Seismic Data Acquisition | 3d Seismic Data Acquisition | Pcmcia Data Acquisition | Naeva Geophysics | Pc104 Data Acquisition | Digatron Data Acquisition | Traqmate Data Acquisition | Paradigm Geophysical Corp



Seismic Data Acquisition




Seismic Data Acquisition System For Design & Implementation Using PC104


The system for seismic data acquisition converting from analog to digital data has been integrated in order to develop an acquisition device. Contrary to digitizers currently used seismic data acquisition using PC-104 or industrial personal computers have been able to produce a more affordable digitizer (i.e. an analog to digital converter) which is proven to be able to overcome issues such as portability, efficiency and durability.

PC104 which was used in the study was Arbor production with Emcore n511 serial number within the operating system and the programming languages were DOS 6.02 and C respectively. This research resulted in the design of a prototype device which was based on PC104 and it created a program to record seismic data.

The program was compiled using Microsoft's Windows XP operating system using Borland C 5.02 software. The input range of the data acquisition system that was tested is ± 10V.

The performance test results showed a resolution of ±0.915 mV, a linearity of 0.2% full-scale reading, instrument work noise was ±1.2 mV with a maximum frequency distortion of 2%.

The instrument performed well at a rate of between 10 Hz to 5000 Hz. but the software had a limited capacity of only 1000 Hz. From the results of a comparative tests with Digitizer Güralp Type CGM-DM16R8, the value of the RMS error was 4.64%.


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Data Acquisition - An Important Factor in Any Research

By Adrian F Alexa
Data acquisition has become more and more popular among companies worldwide. Data acquisition can be used for recording wave forms and signals from several physical phenomena, like pressure, density, temperature, humidity, for studying seismic activity, weather broadcasting, manufacturing, wireless and PC data recording, water treatment, power and production purposes and also for monitoring, controlling and managing businesses. Depending on the purposes for which they use this process, companies must have a particular data acquisition software, to help them manipulate the information they record in a faster and easier way.
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Partners & Suppliers in the Oil & Gas Services Sector - Part 1

By Hans Bool
There are 16 companies in this (sub) sector, most of them of Norwegian origin, two from the Netherlands and three from Britain, two from France and one from Italy. These companies have been selected from a sector overview of Goldman Sachs, focused on European companies as part of portfolio of a single analyst.
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Multifamily Demographics: Big Easy Patterns

By John Wilhoit Jr
Since the turn of the century the U.S. population has grown almost ten percentage points. That's a lot of heads in beds! Recognizing a full one third of the population rents, how do we find these new customers for multifamily property owners? Where are all these new people? Let's find some clues in demographic pattern recognition.
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Partners & Suppliers in the Oil & Gas Services Sector - Part 2

By Hans Bool
The second part of the view on partner and supplier in this sector. Prosafe comprises a parent company and the business division Offshore Support Services, the world's leading owner and operator of semi-sumbersible accommodation/service rigs.
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Data Acquisition Systems & Research

By Diana Valentine
Data acquisition systems involves the recording of real life data over a period of time, which can be used for storage and analysis, thereby providing great insight into the wide variety of natural as well as artificial processes.
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Seismic Data Acquisition | 3d Seismic Data Acquisition | Pcmcia Data Acquisition | Naeva Geophysics | Pc104 Data Acquisition | Digatron Data Acquisition | Traqmate Data Acquisition | Paradigm Geophysical Corp