Journal of Northwestern Polytechnical University 2012 Issue 1 Exploring Attenuation Coefficients of Forest Vegetation with Broadband Backscattering Measurement System

Exploring Attenuation Coefficients of Forest Vegetation with Broadband Backscattering Measurement System
Hu Chufeng;Zhou Zhou;Li Nanjing;Zhang Linxi;Xu Jiadong

..............page:1-5

Improving Robust Flight Control System Design Based on QFT (Quantitative Feedback Theory) for Attack UAV ( Unmanned Aerial Vehicle)
Zhu Xueping;Yang Jun

..............page:56-61

An Efficient BUWBP( Based on Utilization and Workload Balance Partition) Algorithm for Multiprocessor Real-Time System
Huang Shujuan;Zhu Yi\'an;Li Binzhe;Lu Wei

..............page:117-123

A New and Effective Method of NPPNMF (Neighborhood Preserving Projective Nonnegative Matrix Factorization)Feature Extraction for Hyperspectral Image Classification
Wen Jinhuan;Tian Zheng;Lin Wei;Zhou Min;Yan Weidong

..............page:138-144

A Better High Resolution Fourth-Order DOA Algorithm Based on Beamspace Maximal Set of Nonredundant Cumulant
Du Jinxiang;Feng Xi\'an;Du Jinyan

..............page:108-111

A New and Effective Method of Mult-Objective Drag Reduction with Fixed Angle of Attack Based on Adjoint Equation
Wang Long;Song Wenping;Yang Xudong

..............page:68-72

An Effective Galerkin Meshless Model for Calculating Sound Fields in Arbitrarily Shaped Enclosures
Wang Haitao;Zeng Xiangyang;Chen Ling

..............page:102-107

An Effective Modification of Bismaleimide Resin with PES/PEK
Ali Nazakat;Wu Yin;Zhang Qiuyu;Chen Ying

..............page:149-153

A New and Better Method of MVDR (Minimum Variance Distortionless Response) Mode Filtering Based on Mode Decomposition
Yi Feng;Sun Chao;Xiang Longfeng;Liu Zongwei

..............page:112-116

Designing Teardrop-Shaped Diversion Orbit of Spacecraft Based on Elliptic Reference Orbit
He Kangle;He Xingsuo;Song Ming;Chen Cuihong

..............page:145-148

A New and Better HMCK (Hybrid Algorithm Based on Membrane Concept and Kriging Model) Algorithm for Airfoil Design
Li Ding;Xia Lu

..............page:80-87

A New and Effective Design and Application of Swarm-Intelligence-Based Multi Agent System Architecture
Duan Junhua;Zhu Yi\'an

..............page:124-128

A Better Formation Planning Algorithm of Solar Sail Swarm Based on Behavior
Zeng Zhifeng;Tang Yihua;Chen Shilu;Qian Yu;Xu Min

..............page:44-49

An Efficient Three-Level Inverter Direct Torque Control (DTC) of Permanent Magnet Synchronous Motor (PMSM)
Luo Guangzhao;Li Fei;Yang Nanfang;Chen Zhe;Liu Weiguo

..............page:22-26

Fading Adaptive UPF (Unscented Particle Filtering) Algorithm and Its Application to Integrated Navigation
Gao Shesheng;Xue Li;Wei Wenhui

..............page:27-31

Exploring Abort of Manned Lunar Module from Powered Descent Phase
Liu Rui;Zhou Jun;Liu Yingying

..............page:50-55

Analyzing Drag Characteristics to Obtain Effective Guidelines for Configuration Design of Lift-Fan VTOL
Zheng Zhicheng;Zhou Zhou;Chang Min;Wang Chen

..............page:6-10

A New and Better Geography Based Security Routing Protocol for Wireless Sensor Networks
Jiang Yi;Zhang Ruonan;Shi Haoshan

..............page:11-16

An Effective Deformation Analysis and Leveling Method for Work Positioning of Automatic Riveting System in Multi-Pose Space
Zhang Kaifu;Zeng Peijie;Luan Chao;Mu Weiqiang;Li Yuan

..............page:129-137

Exploring Orbit Motion Characteristics of Spacecraft under Constant Radial Thrust Acceleration
Gao Huai;Zhu Zhanxia

..............page:38-43

Improving Adaptive Synchronization Control of Coupled Spacecraft Attitude and Orbit
Tie Yujia;Yang Wei;Yue Xiaokui

..............page:32-37

A Novel and Rational Method Based on Decomposition of Correlated Variables for Analyzing Importance Measure
Hao Wenrui;Lu Zhenzhou;Tian Longfei

..............page:88-93

Hydrodynamic Characteristics and Stability Analysis of UUV (Unmanned Underwater Vehicle) Parking on the Seabed
Song Baowei;Zhu Xinyao;Shan Zhixiong;Wang Peng

..............page:94-101

Some Comparative Study of Turbulence Models for Fluidic Thrust Vectoring Nozzle
Zhang Qiang;Yang Yong

..............page:62-67

A New and Better Design of Space-Time Encoder and Decoder Based on Field Programmable Gate Array
Bao Tao;Zhang Huisheng;Dong Qunfeng

..............page:17-21

An Effective Aerodynamics/Acoustic Optimization of Blade Tip Planform for Helicopter Rotors
Guo Wangliu;Song Wenping;Xu Jianhua;Xu Ruifei

..............page:73-79