Random Sampling is the most common sampling technique
Digital transformation of the sampling rate of signals, or signal processing with different sampling rates in the system.
channel
what is communication system explain with block diagram.
Now days world's most of work depend on communication system because Inernet is main part of cmmunication system also mobile communication system is like daily routine of d people
internet
Injection and sampling techniques are methods used to introduce a sample into an analytical system for measurement and analysis. Injection refers to the process of introducing a specific volume of a sample into a device, such as a chromatograph or mass spectrometer, ensuring accurate and reproducible results. Sampling techniques involve selecting a representative portion of a larger population or material for testing, which can include methods like random sampling, stratified sampling, or composite sampling. Together, these techniques are crucial in fields like chemistry, environmental science, and quality control for obtaining reliable data.
The common way of communication in disaster management is the emergency communication system. This computer-based system supports one-way and two-way communication for emergency messages.
Communication (Noun): a process by which information is exchanged between individuals through a common system of symbols, signs, or behavior ; also : exchange of information
Inactive and passive
The Nyquist Theorem says that the sampling frequency should be twice the bandwidth to avoid aliasing. Thus if the bandwidth of the system is bw then the sampling frequency f=2*bw.
The selection of sampling time for a continuous model involves determining a balance between accuracy and computational efficiency. It is often based on the Nyquist theorem, which states that the sampling frequency should be at least twice the highest frequency present in the signal to avoid aliasing. Additionally, factors such as the dynamics of the system, the desired precision, and the computational resources available are considered. A common approach is to start with a trial-and-error method or use heuristics to establish an initial sampling time, which can then be refined based on system performance during simulations or tests.
stratified sampling, in which the population is divided into classes, and random samples are taken from each class;cluster sampling, in which a unit of the sample is a group such as a household; andsystematic sampling, which refers to samples chosen by any system other than random selection.
verbal, nonverbal, and symbols
Fault finding by injection and sampling method is a diagnostic technique used in electronic and electrical systems to identify faults or issues. This method involves injecting a known signal or voltage into the system and subsequently analyzing the output at various points to detect anomalies or deviations from expected behavior. By sampling the responses, technicians can pinpoint the location and nature of the fault, facilitating efficient troubleshooting and repair. This approach is commonly employed in complex circuits and systems where direct observation may be difficult.
it becomes communication system through networking......
communication system
Bad frequency aliasing. See Nyquist criteria.