«MICROWAVE DETECTOR»に関連する英語の本
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_ -— DETECTED MICRWOAVE C R INPUT “-9 SIGNAL c - B - MICROWAVE
DETECTOR DIODE the diode is open. Thus, during that period, the microwave
circuit is open. The capacitance C is for the cycle-to-cycle voltage smoothing.
P/P,= j 1 1 1 + +0)2 Cj /?, (10.5) The microwave detector diodes are sensitive and
operate with RF signal without any dc bias. The diode is mounted in a waveguide
or a coaxial line (Fig. 10.3), which contains matching elements, so that VSWR ...
Annapurna Das, Sisir K. Das, 2000
3
Industrial Instrumentation & Control,2e
The reflection type of microwave detector is simpler to install and to start up. It is
useful on granular solids and powders such as limestone, carbon black, and
pelletized materials where it has advantages in terms of abrasion and coating ...
4
Microwave Engineering 2E
... useful power input to the total power input Pa/Pt = 1 1 1 1 2 2 2 + = + ( / ) || I V
RR Y RR sj j sj = 1 1 =+ Y jC j j w (10.5) 1 2 2 ++ RR CRR Rsj jsj j/ ; w The
microwave detector diodes are sensitive and operate with RF signal without any
dc bias.
5
Intrusion Detection Systems
It also has a secondary microwave detector that operates independently of the
primary microwave for applications in which detection is required under extreme
environmental conditions when the background temperature nearly equals the ...
6
Precision Measurement and Calibration: Electricity
The attenuation of the modulation-frequency power delivered from the output of
the microwave detector is measured by a standard attenuator such as a standard
ratio transformer. The range of attenuation measurement, as in i.f. substitution ...
When there is air or vapour present inside the vessel, strong microwave signals
are received at the receiver end and detected by the microwave detector. As the
level of process material increases, it brakes the transmission of microwaves and
...
M. D. SINGH, J. G. JOSHI, 2006
8
Home Security: Alarms, Sensors and Systems
As with the microwave detector, the use of the Doppler principle gives the device
a high sensitivity to movement towards or away from the detector. It is less
sensitive to sideways movement. The passive infra-red sensor has the opposite ...
Microwave detector diodes can be classified into two categories, one is crystal
diodes or point contact diodes and the other one is Schottky diodes. Both the
types are widely used for detection and mixing. Structurally, crystal diode consists
of a ...
10
Electronic Security Systems: A Manager's Guide to Evaluating ...
To reflect back to an earlier example, if water is flowing down a drainpipe in the
wall, the microwave detector might detect the motion and think it is an intruder,
but the infrared sees nothing. The reason being that the infrared energy is
blocked ...
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Trackside CCTV tackles rail industry problems
... a speaker which sounds a pre-recorded message when the infrared or microwave detector alarm is triggered to warn would-be thieves away, ... «E&T magazine, 4月 15»
Rose City's bright idea
The bureau is experimenting with a microwave detector at Southeast Powell and 24th Avenue that can manage the traffic signal to deal with ... «Portland Tribune, 10月 14»
Physicists aim to make transition to quantum world visible
As part of his work within the SCALEQIT project, Wilhelm-Mauch has already developed a highly efficient microwave detector that can detect ... «Phys.Org, 10月 13»
Best of Santa Fe - Localize It!
... allegedly, “a new stealth array atop the Hotel Santa Fe has been giving [Firstenberg] fits and causing high readings on a microwave detector ... «Santa Fe Reporter, 7月 13»
Analog Devices Unveils New RF and Microwave Innovations at …
... ADL6010 microwave detector is accurate from 500 MHz to 40 GHz, has a 50-ohm input impedance and an input range of -30 dBm to 15 dBm. «Korea IT Times, 6月 13»
Planck telescope peers into primordial Universe
Its high-frequency microwave detector is cooled to just 0.1 degrees above absolute zero, which enables it to detect temperature variations as ... «Nature.com, 3月 13»
New View of Primordial Universe Confirms Sudden 'Inflation' after …
Its high-frequency microwave detector is cooled to just 0.1 degrees above absolute zero. That enables it to detect variations in the temperature ... «Scientific American, 3月 13»
NASA's Juno Spacecraft Blasts Off on Mission to Jupiter
"We are going to be using a microwave detector and fly just over the clouds of Jupiter, looking down at different cloud depths to measure the ... «Fox News, 8月 11»
Headin' Out: NASA Aims for Jupiter, Mars and the Moon
At the same time, the ship's microwave detector will be able to peer down into the atmosphere to look for the telltale signatures of water and ... «TIME, 6月 11»
China Launches First Moon Probe
A microwave detector will bounce signals down to the Moon?s surface, operating on four different frequencies to determine the lunar regolith?s ... «Space Com, 10月 07»
