Similar words: direction finder, indirection, undirectional, indirect quotation, direct injection, indirect investment, direction, X direction.
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(1) Very high frequency direction finding is an aid to navigation.
(2) Interferometer system has an important use in radio Direction Finding field. Mainly study how to improve direction finding accuracy by analyze interferometer system's error performance.
(3) In the end, we discuss the direction finding algorithms of UCA for the coherent signal sources and the wide-band cyclostationary signal sources, respectively.
(4) Wide - band direction finding is a difficult topic of research in array signal processing field.
(5) Direction finding is an important research subject in the electronic reconnaissance field.
(6) Direction finding with interferometer and distance measuring with phase changing can be plane to location immediately.
(7) The direction finding is an important index of electronic reconnaissance.
(8) Using the traditional algorithm, the vehicular short-wave single-channel direction finding devices can not cope with the single side band signals satisfactorily.
(9) This paper introduces a kind of direction finding equipment for radar countermeasure, which includes implementation and precision analysis.
(10) The direction finding performance and pattern synthesis of 8 units' circular array, which is composed of directional elements of planar Archimedean spiral antenna[Sentencedict], are studied in this paper.
(11) The equipment combines interferometer with amplitude comparing and direction finding technology. Because of its monotype characteristic, it is suitable for flexibility and little load situation.
(12) This paper discusses the direction finding characteristic of passive monopulse seeker.
(13) The communication direction finding technique for single-channel phase correlating interferometer was realized by phase-shifting combination for received signals of multi-units antenna.
(14) A novel wide - band direction finding algorithm was proposed.
(15) Direction finding of low probability intercept ( LPI ) signals is the difficult problem in modern EW system.
(16) Spatial spectral estimation method is a new development direction of array signal process technology which satisfies perfectly the applicative requirements of radio direction finding.
(17) In the actual application, resolution response, precision, expansibility and real-time response have become the most important indexes to appraise the radio direction finding methods.
(18) If a radar operates passively, it can obtain the objective of passive direction finding against a jamming source by means of receiving and utilizing the jamming signal.
(19) The algorithm selects baseline length satisfied stagger qualification, thereby solving conflict between accuracy of direction finding and maximum unambiguity angle.
(20) The functions and designing ideas of the software were reported according to the Practice in the judgement of direction finding game with radiogoniometer.
(21) When pigeons can see the sun, they use it as their main means of direction finding.
(22) Anhui athletes have advantages in the following items: Acrobatics, Health Qigong, Motorboat, Water Ski, Radio Direction Finding, Body-building, Bowling, Chinese Wrestling, Dancesport and so on.
(23) Radar echo signal processing results show the validness of the above methods for the detection and direction finding of non-stationary targets with broad-beam HF radars.
(24) The third part discusses the passive homing system, presents interferometer homing with array antennas and direction finding with two rotating antennas.
(25) At each iteration, a master direction is obtained by solving one direction finding subproblem which always possesses a solution, and an auxiliary direction is yielded by an explicit formula.
(26) The DPSK signal's influences on the performance of airborne radio compass including bandwidth, direction finding and beacon recognition, were analyzed in detail.
(27) After phase equalization in frequency domain, all signals occur at the same time, then direction finding can be carried out.
(28) A new polarization smoothing algorithm is proposed for the 2 - D direction finding of coherent cyclostationary signals.
(29) The exceed performance mechanism of spatial spectrum estimate algorithm to direction finding is analyzed.
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