Chinese Version Light学术出版中心
Latest Issue
Issue 3 ， 1986
-
Correction of Slant to Ground Range Scale Change fon S AR Map
Abstract：The SAR data film in the range direction is recorded in slant range.It is,in fact,desirable to produce an image that is in ground range.This differe-nce results in a scale change in the range dimension.This paper disusses in detail and shows refractive two and four prism systems for correcting the scale change.- 44
- |
- 5
- |
- 0
Published：2020-08-12 -
A New Method for Determining Optical Parameters of Nonabsorbing Thin Film
Abstract：A new method for measuring optical paranleters of nonabsorbing siagle lager of thin film is given in this paper.The method determines the geometry thickuess of the film in terms of special optical phase at T～λ,curve,and every parameters of olispersion.- 42
- |
- 8
- |
- 0
Published：2020-08-12 -
Multiline Operation and Fluctuation of A TEA CO2 Laser
Abstract：Selective multiline operation on different bands in a TEA CO2 laser has been demonstrated with special configuration.The arbitrary combination am-ong the lines on three hands has been obtained.Synchronously investigated fluctuation among the lines is less then 30% for 10(12)—(24),10R(12)—(24) and 9P(12)—(24).- 35
- |
- 8
- |
- 0
Published：2020-08-12 -
The Research of the Circular Scaning V/HDevice of Using Spatial Filtering
Abstract：This paper describes theoretic anylisis to the circular scaninig V/H device and suggests a method of using spatial filtering which decreases the effect of the grpund spectrum and raises the accuraty of the V/H device.The result of the dynimic slmu lated lests shows that the method coa be useful.- 39
- |
- 6
- |
- 0
Published：2020-08-12 -
Photo-Electric Moir镕ringe Signals with High Orthogonality Relation
Abstract：A pair of photo-electric orthogonal Moir? fringes is necessary for the electronic interpalotion of Moir? fringe signals.This paper describes four ki-nds of reasons leading to separated-phase error and the methods of elimina-ting these separated-phase error.A result with separated-phase error less than 0.5癶as been obtained in a circular dividing calibrating instrument.- 71
- |
- 8
- |
- 0
Published：2020-08-12 -
A Consideration on Complex Velocity to Elevation Meter
Abstract：This paper proposes a complex velocity to altitude meter(V/H meter) and analyses its principle.The effects of multi slits spatial filter on the filtering is discussed.Also its contral system is analyzed.It has been shown by analog tests in laboratory and by flight tests that the V/H meter works and can be useful for practical use.- 57
- |
- 7
- |
- 0
Published：2020-08-12 -
Discuss of the Ralationship Between the Surface Emissivity and the Surface Moisture of Soils
Abstract：Surface moisture of Soil is an important factor for surface emissivity of the soil.In this paper,the ralationship between the surface emissivity and the surface moisture of soils is comsidered with an improved method for dete-rmination of the emissivity.Thesample sof soil was taken from“San Jang plane” on Northest China.An experience formula for this ralationship is obtained on the basis of analyses of experiment data.- 35
- |
- 4
- |
- 0
Published：2020-08-12 -
Measurement of Stress-Optical Coefficient of Glasses by Radial Compression Method
Abstract：In this paper the principle of the radial compression method is briefly presented.The stress-optical coefficient of some glasses have been obtained.The experimental results for silica glass are in good agreement with that measured by U.S.A.and Japan.- 41
- |
- 6
- |
- 0
Published：2020-08-12 -
The Externally Pressurized Simple-Orifice Gas Bearing the Transformed and Finite Element Method
Abstract：In this paper a new method,the transformation and finite element method for studying the externally is presented.By this method those complicatedly shaped domains to deal with can be transformad into a simple and united domaing,so that the finite elementn umerical method can be easily used.It is the advantage of this method that results obtaind from studying one simple bearing construction canbe lransformed into the results for many other different costructions.As a resultthe reserch works can be simplified and more efficient.- 39
- |
- 7
- |
- 0
Published：2020-08-12 -
The Structure and Properties of Glasses in the Nb2O5-B2O3-K2O System
Abstract：The structure of nioboborate glass was studied with a high power ro-tating anode type CuKαX-ray diffractometer.Based on the warren equation, a new way resolving the redical distribution function was established.It was comparatively simple,especially for the analysis of RDF of polycompo-nent glass system because it was concerned with fearer factors. Using this way the structure model of nioboborate glass was ob-tained.A loose construction is the feature of these glasses.That is to say the valume of structure unit in the glass is sufficientlylarge,there exist agre-at numberof wider hollows in the structure.This is the reason why the niobo-borate glass has high dispersion and comparatively low density.Besides this, some glasses in the system also have high conductance.- 44
- |
- 6
- |
- 0
Published：2020-08-12 -
A Research Centre of Thin Film in France
Abstract：This paper presents a survey of the nesearch centre of thilm that is one of the highett level optical laboratory in Frane,its recent developments and main reseach directions.- 30
- |
- 6
- |
- 0
Published：2020-08-12
Loading...
0