Category: Figure e1

Figure e1

E1, E2 and E3. This page is based upon a section that I wrote for Wikipedia. Since future modifications to that article are out of my control, I thought it would be a good idea to archive that material on this web site.

The case of a nuclear electromagnetic pulse differs from other kinds of electromagnetic pulse EMP in being a complex electromagnetic multi-pulse. The complex multi-pulse is usually described in terms of three components, and these three components have been defined as such by the international standards commission called the International Electrotechnical Commission IEC.

E1 Commercial NG Cut_Yuna Kim 2012

The E1 pulse is the very fast component of nuclear EMP. The E1 component is a very brief but intense electromagnetic field that can quickly induce very high voltages in electrical conductors. The E1 component causes most of its damage by causing electrical breakdown voltages to be exceeded. E1 is the component that can destroy computers and communications equipment; and it changes too fast for ordinary lightning protectors to provide effective protection against it.

Consumer transient protectors are becoming increasingly able to handle faster rise-time pulses, though. There are special transient protectors that are fast enough to suppress nuclear EMP. The E1 component is produced when gamma radiation from the nuclear detonation knocks electrons out of the atoms in the upper atmosphere.

The electrons begin to travel in a generally downward direction at relativistic speeds more than 90 percent of the speed of light. In the absence of a magnetic field, this would produce a large pulse of electric current vertically in the upper atmosphere over the entire affected area. The Earth's magnetic field acts on these electrons to change the direction of electron flow to a right angle to the geomagnetic field.

This interaction of the Earth's magnetic field and the downward electron flow produces a very large, but very brief, electromagnetic pulse over the affected area. Physicist Conrad Longmire has given numerical values for a typical case of the E1 pulse produced by a second generation nuclear weapon such as those used in high altitude tests of Operation Fishbowl in According to Longmire, the typical gamma rays given off by the weapon have an energy of about 2 MEV million electron volts.

When these gamma rays collide with atoms in the mid-stratosphere, the gamma rays knock out electrons. This is known as the Compton effect, and the resulting electrons produce an electric current that is known as the Compton current. The gamma rays transfer about half of their energy to the electrons, so these initial electrons have an energy of about 1 MEV.

This causes the electrons to begin to travel in a generally downward direction at about 94 percent of the speed of light. Relativistic effects cause the mass of these high energy electrons to increase to about 3 times their normal rest mass. If there were no geomagnetic field, and no additional atoms in the lower atmosphere for additional collisions, the electrons would continue to travel downward with an average current density in the stratosphere of about 48 amperes per square meter.

Because of the downward tilt of the Earth's magnetic field at high latitudes, the area of peak field strength is a U-shaped region to the equatorial side of the nuclear detonation. For nuclear detonations over the continental United States, this U-shaped region is south of the detonation point. Near the equator, where the Earth's magnetic field is more nearly horizontal, the E1 field strength is more nearly symmetrical around the burst location.

The Earth's magnetic field quickly deflects the electrons at right angles to the geomagnetic field, and the extent of the deflection depends upon the strength of the magnetic field. At geomagnetic field strengths typical of the central United States, central Europe or Australia, these initial electrons spiral around the magnetic field lines in a circle with a typical radius of about 85 meters about feet.These flexible interface cards support multiple integrated data and voice applications, facilitating the migration from data-only as well as circuit-switched voice services to a packet voice solution.

Table 1. Part Number. Number of Ports. Clear-Channel Data. MFT Packet Voice. Unstructured E1 G. Channelized Data. In addition to the features listed in Table 1, these modules support both T1 and E1, providing additional flexibility for supporting T1, fractional T1, E1, and fractional E1 for both voice and WAN applications simultaneously.

Voice applications can now be clocked independently from data applications, with all ports for voice applications clocked from a single source. The PVDM4 also provides for echo cancellation of up to ms echo-tail length for demanding network conditions. Refer to Table 2 for all configuration options offered with the modules.

An additional onboard PVDM4 is required. Also, each NIM has its own PVDM4, so each module can be connected to a different service provider with no single clock domain restriction.

The ISRs support H. Typically a drop-and-insert multiplexer is used for channelized that is, TDM integration of data and voice onto a single T1, fractional T1, E1, or fractional E1 connection to the central office. You can cross-connect the TDM DS-0 channels with analog voice ports to create an analog cross-connect solution. Table 2.

Configuration Description. MFT Modules. Channelized Modules. Data Only. E1 unframed G.

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Not supported. Voice Only. Voice and Data. Drop and insert. Data applications require the IP Base technology package, which is included by default. Voice applications require a minimum of the UC technology package, which is optional. Table 3. T1 Network Interface Specifications. T1 Network Interface. Transmit bit rate. Receive bit rate.All content related to E1 Surface water. Cited content in this document can be found on the Building CodeHub website. All of the Acceptable Solutions and Verification Methods relating to E1 are contained in one document.

