搜索结果: 1-15 共查到“信息与通信工程 performance”相关记录24条 . 查询时间(0.368 秒)
PREDICTION BASED WORKLOAD PERFORMANCE EVALUATION FOR DISASTER MANAGEMENT SPATIAL DATABASE
Disaster Management Large Spatial Database Shortest Path Dijkstra Algorithm
2018/9/12
This paper discusses a prediction based workload performance evaluation implementation during Disaster Management, especially at the response phase, to handle large spatial data in the event of an eru...
Performance CharactErization of an Airborne LIDAR System: Bridging System Specifications and Expected Performance
LIDAR data acquisition specifications impact analysis parameters performance accuracy understanding
2015/11/20
Airborne laser scanning, the preferred operational tool in remote sensing, surveying, and mapping, is demonstrating outstanding capabilities in generating high-accuracy spatial data with superior effi...
EFFECTS AND PERFORMANCE OF SPECKLE NOISE REDUCTION FILTERS ON ACTIVE RADAR AND SAR IMAGES
RADAR SAR Images Noise Speckle Filtering Adaptive Filter
2015/8/17
Reduction of speckle noise is one of the most important processes to increase the quality of radar coherent images. Image variances
or speckle is a granular noise that inherently exists in and degra...
FPGA Performance versus Cell Granularity.
Transient Performance Analysis of a Multicorrelator Signal Quality Monitor
Transient Performance Analysis Multicorrelator Signal Quality Monitor
2015/6/29
The ability to monitor and detect problematic distortions in the received GPS-SPS signal is a task of critical importance. Detection of these satellite signal anomalies or “evil waveforms” (EWFs) can ...
Dual-Frequency Smoothing for CAT III LAAS:Performance Assessment Considering Ionosphere Anomalies
Dual-Frequency Smoothing CAT III LAAS Considering Ionosphere
2015/6/25
Strong ionosphere storms are the most-threatening potential fault mode for the Local Area Augmentation System (LAAS). Multi-frequency GPS techniques are known to be an effective means of reducing or r...
Defining Primary,Secondary,Additional Secondary Factors for RTCM Minimum Performance Specifications (MPS)
Secondary Factors RTCM Minimum Performance Specifications (MPS)
2015/6/25
The Radio Technical Commission for Maritime Services (RTCM) Special Committee 127 (SC127) is currently working on the minimum performance specifications (MPS) for enhanced Loran (eLoran) maritime rece...
Design and Performance of a Minimum-Variance Hybrid Location Algorithm Utilizing GPS and Cellular Received Signal Strength for Positioning in Dense Urban Environments
Design Performance Minimum-Variance Hybrid Location Algorithm GPS and Cellular Received Positioning in Dense Environments
2015/6/25
This paper shows how the complementary advantages of GPS and cellular received signal strength (RSS) positioning methods improves hybrid location estimation performance in dense urban environments. In...
Commercial GPS in the Stratosphere:Cell Phone GPS Receiver Performance on a High Altitude Weather Balloon
Commercial GPS Stratosphere Cell Phone GPS Receiver Performance High Altitude Weather Balloon
2015/6/24
The primary objective of this effort was to characterize the GPS performance of a smartphone at high altitudes.Due to International Traffic in Arms Regulations (ITAR) restrictions in the United States...
Performance evaluation of routing protocols using NS-2 and realistic traces on driving simulator
routing protocols NS2 and realistic traces driving simulator
2015/1/20
With the rapid growth in wireless mobile communication technology, Vehicular Ad-hoc Network (VANET) has emerged as a promising method to effectively solve transportation-related issues. So far, most o...
Wireless Physical-Layer Security Performance of UWB systems
UWB security wireless physical layer
2014/12/8
Traditionally, spread-spectrum systems have been employed to provide low probability-of-intercept (LPI) and low probability-of-detection (LPD) performances at the physical layer, but the messages tran...
Millimeter Wave Indium Phosphide Heterojunction Bipolar Transistors: Noise Performance and Circuit Applications
InP HBT LNA Modelling Transistor Small-signal modelling
2014/12/8
The performance of III-V heterojunction bipolar transistors (HBTs) has improved significantly over the past two decades. Today’s state of the art Indium Phosphide (InP) HBTs have a maximum frequency o...
This theoretical study presents a novel modulation scheme which simultaneously encodes the amplitude shift keying label on the carrier-suppressed return-to-zero differential phase shift keying payload...
Performance of Equal Power Allocation in Multiuser OFDM-Based Cognitive Radio Systems
Equal Power Allocation Multiuser OFDM-Based Cognitive Radio Systems
2009/9/4
The performance difference between a simple equal subchannel power allocation and the optimal water-filling subchannel power allocation schemes is studied for a multiuser OFDM-based cognitive radio (C...
电子科技大学通信原理理论课件CH7C performance of communication systems corrupted by noise
电子科技大学 通信原理理论 课件 CH7C performance of communication systems corrupted by noise
2009/8/10
电子科技大学通信原理理论课件CH7C performance of communication systems corrupted by noise。