Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1978-05-25
1980-04-08
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5VQ, 343 171R, G01S 744
Patent
active
041975359
ABSTRACT:
A pulse radar device had pulsed storage devices which are arranged in the signal analysis component and comprise, in particular, shift registers. The clock frequency for the shift registers is derived from a reference frequency. Within the radar period duration, a first time zone is defined as the actual analysis zone and signal processing is carried out with the clock frequency predetermined by the requisite range resolution, and a second time zone is defined (dead zone) in which a different clock frequency is selected. The second time zone is divided into at least two subsidiary zones, in the first of which a clock frequency is used which is derived as a whole number from the reference frequency and the level of which is selected to be such that the passage of the information through the registers in the storage device is terminated and in the second subsidiary time zone until the end of the radar period duration, the entire system is disconnected--at least in respect of the clock frequency--and no shifting of information occurs.
REFERENCES:
patent: 4014018 (1977-03-01), Williams et al.
patent: 4106019 (1978-08-01), Alexander
Gstottner German
Koethmann Wolfgang
Berger Richard E.
Siemens Aktiengesellschaft
Wilbur Maynard R.
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