Journal of Northwestern Polytechnical University 2002 Issue 1 A Circular Hydrophone Array for Supergain in Low Frequency

A Circular Hydrophone Array for Supergain in Low Frequency
zuo she feng ; ma yuan liang

..............page:79-82

Exploration of Easy Implementation of Constant Beamwidth and Constant Power for Underwater Broadband Sound Signal Transmitter
wang xin hong ; li zhi shun ; chen hang

..............page:75-78

A New and Practical Method for Color Image Watermarking
zheng jiang bin ; zheng yan ping ; zhao rong chun

..............page:70-74

A Fuzzy Algorithm for Better Edge Detection
zhou de long ; pu xiao bo ; pan quan ; zhang hong cai

..............page:66-69

A New and Better Method of Spectral Estimation
huang deng shan ; wang ding

..............page:62-65

An Improved Hardware-in-the-Loop Simulation System for PD Radar
liu feng ; chu zuo hui ; xu jia dong ; guo chen jiang

..............page:58-61

A Practical Soft-Switched Inverter: Analysis and Simulation
wan jian ; he zuo zuo ; xu de min

..............page:54-57

An Easily Generated and High-Quality Grid Generation Method for Aircraft Configuration
yang xu dong ; qiao zhi de ; zhu bing

..............page:49-53

Easily Implementable Complex Domain Algorithms of Blind Source Separation for Underwater Acoustic Array
ni jin ping ; ma yuan liang ; yang kun de

..............page:44-48

On Improving Underwater Target Tracking in P.R.China with Bearings-Only Measurements
zhang an min ; yang shi xing ; li zhi shun

..............page:40-43

A New and Practical Method for Inverting Sound Speed Profile in Shallow Water
zhang zhong bing ; ma yuan liang ; ni jin ping ; tong li

..............page:36-39

Experimentally Supported Stable Thermal Analysis of Gearbox Transmission System
ma zuo ; li jian hua ; chen guo ding

..............page:32-35

Damage Simulation of Composite Laminated Plate Subjected to Low Velocity Impact
peng jun ; liu yuan zuo

..............page:28-31

An Efficient Method for Recognizing License Plate
zhang yu zuo ; shi zhong ke

..............page:83-86

On Ensuring Acceptably Small Frequency-Offset in Digitized Demodulation of Multi-Channel QPSK Signals
zhou de suo ; wang feng

..............page:87-90

New Robust Control Law for Reconfigurable Flight Control System
luo feng ; li xiang ; deng jian hua

..............page:91-95

On Improving Performance of Military Aircraft While Assuring Sufficiently Robust Control
li zhong jian ; an jin wen

..............page:96-99

Survivability of Communication Networks
zhang sheng gui ; li xue liang ; wang li gong

..............page:100-103

On Providing Inexpensive but High-Resolution Weather Forecast in P.R. China
fu you ; hua zuo ; kang ji chang

..............page:104-108

On Improving Tactical Planning in Air Combat in P.R.China with Genetic Algorithm
zhou de yun ; li feng ; pu xiao bo ; zhou zong xi

..............page:109-112

Better Identification of Aviation Engine Model for Better Detection of Faults in P.R.China
qian feng ; deng fang lin

..............page:113-116

Moving-Mass-Center Control of Missile
yi yan ; zhou feng zuo ; zhou jun

..............page:117-120

An Integrated GPS/Gyro Attitude Estimator for Future Chinese Small Satellites
wang zhi sheng ; zhou jun ; zhou feng zuo

..............page:121-124

Low-Earth-Orbit Maintenance for Improving Remote Sensing in China
zhao li ping ; zhou feng zuo ; zhou jun

..............page:125-127

On Efficiently Removing Micron and Submicron Particles from Super-Smooth Optical Substrate in P.R.China
xu chuan yi ; shi xing kuan

..............page:128-131

2001 nian qian 9 ge yue guo ji hang kong yu hang zhai yao shou lu xi bei gong ye da xue lun wen 111 pian

