測深聲速 的英文怎麼說
中文拼音 [cèshēnshēngsù]
測深聲速
英文
sounding velocity-
Gpr is a newly developed hi - tech survey technique used to detect shallow ground electric differences. we applied gpr to more than 100 projects in zhujiang river delta and hongkong, and obtained good reputations. the application scope involves stratigraphics division, outining of filled stones in the muddly beach, geotechnical prospecting of old wall, karst detecting in the limestone terrain, caving detecting, landslide and slop surveing, the division of wea - thering zone, onion weathering zone, fracture zone and fau - lted zone in the granite area, detecting of buried objects cable, metal nonmetal pipe, channel, air raid she - lter etc. underground in the urban city, archaeology, tracing of orebody, coal measures strata division, testing of the dam and grouting site, quality checking of the surface and foundation of the highway
的一種高新技術。我公司運用世界最先進的探地雷達設備在珠江三角洲地區和香港開展了百余項探地雷達檢測項目，獲得了良好的聲譽，並被作為深圳市建設局1998年度建設科技成果推廣項目。它主要應用於：山體土石方檢測路基不同回填物界面檢測填海回填物巖溶檢測樁基無損檢測地下管道探測地下隱蔽物探測考古斜坡滑體探測地質結構探測湖底探測高速公路路面及路基檢測。This paper discusses in detail some problems about scanning sound intensify mearusing system of the pc machine from perspectives of both hardware and software. it puts emphasis on analyzing and working out problem of multicenter data sampling in phase fifo amortize arbitrarness waveform generator this paper makes a deep discussion on the computer exteral interface technology which is developing in high speed. it analyses scanning sound intensify mearusing system interface technology on the basis of isa pci, and introduce the promising idea about designing mearusing system of scanning sound intensity by using usb interface
本文針對快速發展的計算機外部介面技術進行了較深入的探討，分析了基於isa總線、 pci局部總線的掃描聲強測試系統介面技術，並提出採用usb介面的聲強數據採集與處理系統的設計思想，同時對windows底層進行了詳盡的分析，採用vtoolsd 、 vc + + 、 ddk編制的掃描聲強測試系統驅動程序，運行在系統核心（ 0級環） ，並能與windows很好的協作運行，既能體現windows的多任務操作系統的特點，又保證了數據可靠、實時的採集。On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly
摘要在相干聲納硬體結構及數據採集方式的基礎上，結合具體的深海鈷結殼探測環境和技術要求，確定了換能器基本布局，探討了信號採集與處理方法，利用能量相關搜索法對回波信號進行分析和計算，得出超聲波實時照射下的海底表面微地形高程數據，為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance
4 、深入研究了基於沿跡干涉釁1 ）技術的多孔徑sar系統地面動目標檢測和成像方法，給出了採用ati方法對兩幅sar復圖像進行慢速目標檢測的完整過程，詳細分析了各種因素如雜波、噪聲、目標信雜比、目標速度及多視處理等對檢測性能的影響，並通過大量的模擬給予驗證。Abstract : based on the measures protecting the two primary schools along shenzhen - shantou expressway from noisethe paper presents some proposed programs and structure designs of noise barrier ; analyzes and discusses the monitoring of acoustics effect and the cost of work ， and finally gives some proposals
文摘:針對深汕高速公路沿線兩所小學噪聲敏感點的防護措施，介紹了聲屏障的方案及結構設計，和對聲學效果檢測和工程造價進行分析探討，並提出若干建議。The 3d model needs three parameters, among them, the distance from the dam and the distance from the starting point of the section can be measured directly, and the depth of the water corresponding to the distance from the starting point of the section can be measured by the sounding device. however, because the reservoir is very deep, the measuring error of the water depth is greater
而建立其三維模型需要三個參量，其中距壩里程、備斷面起點距可直接測得，而對應于各起點距的水深值因丹江口水庫較深，按通常的方法使用回聲儀測深，即以水下二米處的水溫校正回聲儀的轉速來測深有較大誤差。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。A three - dimensional - acoustic doppler velocimeter is used to measure the velocity components of the flow field in all three coordinate directions for different discharge and measurement site. the influence of measurement site and the depth / vegetation height ratio on the measured velocity profile and turbulence intensity and the renolds stress is analyzed. the characteristics of the measured velocity distributions and the results of the previous investigators are used to select an analytical expression for the shape of the velocity profile
利用三維超聲波多普勒流速儀（ adv ）量測不同位置、不同流量下的瞬時流場。分析了測點位置和水深與植被高度比對時均流速分佈的影響。本文還給出了種樹段紊動強度及雷諾應力的垂線分佈。Based on the research of the respective characteristic of speed measurement sensors, several kinds of ultrasonic speed measurement methods are provided. aiming at their insufficiencies in measuring accuracy and operating range, a new method of ultrasonic spread spectrum speed measurement is proposed. the operating principle is analyzed in detail and the feasibility of this method is demonstrated in theory
在深入了解國內外多種測速傳感器特點的基礎上，討論了超聲測速的幾種常用方法;針對這些方法在測量精度和作用距離方面的不足，提出了超聲擴頻測速方法，詳細分析了其工作原理，並從理論上對該方法的可行性進行了論證。Distortion and gauss white noise distortion. the simulation of ideal system aims at absolutely clean channel, and the nonideal systems respectively set their channels as ricean channel ( multipath distortion channel ) and awgn ( gauss white noise distortion channel ). at the end of simulation, it use examining means of communication system as ber ( bit error rate ) analysis and eye diagrams analysis, then gives a summarize and a comment to the system
模擬中的系統結構、模塊和傳輸速率的選擇符合標準的dvb1規范en300744 ，理想系統的模擬是針對完全乾凈的通道，而非理想系統分別將通道設置為hcean通道哆徑干擾通道）和awgn （高斯白噪聲通道） ，模擬最後用通信系統的檢測手段進行誤碼率分析和眼圖分析，並對該系統作了總結和評價，加深對了dvb1系統的信號處理過程的理解，明確了目前面臨的問題。Std sv system
溫鹽深聲速測量系統分享友人