By D.J. Creasey
Covers the numerous elements of recent sign processing platforms from the transduction unit via to the exhibit
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Additional info for Advanced signal processing
ED): 1974, "Microwave Mobile Communications", John Wiley and Sons, New York. 3. PARSONS, J. , et. aL, 1975, "Diversity Techniques for Mobile Radio Reception", The Radio and Electronic Engineer, 45, 359-367. Chapter 7 GaAs IC amplifiers for radar and communication receivers R. S. 1 Introduction Monolithic microwave integrated circuits (MMICs) are no longer laboratory curiosities with the introduction of development and pilot production phases within companies world-wide. The benefits to be gained from integrating analogue functions onto single small pieces of GaAs are that sub-systems can be reduced in size by a factor of around ten, parts cost and assembly times are significantly reduced and more complex functions can be realised than those available with hybrid circuits.
A's and bulk-effect semiconductor devices to affect target detection in severe clutter. 4 The effects of defects of transmitter signal quality upon the performance attainable in radar systems Small deficiences of signal quality from the transmitter of a radar may affect system discrimination in range and velocity. The extent to which such deficiencies may be compensated by clever processing of the receiver signal is outside the proper scope of this paper. It must suffice for us to say that, neglecting the complicating effects of receiver amplitude distortion the process of reception may be regarded as an examination of the cross corelation between the received signal and another somewhat similar signal displaced in time and frequency to take account of target range and velocity.
High powers may be generated by the use of a multiplicity of low power transmitters. A potential advantage is greatly improved reliability if failure of a fraction of the transmitters can be tolerated. At the lower frequencies, transistors are often applicable. Schemes of this type are attractive where a separate antenna is provided for each transmitter, thus both minimizing coupling between the separate units and also permitting electronic steering of the radiated beam by phase-shifting of the drive signals.
Advanced signal processing by D.J. Creasey