搜索结果: 1-10 共查到“船舶与海洋工程 measurement”相关记录10条 . 查询时间(0.093 秒)
The knowledge of bottom scattering feature in shallow water is required to improve the prediction of an active sonar performance. Nevertheless, the direct measurement of the scattering feature is gene...
Low Frequency Ambient Noise Measurement in Sagami Bay
Low Frequency Ambient Noise Measurement Sagami Bay
2009/8/19
For the purpose of monitoring deep seafloor environmental changes associated with a submarine earthquake swarm, a cabled observatory consisting of multidisciplinary sensors including a hydrophone was ...
Measurement of the Frequency Characteristics of the Scattering Amplitude Using the Dolphin's Sonar Signal
Frequency Characteristics Scattering Amplitude Dolphin's Sonar Signal
2009/8/19
Dolphins detect, pursuit, and prey fish as their food by using their excellent sonar ability. If some advantages of their sonar such as object identification ability are introduced to our fisheries ec...
Automatic and Continuous Measurement of Nutrient at Coastal Field
Monitoring System Continuous Measurement Nutrient Flow Injection
2009/5/19
Some of the environmental factors such as dissolved oxygen, chlorophyll, turbidity and so on can be measured by electric sensor recently. It enables to measure these continually and automatically. Thi...
Study on Monitoring System of Coastal Environment (2nd Report)— Assimilation of Measurement Data and Mathematical Model —
Environment Monitoring Short-Term Prediction P-N Model State Space Model
2009/5/12
In order to develop a practical method for monitoring of coastal environment, the authors propose a new assimilation method of measured data with mathematical model. The present method enables to pred...
Study on Local Strain Distribution Measurement for Structural Members by using Piezoelectric Material and Sensor Array
Local Strain Distribution Measurement Structural Members Piezoelectric Material Sensor Array
2009/4/30
A new technique for surface strain distribution measurement has been developed by the use of piezoelectric material and sensor array. A piezoelectric element (PVDF film) is mounted onto the structure ...
A Study on Diffusing Aspect and Ventilation of Metallic Fume for Improvement of Working Environment in a Fabrication Shop(Part 1 Measurement of metallic fume)
Diffusing Aspect Metallic Fume Working Environment Fabrication Shop
2009/4/30
As a recent tendency to take high interest in the environmental problem, the time has come to reconsider the present working environment. Especially, air pollution caused by the generated metallic fum...
An Image Analysis Approach to the 3D Position Measurement of Riser End
Image Analysis 3D Position Measuremen Riser End
2009/4/29
Re- entry operation is requested to make the connection of the riser end with the bottom platform (BOP). In re-entry operation, the relative position between the riser end and the bottom platform shou...
Full Scale Measurement of Stresses and Deflections of a Post-Panamax Container Ships
Full Scale Measurement Stresses Deflections Post-Panamax Container Ships
2009/4/16
Large container ship has required designers to take account of constraints such as hull girder strength due to torsional, vertical and horizontal bending moment, fatigue strength of hatch corner and h...
A Study on Draught Measurement System Using GPS Multi-path Signal
draught gauge remote display equipment
2009/3/30
Multi-path signal affects to decrease the quality of receiving signal according to a bad influence on direct receiving signal for data communication. So developers of GPS receiver, antenna and softwar...