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Cellular Transmission

[Summary]Cell Transmission Model Cell Transmission Model (CTM) is a popular numerical method proposed by Carlos Daganzo[1] to solve the kinematic wave equation.[2][3] Lebacque [4] later showed that CTM is indeed the first order discrete Godunov approximation.


Cell Transmission Model

Cell Transmission Model (CTM) is a popular numerical method proposed by Carlos Daganzo[1] to solve the kinematic wave equation.[2][3] Lebacque [4] later showed that CTM is indeed the first order discrete Godunov approximation.[5]

1 Background

2 Implementation and Example

3 Lagged Cell Transmission Model

How Do Cell Phones Work? | Pong Case by Pong Research

With worldwide mobile subscriptions estimated to be around 7 billion in 2014, cell phones have become a universal and indispensable tool for modern life. With a cell phone, you can talk to anybody on the planet from almost anywhere. But do you really know how your cell phone works?

In the most basic form, a cell phone is essentially a two-way radio, consisting of a radio transmitter and a radio receiver. When you chat with your friend on your cell phone, your phone converts your voice into an electrical signal, which is then transmitted via radio waves to the nearest cell tower. The network of cell towers then relays the radio wave to your friend’s cell phone, which converts it to an electrical signal and then back to sound again. In the basic form, a cell phone works just like a walkie-talkie.

Cellular and molecular remodelling of a host cell for vertical transmission of bacterial symbionts

Cellular Transmission

Various insects require intracellular bacteria that are restricted to specialized cells (bacteriocytes) and are transmitted vertically via the female ovary, but the transmission mechanisms are obscure. We hypothesized that, in the whitefly Bemisia tabaci , where intact bacteriocytes (and not isolated bacteria) are transferred to oocytes, the transmission mechanism would be evident as cellular and molecular differences between the nymph (pre-adult) and adult bacteriocytes. We demonstrate dramatic remodelling of bacteriocytes at the developmental transition from nymph to adulthood. This transition involves the loss of cell–cell adhesion, high division rates to constant cell size and onset of cell mobility, enabling the bacteriocytes to crawl to the ovaries. These changes are accompanied by cytoskeleton reorganization and changes in gene expression: genes functioning in cell–cell adhesion display reduced expression and genes involved in cell division, cell motility and endocytosis/exocytosis have elevated expression in adult bacteriocytes, relative to nymph bacteriocytes. This study demonstrates, for the first time, how developmentally orchestrated remodelling of gene expression and correlated changes in cell behaviour underpin the capacity of bacteriocytes to mediate the vertical transmission and persistence of the symbiotic bacteria on which the insect host depends.


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Cellular vs. Satellite: Understanding the Differences

Cellular Transmission

A featured article on the benefits of satellite versus cellular in the energy sector.

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Cellular Transmission

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Analog and Digital Transmission | Telecommunications Technology Fundamentals | InformIT

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This chapter is from the book

This chapter is from the book 

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Analog and Digital Transmission

There are a number of differences between analog and digital transmission, and it is important to understand how conversions between analog and digital occur. Let's look first at the older form of transmission, analog.

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