider wells " distance, few data in new exploratory zone and lower drilling success rate, etc., the paper discussed the drilling geological environmental factors such as seismic velocity and acoustic wave logging velocity, and put forward a set of technical methods including basical data treatment in deep exploratory wells, drilling optimal design and operations
文摘:針對塔里木盆地沙雅隆起井眼深、井距大的難點和新靶區探井參考資料少、鉆井設計盲目性大、鉆井成井率低等問題，分析探討了地震層速度和聲波測井速度等鉆井地質環境因素變化規律，提出了一套深探井鉆井基礎數據處理、鉆井優化設計和優化施工的技術方法。Because of the advantages of no range blind area, high range resolution, low signal power and simple structure, lfmcw ( linear frequency modulation continuous wave ) radar attracted more and more attention recently
線性調頻連續波（ lfmcw ）雷達是一種通過對連續波進行頻率調制來獲得距離與速度信息的雷達體制系統。由於其具有無距離盲區、高距離解析度、低發射功率、結構簡單，便於集成化等優點，適合用於液位測量系統。The method of visual testing of the steel tube ends is an unresolved problem in petrol industry, chemical industry, pressure vessel industry and oil and gas transporting project. i discuss the visual method and system of the steel tube ends based on the magnetic flux leakage theory, design a visual testing system of steel tube ends that makes the undetected areas testing of the steel tube ends possible
鋼管端頭可視化檢測一直是石油行業、化工行業、壓力容器行業和油氣高壓遠距離輸送工程著力解決的課題，本文根據漏磁檢測方法對「鋼管端頭可視化檢測方法與系統」做了探討，設計了一個基於漏磁檢測原理的鋼管端頭可視化檢測系統，從而使鋼管端頭的無盲區檢測成為可能。In chapter 2, the advantages and disadvantages of the two ranging waveforms, namely, classical pulsed waveform and fmcw waveform, are compared in terms of the target distance
文中首先根據目標距離對比了脈沖法和fmcw兩種測距方法的優劣，然後選擇無測距盲區的fmcw作為發射信號。分享友人