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WIPO IPC: Internet Publication
WIPO IPC: Internet Publication

... change in the length of a column of mercury. However, since the same device or instrument may, instead of giving an immediate indication, be used to produce a record or to initiate a signal to produce an indication or control effect, or may be used in combination with other devices or instruments to ...
user`s manual
user`s manual

... 4.4.5 Electrical Conduit and Cable Installation..................................................................... 4-26 4.4.5.1 Conduit ........................................................................................................... 4-26 4.4.5.2 Cables................................... ...
TR41.9.2-04-11-003-R1-TSB31C
TR41.9.2-04-11-003-R1-TSB31C

... This document is a TIA Telecommunications Systems Bulletin (TSB), produced by Working Group TR-41.9.2 under subcommittee TR-41.9 of Engineering Committee TR-41, User Premises Telecommunications Requirements, under the sponsorship of the Telecommunications Industry Association. Telecommunications Sys ...
Dynaudio Professional BM14S II manual.indd
Dynaudio Professional BM14S II manual.indd

Variations in the Significant Instants of a Clock or Data Signal
Variations in the Significant Instants of a Clock or Data Signal

... changes are usually referred to as “wander.”) A more useful measure of jitter in a digital system is the period jitter. The period jitter is usually measured as the difference between the longest period and the shortest period. The period jitter is needed to ensure that there is adequate setup time ...
RF Diode Design Guide
RF Diode Design Guide

... frequency, is selected by a filter and then amplified. The output of the amplifier is measured by a detector circuit, which controls the attenuator described above in order to maintain the optimum input signal level for the I/Q demodulator. The outputs of the I/Q demodulator are low pass filtered an ...
crystal sets to sideband
crystal sets to sideband

... you will hear a voice reciting the letter groups. Sometimes the woman announcer finishes by saying, “Thank you for decoding this message!” Since hams are forbidden to use codes or modulation modes that are not easily decoded, these communications are at least illegal. Yes, it’s true that shortwave i ...
Analysis of Linear Coaxial Antennas
Analysis of Linear Coaxial Antennas

... expanded by using the finite-element method. In [2], a power conservation technique is applied to analyze a coaxial-fed monopole antenna. In [3], a coaxial opening is flushed with an infinitely large ground plane and the center conductor is mounted with a hemisphere to reduce signal reflection. Coax ...
Getting to know each other: The role of toeholds in acquisitions
Getting to know each other: The role of toeholds in acquisitions

... conditions, the benefits are most likely to exceed the financial and non-financial costs of acquiring a toehold (costly negotiations, management distraction, possible losses in the value of the toehold if a takeover does not take place, etc.). We test the predictions of the model using a large sampl ...
HFAN-04.5.1 Measuring Random Jitter on a
HFAN-04.5.1 Measuring Random Jitter on a

- Free Documents
- Free Documents

... Technologies. VIA Technologies makes no warranties, implied or otherwise, in regard to this document and to the products described in this document. The information provided by this document is believed to be accurate and reliable to the publication date of this document. However, VIA Technologies a ...
Home | Acal BFi IT
Home | Acal BFi IT

Fundamental Understanding of Piezoelectric Strain Sensors
Fundamental Understanding of Piezoelectric Strain Sensors

AUTROL APT3200 SERIES SMART PRESSURE TRANSMITTER OPERATION MANUAL
AUTROL APT3200 SERIES SMART PRESSURE TRANSMITTER OPERATION MANUAL

... (c) If possible, it is preferable at normal temperature and humidity (approx. 25°C, 65% RH). However, it has an ambient temperature and relative humidity within the following ranges. ● Ambient Temperature: -40 ~ 85°C (without LCD module) -30 ~ 80°C (with LCD module) * General Use -20 ~ 60°C (CSA Exp ...
Basics on Radar Cross Section Reduction Measurements of Simple
Basics on Radar Cross Section Reduction Measurements of Simple

Design Guide VT82C694X Apollo Pro133A with VT82C686A South
Design Guide VT82C694X Apollo Pro133A with VT82C686A South

... 2.2.1.1 ATX Form Factor for Slot-1 System ................................................................................................................... 10 2.2.1.2 Micro ATX Form Factor for Slot-1 System............................................................................................ ...
Hardware and Layout Design Considerations for DDR Memory
Hardware and Layout Design Considerations for DDR Memory

trav`ler® winegard
trav`ler® winegard

... If your TRAV’LER system is properly tuned and receiving signal, the satellite dish icon on the front of the Shaw Direct receiver will be highlighted in green. If the TRAV’LER system is stowed or not tuned to the Shaw Direct satellites, the satellite icon on the front of the Shaw Direct receiver will ...
Wavelength-Preserving Polarization-Insensitive All-Optical 3R
Wavelength-Preserving Polarization-Insensitive All-Optical 3R

... BER penalty. To fully validate the regeneration scheme, the cascadability is demonstrated using a recirculating loop. For a 10 Gb/s signal, with a regenerator spacing of 240 km, a return-to-zero, on-o -keyed (RZ-OOK) signal was transmitted over 18,000 km (75 loops) with a power penalty of 1.6 dB at ...
EN 300 342-03 - V01.02.01 - Electromagnetic compatibility
EN 300 342-03 - V01.02.01 - Electromagnetic compatibility

... of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http://www.etsi.org/ipr). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of o ...
Pentium Processor Clock Design
Pentium Processor Clock Design

IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)

... directivity of microstrip patch antenna. The designed metamaterial has negative values for both effective permittivity and permeability. The metamaterial cover is placed at a height of 3.2 mm from the ground plane. As left handed metamaterial has the property of focusing radiations of antenna [30][3 ...
Lower and upper bounds on the minimum mean
Lower and upper bounds on the minimum mean

... initial state probabilities and state transition probabilities are strictly positive. The subsources are assumed to satisfy only mild technical regularity conditions. It is shown that the mmse can be decomposed into two error components. The first is the mmse of the estimator that is informed of the ...
BDTIC  www.BDTIC.com/infineon
BDTIC www.BDTIC.com/infineon

Study Guide for Exam Questions
Study Guide for Exam Questions

... C. Only when all amateur stations are instructed to stop transmitting D. When the President’s War Emergency Powers have been invoked ...
1 2 3 4 5 ... 37 >

Battle of the Beams



The Battle of the Beams was a period early in the Second World War when bombers of the German Air Force (Luftwaffe) used a number of increasingly accurate systems of radio navigation, mainly developed by Johannes Plendl, for night bombing in the United Kingdom. British scientific intelligence at the Air Ministry fought back with a variety of their own increasingly effective means, involving jamming and distortion of the radio waves. The period ended when the Wehrmacht moved their forces to the East in May 1941, in preparation for the attack on the Soviet Union.
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