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- W1642309966 abstract "Abstract : The objective of this program is to develop a programmable CCD (Charge-Coupled Device) circuit capable of correlating a variety of binary-coded waveforms. This analog-binary correlator will store a binary waveform as a reference, and will then compare newly arriving signals to the reference waveform. In general, the signal will be a binary code that has been corrupted in the transmission channel so that upon arrival at the receiver, it really has an analog character (i.e., the amplitude varies continuously). Analog-binary correlation techniques have an important advantage over purely digital approaches. If the analog signal is directly compared to the reference, only a single correlation channel is required, whereas a digital correlator requires a separate channel for each bit of resolution in the analog-to-digital converter. Thus, a reduction in parts count, with attendant improvements in size, cost and reliability, is realized with the CCD correlator. The correlator is an important device because correlation of binary waveforms is a function widely used in spread spectrum systems, which offer important advantages for military communications and radar applications. Spread spectrum advantages include jam resistance, reduced detectability and improved signal-to-noise ratio for given transmitter power. Thus, the device whose design is described here should be broadly useful in military systems." @default.
- W1642309966 created "2016-06-24" @default.
- W1642309966 creator A5039846514 @default.
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- W1642309966 date "1979-06-01" @default.
- W1642309966 modified "2023-10-14" @default.
- W1642309966 title "Analog Binary Programmable Transversal Filter." @default.
- W1642309966 doi "https://doi.org/10.21236/ada078860" @default.
- W1642309966 hasPublicationYear "1979" @default.
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