..............page:154

On Proposing a New Fractal Index More Helpful to Fault Diagnosis in Vibration Engineering
qin wei yang ; meng guang ; ren xing min

..............page:24-27

An Iterative Method for Solving the Static Governing Equations of Interval Finite Element Method
guo shu xiang ; lv zhen zhou

..............page:20-23

A New Method for Truss Topology Optimization with Frequency Constraint
tong wei hua ; xu bin ; jiang jie sheng

..............page:14-19

On Better Understanding of Effect of Air Void Parameters on Freeze-Thaw Durability of Concrete
zhang de si ; cheng xiu zhen

..............page:10-13

On Better Understanding of Interlaminer Toughness of Interleaved CFRP Composites
jiao gui qiong ; yang bao ning ; xu jia yao

..............page:6-9

Forced Vibration of a Self-Excited System with Time Delay under Weak Harmonic Excitation
meng guang ; liu shu yuan ; fang tong

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

A Development Platform for Process Planning in P.R.China
xu jian xin ; kong xian guang ; zhang zhen ming ; huang nai kang ; fan qi zuo

..............page:132-136

On 3D Finite Element Simulation of Deformation for Cost Effective Forging of Titanium Alloy Turbine Blade
liu yu li ; yang he ; zhan mei

..............page:137-140

A Method of Preparing Uniformly Thick GexC1-x Film on Dome with Magnetron Sputtering
song jian quan ; liu zheng tang ; yu zhong qi ; geng dong sheng ; zheng xiu zuo

..............page:141-144

Further Reduction of Undesirable Brittleness of Bismaleimide Resins
wang ru min ; yang li ; zheng shui rong ; chen li xin ; lan li wen

..............page:145-150

Color Reaction of Copper(Ⅱ) with 2-[2-(5-Methylbenzothiazolyl)azo]-5-diethylaminobenzoic Acid
zhang jiao qiang ; fan xue zhong ; yan hong xia

..............page:151-154

On Relationship between Free Volume and Modulus of Polymer Matrix
zheng ya ping ; ning rong chang

..............page:155-157

Thermo-Sensitivity Behavior of N-Isopropylacrylamide Based Copolymers Containing Different Acrylic Ester Segments
hu zuo ; fan xiao dong

..............page:158-161

On Less Viscous and Inexpensive CPUR
meng ji ru ; liang guo zheng ; zhao lei ; qin hua yu

..............page:162-166

2001 nian qian san ge ji du gong cheng suo yin yue kan shou lu xi bei gong ye da xue lun wen 42 pian

..............page:5

2001 nian qian san ge ji du ma sheng li gong xue yuan deng 26 xiao gong you 14 pian lun wen wei gong cheng suo yin yue kan shou lu zai 40 xing yi shang

..............page:9

wo guo zai guo ji hang tian yi xue ling yu you liao ke xi de jin zhan

..............page:19

xi bei gong ye da xue 2001 nian du huo guo jia zi ran ke xue ji jin xiang mu zi zhu qing kuang

..............page:23

2001 nian qian 9 ge yue ma sheng li gong xue yuan deng 6 xiao shou guo ji hang kong yu hang zhai yao zhong shi lun wen pian shu

..............page:27

qi ge ji du you si zhong guo nei qi kan gong shi liu qi bei guo ji hang kong yu hang zhai yao shou lu ping jun xing shu zai 9.00 yi shang

..............page:69

xin jia po liang suo da xue 12 ge yue qi jian zai gong cheng suo yin yue kan shang shou lu de lun wen cheng ji tu chu

..............page:78

2001 nian qian san ge ji du gong cheng suo yin yue kan shou lu ma sheng li gong xue yuan deng 24 xiao jie shao zai 24 xing yi shang de lun wen 563 pian

..............page:95

xi bei gong ye da xue li jing long bo shi de ri ben xue shu zhen xing hui bo shi hou yan jiu ji jin

..............page:99

xi bei gong ye da xue xue bao 1995 nian di 13 juan zhi 2000 nian di 18 juan gong you 693 pian lun wen bei gong cheng suo yin yue kan huo guang pan ban shou lu

..............page:150