It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people:. Skip to main content Skip to search Skip to primary navigation. All content related to E1 Surface water Print Share. Show details. Where this information relates to assisting people: with compliance with the Building Act, it is published under section of the Building Act with a Weathertight Services claim, it is published under section 12 of the Weathertight Homes Resolution Services Act Print Print this page recommended This will print only the current page of this guidance document.

Print this page.Go to Solution. This means that each of my E1 port on that module will be numbered as follows depending on how many ports I have in my case it is 4. Now you define your card type using your slot and subslot number based on the output of your sh inv.

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VIP Mentor. Re: how to figure out ISR E1 slot,bay and subslot number? It is easier than you think. In my example, here is my sh inv. Dennis Mink. VIP Advisor. Please remember to rate useful posts, by clicking on the stars below. Latest Contents. Unified Attendant Console Advanced Created by eliegerges on PM. Created by Joseph Thvedt on PM.This document describes how to connect the ohm adapter cable on any Cisco ohm E1 multichannel port adapter that must connect to a ohm unbalanced G.

This document contains the following sections:. The ohm adapter cable connects Cisco ohm E1 port adapters to ohm unbalanced G. The adapter has an eight-pin RJC connector on the ohm side and dual BNC coaxial connectors transmit and receive on the ohm side.

Note Early versions of this cable do not have the ground switches. Connect the ohm adapter cable between the port adapter and the ohm unbalanced G. Step 1 Set the two ground switches to the desired position. Note To ground the outer conductor of the cable, both switches must be in the down position. Step 3 Attach the network end of your Category 3 or Category 5 cable to your ohm adapter cable. Step 4 Attach the BNC connector of the ohm adapter cable marked receive to the network device connector marked transmit.

Step 5 Attach the BNC connector of the ohm adapter cable marked transmit to the network device connector marked receive. Cisco documentation and additional literature are available in a Cisco Documentation CD-ROM package, which is shipped with your product. You can submit comments electronically on Cisco. In the Cisco Documentation home page, click the Fax or Email option in the "Leave Feedback" section at the bottom of the page. You can submit your comments by mail by using the response card behind the front cover of your document or by writing to the following address:.

Cisco provides Cisco. Customers and partners can obtain online documentation, troubleshooting tips, and sample configurations from online tools by using the Cisco Technical Assistance Center TAC Web Site.

Simulation of the E1 and E6 Galileo Signals using SIMULINK

If you want to obtain customized information and service, you can self-register on Cisco. To access Cisco. Network functionality is noticeably impaired, but most business operations continue. No workaround is available. The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of service contracts, when applicable.It was simple to book our return trip to the airport so there were no worries.

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Choosing an analysis method. Measurement theory and practice: The world through quantification. The Cambridge Dictionary of Statistics. Cambridge, UK New York: Cambridge University Press. In Pearsall, Deborah M. Journal of the American Statistical Association.

How to Lie with Statistics. Studies in the history of statistical method. The Principles of Experimentation, Illustrated by a Psycho-physical Experiment, Section 8. Fisher, The Design of Experiments ii. American Educational Research Journal. Fisher and the Design of Experiments, 1922-1926". Journal of the Royal Statistical Society.

Installing the 75-120 Ohm Adapter Cable on E1 Multi-Channel Port Adapters

A statistic (singular) or sample statistic is a single measure of some attribute of a sample (e. A statistic is distinct from a statistical parameter, which is not computable, because often the population is too large to examine and measure all its items.

However, a statistic, when used to estimate a population parameter, is called an estimator. For instance, the sample mean is a statistic that estimates the population mean, which is a parameter. In calculating the arithmetic mean of a sample, for example, the algorithm works by summing all the data values observed in the sample and then dividing this sum by the number of data items.

A statistic is an observable random variable, which differentiates it both from a parameter that is a generally unobservable quantity describing a property of a statistical population, and from an unobservable random variable, such as the difference between an observed measurement and a population average.

Statisticians often contemplate a parameterized family of probability distributions, any member of which could be the distribution of some measurable aspect of each member of a population, from which a sample is drawn randomly. For example, the parameter may be the average height of 25-year-old men in North America.

The average of the heights of all members of the population is not a statistic unless that has somehow also been ascertained (such as by measuring every member of the population).

The average height that would be calculated using all of the individual heights of all 25-year-old North American men is a parameter, and not a statistic. Important potential properties of statistics include completeness, consistency, sufficiency, unbiasedness, minimum mean square error, low variance, robustness, and computational convenience.

Information of a statistic on model parameters can be defined in several ways. The most common is the Fisher information, which is defined on the statistic model induced by the statistic. Kullback information measure can also be used.


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