Description: Zero-Order Hold is a method used in signal processing that maintains a constant output until the next sample is received. This approach is fundamental in systems where signal stability and continuity are crucial. Technically, it refers to a type of sample-and-hold circuit that does not introduce any change to the signal until new data is received, meaning the output remains at the last known value. This method is particularly useful in applications requiring a quick and precise response to changes in input, minimizing noise and unwanted fluctuations. Zero-Order Hold is commonly used in control systems and in the conversion of analog signals to digital, where it is essential for the signal to remain constant during the sampling time. Its implementation is relatively simple and efficient, making it a popular choice in the design of circuits and signal processing systems. Additionally, its ability to smooth transitions between samples makes it valuable in audio and video applications, where signal quality is paramount.
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