The Newsletter for PC-Based Data Acquisition and Control
Issue 102 www.windmill.co.uk January 2007
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* Excel Corner: Editing the Same Cell in Several Sheets
* DAQ News Roundup
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Excel Corner: Editing the Same Cell in Several Sheets
Often all worksheets in a workbook will have the same
structure. Imagine you are logging data every hour each
day. Each worksheet contains a day's data, and there
are seven sheets in a workbook. The sheets all have the
same number of rows and columns (Time, Channel 1,
Channel 2, etc).
In a situation like this it is easy to simultaneously
modify a particular cell in each worksheet.
1. Select all the worksheets in a workbook: right-click
a sheet tab then click Select All Sheets on the
shortcut menu. Excel shows [Group] in its
2. Make your changes to one of the worksheets. The
changes are automatically made on every other sheet
selected as well.
3. De-select the worksheets by moving to one of the
The changes you made on the first sheet will be made
on all selected sheets.
For more tips on using Excel for data acquisition and
DAQ News Roundup
Welcome to our roundup of the latest data acquisition
and control news. If you would like to receive more
timely DAQ news updates then grab our RSS newsfeed
on how to display the news on your own web site,
read it via e-mail or through a newsfeed viewer.
Tool Helps Write Rules for XML Communication
XML allows computers to exchange information and act
on it. Rules called schemas that stipulate precisely
the type of information included in the document and
how to handle it are critical to XML communication.
Every month thousands of new schemas are introduced.
Not all of them, however, are precise enough to
transmit the needed information without misunderstandings.
NIST have just released a tool to help people develop
well thought out schemas that are easy to understand,
implement, maintain and expand. A test site contains
sets of design rules for schemas as well as tests for
the rules. Visitors to the site can use the rules to
check whether a schema that they are developing or
using meets good XML communication guidelines.
Source: National Institute of Standards and Technology
Ethernet Leading Growth in Industrial Networking
Growth in the world market for industrial networking
is being driven by a substantial increase in the use
of Ethernet based technologies, according to a new
report from IMS Research. The report predicts average
annual growth of 13% over the next 5 years. in terms
of nodes installed. Over the same period Ethernet
based protocols are forecast to grow at the
substantially higher annual rate of 20.3%.
Source: IMS Research
Vibrations could Reveal Landmine Locations
A new acoustic sensor system is capable of spotting
hidden landmines at distances of up to 30 metres. The
acoustic array, about the size and shape of a dart
board and studded with small canisters, emits a
concentrated beam of sound waves at ultrasonic
frequencies that is aimed at the minefield. Through a
process known as self demodulation, the air in front of
the beam converts the ultrasound to audible sound as
it travels over a distance of about 10 metres. Unlike
ultrasound, audible sound can travel through the
ground. When the highly concentrated sound waves hit a
solid object, they cause it to vibrate. The vibrations
make their way to the surface where they are detected
by a laser system.
Source: New Scientist
Smallest GPS Chip Developed
Infineon Technologies AG and Global Locate, Inc. have
developed the smallest Global Positioning System (GPS)
receiver chip for mobile devices. The chip measures
3.74 mm x 3.59 mm x 0.6 mm, for a total footprint of
less than 14 mm squared.
Intel Reveals New Transistor Technology
Intel are using new materials for its next generation
chips. Silicon dioxide has been used to make the
transistor gate dielectric for more than 40 years.
Continued shrinkage has led to increased current
leakage, resulting in wasted electric current and
unnecessary heat. For their new chips Intel are
usine a new material with a property called high-k,
for the transistor gate dielectric, and a new
combination of metal materials for the transistor
Optical sensor detects viruses fast
Scientists at the University of Twente in The
Netherlands have developed an ultrasensitive sensor
that can be used in a handheld device to detect various
viruses and measure their concentration. The sensor
could be used to quickly screen people at hospitals,
airports and emergency clinics to control outbreaks of
diseases such as SARS and bird flu.
Source: University of Twente
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