Sending End
Sending End - Related Videos
04:17
Approximate Number Sense Test
0 Views •
2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University A common carnival game is to ask people to guess the number of jellybeans packed into a jar. The chances that anyone will get the exact number right are low. But what about the chances that someone will guess 17 or 147,000? Probably even less than the chances of guessing the correct answer; 17 and 147,000 just seem irrational. Why? After all, if the beans cannot be taken out and counted one-at-a-time, how can someone tell that an...
05:15
The Rouge Test: Searching for a Sense of Self
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2023
Source: Laboratories of Nicholaus Noles and Judith Danovitch—University of Louisville Humans are different from other animals in many ways, but one of the abilities that sets humans apart is their advanced ability to understand other people and simulate their thoughts and feelings, even when the thoughts and feelings do not align with their own. In scientific terms, these abilities are referred to as theory of mind, and this understanding is necessary for activities like giving compliments,...
02:57
The Sense of Self: Reflected Self-Appraisal and Social Comparison
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2020
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
16:40
A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
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Cited by 5 •
2012
Dual-chamber implantable cardioverter-defibrillators (ICDs) may improve detection of atrial fibrillation as well as differentiation of tachycardias. However, this advantage is undermined by complications associated with the second electrode, which is required in conventional dual chamber devices. Therefore, BIOTRONIK has developed a new electrode called the LinoxSMART S DX that, when used in conjunction with the Lumax DX ICD, offers dual-chamber detection without the risks associated with the...
11:25
Making Sense of Listening: The IMAP Test Battery
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Cited by 31 •
2010
A test battery (IMAP) for performing an in-depth assessment of auditory and cognitive abilities contributing to listening skills is described. It is quick to administer, child-friendly and free from linguistic confounds. Stimulus generation and protocol management are controlled via a software platform (IHR-STAR) to ensure replicable procedures.
FAQs
At the sending end, processing is organized as a signal chain. Encoding prepares the information for transmission, modulation places it into a suitable signal form, amplification raises signal strength, and filtering controls the signal content. These operations are coordinated rather than treated as isolated steps because each affects how efficiently the next stage operates. The resulting design influences bandwidth use and signal quality.
Encoding and modulation perform different tasks within the transmission process. Encoding prepares the original voice, data, or sensor information in a form suitable for communication, while modulation transfers that prepared information onto an electrical, optical, or radio-frequency signal. Separating these functions helps engineers organize how information is represented and how it is carried through the communication channel.
Amplification increases the strength of the signal before it enters the channel. This matters because signal strength contributes to transmission range and the ability to preserve signal quality during transfer. However, amplification is one part of a larger source-side design: filtering and the selected signal form also influence bandwidth use and resistance to interference, so strength alone does not determine link performance.
Filtering controls the content of the transmitted signal before it reaches the channel. By shaping what is sent, it supports more efficient bandwidth use and can contribute to resistance to interference. In engineering designs, filtering therefore works alongside encoding, modulation, and amplification rather than replacing them. Its importance becomes especially clear when signal quality and reliable information transfer are design priorities.
A typical source-side sequence begins with the information to be transferred, such as voice, data, or a sensor signal. The system then encodes the information, modulates it into an electrical, optical, or radio-frequency signal, amplifies it, and applies filtering before transmission through the channel. This sequence gives engineers a structured way to connect message preparation with range, bandwidth, and quality requirements.
These principles support wired and wireless networks, telemetry systems, digital communication links, and other technologies that transfer information. The source-side design must be matched to the intended communication setting because electrical, optical, and radio-frequency signals provide different transmission forms. Engineers use the resulting signal-processing choices to address practical goals such as transmission range, bandwidth use, signal quality, and resistance to interference.