Can a digital signal be perfectly converted back to an analog signal? What are the practical challenges in analog-to-digital conversion?

Digital photographic images, in addition to useful information, mainly contain also a harmful signal - digital noise, the presence of which is considered a ... Analog signals are types of signals that travel along a sine wave. The information sent using analog signals moves in a continuous and fluid movement with ... Sep 17, 2020 ... ... digital signal along with its analog audio information. Because this signal is digital, it's much more resistant to noise. As such, stations ... Jul 18, 2024 ... Here's how it works: alongside the steady analog stream, HART adds a digital signal. This addition doesn't require extra wiring or ... This pathway is called a signal. Computers use analog and digital signals in order to process raw data into useful information. Whereas the former is fast at ... solid state relays can be rated for billions of operations. true. an analog signal is an electronic signal ... information, produce sound or vision, store ... ... digital signals across the medium, whereas broadband sends analog signals ... signal carry digital information by digitally modulating an analog carrier. The process of changing information from an analog signal to a digital signal is called encoding. ... digital signal is more reliable than an analog signal. Sep 10, 2024 ... Analog communication offers constant signal and is easier in terms of technology contrast, digital communication offers more efficiency, noise free environment. As shown in Figure 4, we assume that y ˜ is quantized to a discrete representation y by an analog-to-digital converter with the quantization function f Q ( . ) ...