搜索结果: 1-15 共查到“工学 Error”相关记录142条 . 查询时间(0.259 秒)
INSAR UNWRAPPING ERROR CORRECTION BASED ON QUASI-ACCURATE DETECTION OF GROSS ERRORS (QUAD)
QUAD, InSAR, Unwrapping Error Correction, Gross Error, L1-norm
2018/5/14
Unwrapping error is a common error in the InSAR processing, which will seriously degrade the accuracy of the monitoring results. Based on a gross error correction method, Quasi-accurate detection (QUA...
A GROSS ERROR ELIMINATION METHOD FOR POINT CLOUD DATA BASED ON KD-TREE
Data point cloud Gross error elimination Kd-tree
2018/5/14
Point cloud data has been one type of widely used data sources in the field of remote sensing. Key steps of point cloud data’s pro-processing focus on gross error elimination and quality control. Owin...
ERROR ANALYSIS AND VALIDATION FOR INSAR HEIGHT MEASUREMENT INDUCED BY SLANT RANGE
InSAR DEM Slant Range Error Simulation Validation SRTM TanDEM-X
2018/5/16
InSAR technique is an important method for large area DEM extraction. Several factors have significant influence on the accuracy of height measurement. In this research, the effect of slant range meas...
QUANTIFYING THE CONTRIBUTIONS OF ENVIRONMENTAL PARAMETERS TO CERES SURFACE NET RADIATION ERROR IN CHINA
CERES surface net radiation China environmental parameters error contributions
2018/5/15
Error source analyses are critical for the satellite-retrieved surface net radiation (Rn) products. In this study, we evaluate the Rn error sources in the Clouds and the Earth’s Radiant Energy System ...
SPACE-BORNE LASER ALTIMETER GEOLOCATION ERROR ANALYSIS
Laser altimetry Error analysis Footprints Pointing angle Range Geolocation accuracy
2018/6/5
This paper reviews the development of space-borne laser altimetry technology over the past 40 years. Taking the ICESAT satellite as an example, a rigorous space-borne laser altimeter geolocation model...
LANE LEVEL LOCALIZATION; USING IMAGES AND HD MAPS TO MITIGATE THE LATERAL ERROR
Lane Level Localization Road Boundaries Map Matching Lane Matching
2017/7/12
In urban canyon where the GNSS signals are blocked by buildings, the accuracy of measured position significantly deteriorates. GIS databases have been frequently utilized to improve the accuracy of me...
AN EMPRICAL POINT ERROR MODEL FOR TLS DERIVED POINT CLOUDS
TLS reflectance incidence angle range error ellipsoid anisotropic error model
2016/11/11
The random error pattern of point clouds has significant effect on the quality of final 3D model. The magnitude and distribution of random errors should be modelled numerically. This work aims at deve...
HYBRID MODELS FOR TRAJECTORY ERROR MODELLING IN URBAN ENVIRONMENTS
Mobile mapping Photogrammetry Feature matching Orientation Adjustment Modelling Registration
2016/7/28
This paper tackles the first step of any strategy aiming to improve the trajectory of terrestrial mobile mapping systems in urban environments. We present an approach to model the error of terrestrial...
LOW FREQUENCY ERROR ANALYSIS AND CALIBRATION FOR HIGH-RESOLUTION OPTICAL SATELLITE’S UNCONTROLLED GEOMETRIC POSITIONING
high-resolution optical satellite low frequency error star sensor uncontrolled geometric positioning
2016/7/4
The low frequency error is a key factor which has affected uncontrolled geometry processing accuracy of the high-resolution optical image. To guarantee the geometric quality of imagery, this paper pre...
Scalable Error Detection using Boolean Satisfiability
Program analysis error detection boolean satisfiability
2016/5/24
We describe a software error-detection tool that exploits recent advances in boolean satisfiability (SAT) solvers. Our analysis is path sensitive, precise down to the bit level, and models pointers an...
Static Error Detection Using Semantic Inconsistency Inference
Static analysis error detection satisfiability inconsistency
2016/5/24
Inconsistency checking is a method for detecting software errors that relies only on examining multiple uses of a value. We propose that inconsistency inference is best understood as a variant of the ...
Automated Error Diagnosis Using Abductive Inference
Error diagnosis abductive inference static analysis
2016/5/24
When program verification tools fail to verify a program, either the program is buggy or the report is a false alarm. In this situation, the burden is on the user to manually classify the report, but ...
Saturn: A Scalable Framework for Error Detection using Boolean Satisfiability
Program analysis error detection boolean satisfiability
2016/5/24
This article presents Saturn, a general framework for building precise and scalable static error detection systems. Saturn exploits recent advances in boolean satisfiability (SAT) solvers and is path ...
NEW METHODOLOGY OF REPRESENTING THE POSITIONAL ERROR OF NONPOINT FEATURES IN GIS
Positional error Non-point feature Indicators Shape similarity
2016/1/3
Traditionally, RMSE is used to represent the positional error of GIS features including point, linear and area features. Although RMSE can reflect the error of point features effectively and accuratel...
Analysis of the Kalman Filter with Different INS Error Models for GPS/INS Integration in Aerial Remote Sensing Applications
Direct Georeferencing Aerial Triangulation GPS/INS Integration
2015/12/17
In the Kalman filter used for the integration of GPS/INS, the inertial sensor error model is usually considered as a random constant or
random walk for both gyroscopes and accelerometers. However, th...