theory of laser造句
例句與造句
- Analyzing the sintering theory of nano material and the heat conduction theory of laser machining , the mathematic model of grain size growth of nano material in laser sintering is built
在分析納米材料已有燒結理論的基礎上，結合激光加工中有關熱傳導理論，建立了納米材料在激光作用下晶粒尺寸變化的數(shù)學模型。 - To finish the task of distance measuring , speed measuring and warning , the theory of laser - based distance measuring is used in this system , and the system is controlled by scm ( single chip microprocessor )
為完成測距、測速和報警工作，汽車自適應馳控裝置利用紅外激光測距原理，采用單片機作核心控制芯片。 - The paper researches the theory of laser rangefinder and studies relational questions , gives a presentation of the constituent parts of the laser rangefinder and the function of each part
本文結合工程項目研究了激光測距機的原理，討論了激光測距的有關問題，詳細地介紹了項目中激光測距機的組成以及各部分的功能。 - In the first part , the paper mainly discourse upon the gestation course of theoretic base in laser physics , stimulated emission , population inversion and other basic theory of laser were discussed
第一部分主要論述了激光物理理論背景的醞釀過程，對受激輻射、負吸收、粒子數(shù)反轉這幾個激光物理的基本理論的建立過程作了研究和分析。 - It has not been widely in a development stage and reached the desired result . the basic theory of laser remanufacturing need to be developed deeply , which limited the application of it , such as temperature measurement and measurement control , and so on
但其中的許多基礎理論問題尚需深入開展研究，如激光再制造過程中溫度及尺寸精度控制檢測等問題，使激光再制造技術的應用受到了很大限制。 - It's difficult to find theory of laser in a sentence. 用theory of laser造句挺難的
- U . s . a has plan to spend eleven hundred million dollars to build a great high - power laser setting of 192 routes of laser which is named nif the basic theory of laser - fusion is firstly brought forward by wang ganchang academician in 1964
美國計劃花11億美元建造一個名為國家點火裝置( nif )的192路大型高功率激光裝置。激光聚變的基本理論原理是由中國的王淦昌院士于1964年最先提出的，中國在這一領域的研究水平也是國際領先的。 - The theory of laser range finder is firstly introduced in this paper . then based on the laser radar ranging theory , the laser radar ranging equation , the effect of the travel characters of the laser in the air on the measurement and the laser ranging snr equation are discussed
本文首先介紹了激光測距原理,然后從激光雷達測距理論出發(fā),以激光雷達作用距離方程、激光的大氣傳輸特性對測距的影響、激光雷達的信噪比作為理論基礎,進行了方案設計。 - Laser doppler velocimeter ( ldv ) is a precise instrument based on the theory of laser doppler effect with no - touch measurement capability , quick responsibility , high precision , wide measurement range , multiple dimension measurement and direction judgement ability . ldv is applied extensively in the field of science research & education and industrial measurement . in this thesis , we researched on the high - precise signal processing in ldv
激光多普勒測速儀( ldv )是根據(jù)激光多普勒效應研制而成的一種精密測速儀器,具有非接觸測量、動態(tài)響應快、分析精度高、測量范圍寬、可測多維速度和判別速度方向等優(yōu)點,被廣泛應用于科研教育領域和工業(yè)測量領域。 - On the base of studying imaging theory of lens , the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper , and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project , the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced , and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design , and the perfect planar scanning was realized ; at last the low noise , high multiple and non - distortion amplify circuit of photoelectric detector was completed
本文在透鏡成像理論的基礎上，系統(tǒng)、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統(tǒng)的優(yōu)點；進行了總體方案的論證，并設計確定了單模光纖激光共焦掃描顯微成像系統(tǒng)的總體方案；從理論上推導分析了分辨率要求與試驗系統(tǒng)中相關器件主要參數(shù)之間的關系，分析了系統(tǒng)耦合效率和漸暈現(xiàn)象對光學系統(tǒng)的設計要求；完成了方案中光學系統(tǒng)和二維掃描控制電路的設計，并在電路設計中采用了用軟件解決檢流計式光學掃描器(振鏡)非線性問題的新方法，能夠實現(xiàn)較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統(tǒng)的設計和調試。 - In the first part of this paper , the theory of laser range and dds technology was introduced , the factors of influencing range precision were also analysed . at the same time , put forward in the paper , with using the fpga embedded technology , the wideband and high resolution sin modulating signals can be generated easily , then analysed the noise of the dds ; in the second part , the theory of phase measurement based on fft was analysed . in the phase range system , by using the fft operation , the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true , also simulated and validated ; in last part , the improvement of the phase range system was brought forward , summarized and expected
論文首先闡述了激光測距和調制信號源的基本原理,分析了影響測距精度的因素,指出應用dds技術可以實現(xiàn)寬帶、高精度的調制信號輸出,說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現(xiàn)信號相位提取的基本原理及設計方法,采用這種檢相技術,可以極大地提高測相精度與靈敏度;然后提出了基于fpga嵌入式系統(tǒng)的相位式激光測距機的整體設計,并就各部分進行了詳細的分析與設計;接著介紹了激光測距系統(tǒng)的外圍電路和基于quartusii集成軟件平臺的部分硬件電路的設計,并對其中的設計進行了仿真和驗證;最后總結提出了對系統(tǒng)今后的進一步改進和完善的思路。