最新刊期
卷 ， 期 4 ， 1986
- 摘要：Monitoring Environment of Tianjin is a synthetic experiment made mainly on the basis of urban environment, adopting multiple sensors, multidatc and multiple altitude remote sensing technics. So abundant, various remote sensing environment informations have been obtained and developed a serious of multidisciplinary analysis. The study area consist not only urban districts and towns, plains and mountains, rivers and sea nearby. The analysis works consist contaminations of water, heat and air pollution, land use, green cover, engineering geology condition and communication phenomenon of the environment background, hence, concerning urban planning and resources developing. Thus, series of problems which could not be solved by ordinary processes, can be worked out regarding environmental protection and urban construction of Tianjin and outstanding effects have been obtained.
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发布时间：2021-06-10 - 摘要：The techniques about interpretation and mapping of low-yielding soils in the Yellow river flood plain are discussed in this paper, The landsat images were false colour MSS composites at scale of 1:200000. on the base of soil survey along selected lines, a comprehensive analysis of landforms on the images was made, and then, soil kinds were interpreted and deduced according to the soil interpretation keys established in this study. Besides, direct and/or indirect recognition and logical reasoning were also used for soil interpretation. An attempt of dividing the flood plain area into small ones with landform types was made for control of soil boundaries. After taking into account the distribution of soil association characteristic for each area, soils were interpreted at a genus level, and salt-affected soils were furtherly subdivided by the degree of salinization. The qualitative and quantitative accuracies of soil interpretation in this study were 88.90% and 80.0% respectively.
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发布时间：2021-06-10 - 摘要：The NOAA is a special meteorological satellite. The first and second channels of the AVHRP （the sensor of NOAA） are much similar to the fifth and seventh channels of the resource satellite MSS, and their corresponding spectral response curves are much alike. The AVHRR’S first channel has a higher reflectivity from soil, and the second channel is highly reflected by vegetation. By virtue of its wide sensitivity range, multiple reception orbitals, economical and convenient, it has been used in the W.S.A. in the agricultural estimation.According to the characteristic spectra from the vegetation, and through the digital exchange of the measuraed values on the first and second channels of the NOAA/AVHRR, We established a servies of green models which can be need in making agricultural estimation satisfactorily.As expesimentally showed that these green models highly correlated to the yeild of crops. This has been presently becoming the main information sources for yield estiraatings. With the forecast of the yield of winten wheat is Tianjin are as an example, this paper gave an account of the application of the NOAA/AVHRR data in working out the yeild estimation It included the establishment of the regression equation and the method for calculating the plantation area.
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发布时间：2021-06-10 - 摘要：In 1:50000 of the regional geologic investigation by applying the interpretation of the landsat image in geologic map of Sniping, （F-48-1-D） Yun Nan province both tectonic analysis and reconnaissance survey have mainly been succeeded. A number of linear features have been found out by means of explaining the image, and some faults was to be conformed. Besides, three linear structure have newly been discovered from the study of the images . In addition, We have also found that the ring structure is closely related to metallogenosis of tungsten and tin. By using of satellite image interpretation, in the area of sniping geologic map is abundant in its substantial content and replenished with the geomorphic feature, floral cover and neotecr-tonic movememt.
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发布时间：2021-06-10 - 摘要：The Wang-Quan Springs is one of the larger karst springs in Shanxi province. The largest discharge of the springs can reach 11.9 m3/sec, and that’s why the springs is regarded as the main source of water to develope the economy of southeast Shanxi since the foundation of PRC, many times of geological and hydrogeologic exploration have been done in the spring area by the divisions of geology, coal and city building.The content and precision of these explorations vary with their purposes. This article tells the overall interpretation of the spring area’s main water-bearing strata, water-resisting and water-bearing structures in the hydrogeologic investigation of spring supplying for a power plant with the data from the satellite tape and images processed by optical and digital processing system. The pattern interpretation shows that strata of different geological period differ from each other in their pattern characteristics, their water-bearing stratum’s distbibu-ting regularities and the hydrogeologic characteristics of active structures and water-resisting structures. It also encloses the area of karst spring supply. It explains the runoff and drainage of the ground water and their causes of formation. It proves the stability and reliability of the karst spring’s amount. So it provides necessary hydrogeologic data for the exploitation and use of the springs. The on-the-spot verification of the interpretation proves a good effect.
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发布时间：2021-06-10 - 摘要：This paper describes the system management software of the IRSA-2 Digital Image Processing System. Both the tree structured functional menu and the command line interpreter are developed in the IRSA-2 suboperating system which makes the IRSA-2 Digital Image Processing System more convenient and efficient in application. User developed image processing software can be easily brought into the IRSA-2 system. Therefore, IRSA-2 system is expandable and transferable. The digital image processing programs are processed as concurrent processes. The multiuser capability and efficiency of the entire system are thus improved significantly.
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发布时间：2021-06-10 - 摘要：In this paper, one of the adaptive algorithm of implementing geometric correction has been proposed. Its key points are.In terms of the unsteadiness of error distribution of over two orders polynomial processing during image geometric correcting and the correction accuracy,the adaptive algorithm of unequal length interval of 2-dimension geometric correction will be derived from the rest term of Lagrange interpolation. It will save 15% calculating time than three orders polynomial point by point correction, but the quality and accuracy of images are almost same.
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发布时间：2021-06-10 - 摘要：This paper demonstrates as compared with the visible and infrared sensor that microwave sensor possesses unique advantages on resolution of images imaging rate and signatures within the image. It is enough to prove that the microwave sensor is the current focal point for developping new sensor in progress of remote sensing techniques. The principle of passive microwave remote sensing is discussed. Some characteristics and quality indexes of the different microwave radiometers are compared also. Design plans, key techniques and primary specifications of various airborne microwave radiometers are given. These radiometers were developed by Changchun institute of physics, Chinese Academy of Sciences, Especially, the design specifications of the Dicke type radiometer systems with negative feedback and null-balancing mode are deliberated as well. These sensors have four frequency band and are suitable for applications of remote sensing on land, ocean and atmosphere. In addition, the paper deals with the scanning of the antenna, the collecting of the data controlled by microcomputer, the processing and correcting of the digital microwave radiometric imagery; and the method of synchronous video recording. In the pass nine years, the passive microwave sensors as mentioned above were put into the flight tests for surveying earth’s resouces and monitoring natural environment. It has been proved that these sensors are sensitive, stable and reliable. In short, the microwave remote sensing has a vast prospect in applications,
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发布时间：2021-06-10 - 摘要：<正> 1985年前,微波遥感借助Mariner2,Cosmos243,Nimbus-5、6、7,Skylab EREP,Seasa及STS-2,STS-17等卫星或航天飞机平台,在行星天文、大气层、地质和考古、水文、植被特性、极区冰层以及海洋等研究方面,已取得很大成绩.微波遥感所用的频段,目前已从L波段的1.3GHz（Seasat卫星上的合成孔径雷达及航天成像雷达SIR-A/B）延伸
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发布时间：2021-06-10 - 摘要：<正> 中国地理学会环境遥感分会第六届学术讨论会于1986年9月7日至11日在兰州市举行.在讨论会上,有110篇论文进行了口头交流或书面展示.现将这些论文的题目及作者辑录如下.一、总论 1.陈荫祥,地质矿产部地质遥感中心,国土环境的遥感调查
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发布时间：2021-06-10
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