搜索结果: 1-15 共查到“测绘科学技术 frequency”相关记录23条 . 查询时间(0.031 秒)
AN ATTITUDE MODELLING METHOD BASED ON THE INHERENT FREQUENCY OF A SATELLITE PLATFORM
Satellite Attitude Post-Process AttModel FFT Inherent Frequency
2017/7/12
The accuracy of attitude determination plays a key role in the improvement of surveying and mapping accuracy for high-resolution remote-sensing satellites, and it is a bottleneck in large-scale satell...
MONITORING HIGH-FREQUENCY OCEAN SIGNALS USING LOW-COST GNSS/IMU BUOYS
Global Navigation Satellite System (GNSS) buoys Inertial Measurement Unit (IMU) tide gauge
2016/12/1
In oceans there are different ocean signals covering the multi-frequencies including tsunami, meteotsunami, storm surge, as sea level change, and currents. These signals have the direct and significan...
ANOMALY IDENTIFICATION FROM SUPER-LOW FREQUENCY ELECTROMAGNETIC DATA FOR THE COALBED METHANE DETECTION
Electromagnetic Super Low Frequency Coalbed Methane non-Gaussian Class B model Least Square Gradient Adaptive filter
2016/11/30
Natural source Super Low Frequency(SLF) electromagnetic prospecting methods have become an increasingly promising way in the resource detection. The capacity estimation of the reservoirs is of great i...
COMPENSATION LOW-FREQUENCY ERRORS IN TH-1 SATELLITE
Satellite photogrammetry Low-frequency errors Attitude determination system Exterior orientation elements Location accuracy Global coverage
2016/7/4
The topographic mapping products at 1:50,000 scale can be realized using satellite photogrammetry without ground control points (GCPs), which requires the high accuracy of exterior orientation element...
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...
TV BROADCASTING FREQUENCY PROGRAMMING BASED ON GIS
Shoreline Frequency Programming Spatial Analysis Spatial Visualization Data Integration Model Assistant Decision-making
2016/3/17
In recently years, GIS has a high-speed development and has made a great progress in its own field. This paper applies theory and method of geographic information system to TV Broadcasting frequency p...
A SPATIAL DOMAIN AND FREQUENCY DOMAIN INTEGRATED APPROACH TO FUSION MULTIFOCUS IMAGES
multifocus image fusion Sum-modified-Laplacian stationary wavelet transform
2015/12/31
A spatial domain and frequency domain integrated approach was proposed to fusion multifocus images. The proposed multifocus image fusion algorithm was composed of computing Sum-modified-Laplacian(SML)...
PASSIVE ULTRA-LOW FREQUENCY ELECTROMAGNETIC DETECTION TECHNOLOGY FOR COAL BED METHANE AND ITS APPLICATION
Ultra-Low Frequency Electromagnetic Wave CBM Exploration Geophysical Method
2015/12/29
Based on analysis of the significance of the coal bed methane exploration and development and the deficiency of the conventional coal bed methane exploration methods, the paper proposes a new technolo...
A DEM Construction Method for Inconstant Inter-Tidal Zone Base on Short-Interval, High Frequency MODIS Data Set: A Case Study in the Dongsha Sandbank of the Jiangsu Radial Tidal Sand-Ridges
Remote sensing Tidal-flat Elevation Inversion Short-interval & High-frequency MODIS Data Set
2015/11/23
Surface elevation is a critical data for geo-science study. As far as some regions with rapidly-changing in landform, analyzing the surface elevation of different periods help provide scientific basis...
Low and mid-frequency pulsations in the polar cap: polarization pattern and MLT dependence of the spectral power during the descending phase of the solar cycle
ULF waves Antarctica Geomagnetic pulsations Polarization pattern upstream waves
2015/8/28
We present a statistical analysis of ULF (1-100 mHz) geomagnetic measurements conducted during years 2003- 2006 at the Italian/French base of Concordia at Dome C, close to the geomagnetic pole, and at...
Estimating Forest Biomass in Temperate Forests Using Airborne Multi-frequency Polarimetric SAR Data
Synthetic Aperture Radar (SAR) Polarimetry Multi-frequency
2015/8/28
We used multi-sensor, multi-frequency and multi-polarization SAR data for biophysical parameter retrieval in plantation forests of
Northern Japan. The statistical relationships with different biophys...
OpTag - A combined panoramic photogrammetric and radio frequency tagging system for monitoring passenger movements in airports
Close Range Photogrammetry Panoramic Camera Sensor Modeling Calibration panoramic surveillance
2015/8/25
Up to five percent of aircraft departure delays are caused by late passengers or late bags at a gate, and the impact of this in missed slots and subsequent cost will increase as the number of flights ...
COMPARING FREQUENCY-BASED MEASURES OF SPECTRAL AND MORHPOLOGICAL DIVERSITY WITH SOCIODEMOGRAPHIC CHARACTERISTICS IN AN URBAN AREA
frequency-based contextual classification urban morphometry housing crime lidar
2015/8/3
Remotely-sensed imagery has a demonstrated connection to urban demographic variables. In a previous study, frequency-based contextual counts of cover type classes have been related to census housing v...
TROPICAL FOREST BIOMASS MAPPING FROM DUAL FREQUENCY SAR INTERFEROMETRY (X AND P- BANDS)
Interferometer SAR Forestry Land cover Inventory Mapping Modelling
2015/7/30
Radar sensors operating with different wavelengths and polarizations have been widely used for large-scale forest mapping and
monitoring. The interferometric phase obtained by microwave sensors conta...
HIGH PRECISION KINEMATIC POSITIONING USING SINGLE DUAL-FREQUENCY GPS RECEIVER
GPS Precise Point Positioning Precise Orbit and Clock Products
2015/6/1
As a result, it not only
increases the operational costs of equipment and human resources but also significantly increases the logistical complexity for many
applications such as land geodetic sur...