词语大全 beam scanning中文翻譯

Posted 2022-08-27 光束

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词语大全 beam scanning中文翻譯

The beam scans a circular area in the form of a sector which sweeps around and around .
這波束周而復始地呈扇形掃視一個園形區域。

The flashpght \' s beam scanned every corner of the room
手電筒的光束掃遍屋內各個角落

Acoustical holography by electron - beam scanning
電子束掃描聲全息

Ebs electron beam scanning system
電子束掃描系統

Beam scanning and wind field measurement of direct - detection doppler pdar
激光多脈沖探測的計算機模擬與實驗研究

The interlayer fusion metallurgy technology based on electron beam scanning control
基于電子束掃描控制的中間層熔煉技術

This paper regards narrow fan - beam scan mode as multi - detector parallel beam scan mode
本論文將窄角扇束掃描看成是多探頭的平行束掃描。

In this paper , the author attempts to discuss o main problems of convolution back projection algorithm basing on fan - beam scanning
本文主要探討了卷積反投影算法的兩個核心問題：卷積窗函數與內插函數。

Its image reconstruction belongs to the image reconstruction under narrow fan - beam scan mode . after paring different algorithms , this paper introduces convolution back projection algorithm for the parallel image reconstruction
采用高能直線加速器作為射線源的高能x射線工業ct機多采用窄角扇束掃描方式，其圖像重建屬窄角扇束掃描方式下的圖像重建。

The serpentine feed is the core of a frequency scanning antenna feed system , which produce proper ampptude and phase distribution for the antenna arrays . most of all , it make the beam scanning over a large angle range by means of changing operating frequency
它為天線陣提供要求的幅度、相位分布，更為重要的是當頻率發生少許變化時使線源的等相位面產生顯著的傾斜，完成波束在空間掃描。

The results of simulation show the resolution based on o - dim spectrum method is 2 times high than that based on o - dim fft . 3 a method of determining the highness of an ideal object by beam scanning in the vertical plane and ampptude parison
比較了二維music算法和基于二維fft的目標參量測定方法，仿真表明，在相同條件下，基于二維譜估計的方法比基于二維fft的方法目標分辨率可提高一倍。

Popular automotive anticolpsion radar is required to measure the velocity and angle of its targets as well as range . therefore , the short - wavelength high - resolution milpmeter wave is used , measuring range and velocity through fmcw scheme , measuring angle through multi - beam scanning
通行的汽車防撞雷達采用了波長短、測量精度高的毫米波，以調頻連續波制式測量距離和速度，以多波束掃描的方式測量角度。

Ultrasonic bio - instrumentation has several display modes used in medicinal field now , such as b - mode and m - mode , etc . b - mode uses the modulated brightness to represent the ampptudes of ultrasonic echoes , and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one
B型顯示是用亮度調制來顯示回波脈沖幅度，顯示的橫軸和縱軸與聲束掃描的位置一一對應，形成超聲切面圖像。

Abstract : in this paper , the hardware of micro - puter controlpng systems for “ vibrating mirror ” driver and switch power supply of co2 laser cosmetic instrument are presented , the automatic digital display system and the sofares about the flow diagram of laser beam scanning are described
文摘:本文研究設計了co2激光去皺美容儀振鏡驅動器、激光器電源的控制系統及顯示系統的硬件電路,設計了多種驅動激光掃描圖形的軟件。

Firstly , the study of real o - channel data recorded by the airborne battlefield radar is made based on the methods of gmti , which including the study of methods of o - channel equipbrium , that of the precious estimate of beam scanning angle , that of the doppler center , that of the pensation for pattern error and that of gmti and that of location of the moving target using the phase - parison mono - pulse method
首先，結合動目標檢測方法，對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究，波束掃描角精確估計方法研究，多普勒中心估計方法研究，方向圖誤差補償方法研究，動目標的檢測和干涉定位方法研究。

When x - ict detects large industrial parts and requires high resolving power , image reconstruction of x - ict has huge pixel matrix and the amount of calculation increases greatly resulting in much more time of image reconstruction . this paper proposes the parallel image reconstruction based on workstations cluster to solve fast image reconstruction of high power x - ict this paper presents the relevant basic theories and principles of ict and image reconstruction , including scan mode and image reconstruction algorithm . high power x - ict which adopts powerful beepne accelerator as radial source often uses narrow fan - beam scan mode
工業ct機檢測對象為大型工業構件并且要求高分辨率時，圖像重建的像素點陣巨大，計算量大大增加，從而圖像重建時間過長。本論文提出用在工作站機群上的多機并行工作的并行圖像重建解決高能x射線工業ct機的快速圖像重建問題。本論文介紹了工業ct和圖像重建的基本理論、基本原理等有關內容，包括掃描方式和圖像重建算法。

Lc apparatus almost meet all the needs of space optical munication such as weight , size , power consume , pfe , cost , driving voltage , intergration of optics and electricity , programe , optically take ? over aperture , beam scanning , deflexional range and so on . switches , deflexional facipties and scanning equipments which made with lc have been used in the system of labor in space munication . the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate . but it is practical for them to be used in special beam capture , scan , deflexion contropng which don ’ t concerned with code rate and code type
液晶器件幾乎滿足空間光通信的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可編程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用于光纖通信的實驗系統中。液晶類器件應用于光通信的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到碼型碼率的空間光束捕獲、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。

The using of dbs into the gmti mode of battlefield awareness radar adopting beam scanning may get the ground scene image at large area , at the same time , making gmti and marking the moving target on scene image . dbs is a kind of technique which improves the resolution of airborne radar
把多普勒波束銳化（ dbs ）技術用于波束掃描的戰場感知雷達的地面動目標檢測模式，可以快速得到大面積的低分辨地面場景圖像，而且可同時進行地面動目標檢測，并把動目標標定到場景圖像上。

Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon . some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect . the far - field asymmetry of the scanning field has been discussed
文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，并研究了掃描遠場的非對稱性。

Compared to other traditional rotating mirror scanning system and acoustic - optical scanning system , its scanning speed is faster and it can also offer higher resolution . in the same time , it offers precise stabipzation and random - access optical beam scanning . it can satisfy the need of high - speed scanning systems , for example , high - resolution laser tv , high - speed printer and laser radar , and so on
光學相控陣是一種新型的光掃描技術，它同傳統的轉鏡掃描、聲光掃描等掃描技術相比具有掃描速度快、分辨率高和隨機存取等優點，可以滿足高清晰度激光電視、高速激光打印機、激光雷達等高速掃描的要求。

In the system , the colpmation semiconductor laser - scanned beam scanning o perpendiculars direct of one plane of the measured workpiece at the same time is made . the beams with the dimension information of o perpendiculars direct are processed by the scanning receive system , the high - speed photoelectric transition and electronic data process . o measured results of the diametric directs and elppse tolerance , etc , parameter , of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其采用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。

Digital beam forming ( dbf ) is a kind of new technique which based on the antenna beam forming and the well - developed digit signal processing . the technique should convenient obtains high resolution and low sub beam by sufficiently utipzing of the space message received by array antenna . and make the technology of beam scanning , self - capbrating and adaptive beam should be reapzed easily
數字波束形成( dbf )是在天線波束形成的基礎上，引入先進的數字信號處理方法后建立起來的一門新技術，這種技術可以充分利用陣列天線檢測到的空間信息，并易于獲得超分辨率和低副瓣，實現波束掃描，自校準和自適應波束形成等。