1 A new developing direction of seeker conformal phased array antenna is given.

2 A new solid - state active weighted phased array radar transmitter is introduced.

3 A novel mission planning algorithm for space surveillance phased array radar systems is presented.

4 With the rapid development of phased array radar technology, a high requirement is given to the radar beam steering system, particularly to fast beam scan steering for a large aperture antenna array.

5 When the phased array coil designed, such problems have to be taken into account as resonant frequency, impedance match, mutual impedance and et al.

6 Test Results of high-range resolution images from a phased array radar in microwave anechoic room are given, which demonstrate the validity of the analysis.

7 It is very important - phase scanning phased array radar to effective distribute energy and time in elevation.

8 Progress of optical phased array ( OPA ) technology based on electro - optic material is summarized.

9 The linear and densely spreading phased array was usedand the probe parameters were optimized by calculation.

10 Compared with traditional ultrasonic probe, ultrasonic phased array probe can realize transition,[] deflection and dynamic focusing of acoustic beam under electronic control.

11 Each electrode of the Liquid Crystal phased array can be controlled separate and can come into being random phase by programming, which is totally different from traditional Liquid Crystal grating.

12 For the phased array antennas, wide - beam of antenna element is the precondition for wide - angle scanning.

13 And those investigations focus on Vitual Image Phased Array , Fiber Solition Transmission, Planar Optical Circuit.

14 Asymmetric ridge waveguide slot array is a novel linear array radiating element for phased array antenna.

15 There is close restraint on The T/R section's size, dimension and weight, which is the key component of Phased Array radar.

16 Variable sampling rate tracking, which is based on nets or grids multi-sensor asynchronous fusion tracking, is an important operating modes in phased array radar.

17 This kind of comparison is necessary in preliminary design of a phased array radar system.

18 Steering the beam direction is the main function of beam steering system of phased array radar, besides, outline-testing and online-monitoring can be performed by itself.

19 So the development level of optical fiber communication influences the development of optically controlling phased array.

20 The essence of the fact that wideband signal can not be effectively transmitted using narrowband phased array in scenarios with large aperture and scan angle is given.

21 Due to the restriction of aperture effect and the aperture delay, it is difficult for a conventional phased array radar to get wide instantaneous band width under wide scan scope.

22 A temporal - spatial processing method for side look phased array received from air-borne radar is presented.

23 An asymmetric ridge waveguide slot array is a novel linear array radiating element for phased array antenna.

24 The phase shifters already go throughout many item experiments of phased array radar.

25 High-precision ultrasonic transmission phase delay is the key technology in phased array ultrasonic beams.

26 This paper is mainly concern about the technology of radar moving target indication phased array radar.

27 Directivity and main lobe width were compared for the linear phased array acoustic transmitters with amplitude weighting and non-amplitude weighting using numerical examples.

28 In this paper, the working process of radar in track-while-scan is discussed, and an example is given to show how the track-while-scan is realized in a phased array radar.

29 Extensive research regarding the basic principle of the six-bit digital phase shifter used in phased array Radar is carried out in this paper.

30 A new method of improving the real time ratio of phased array radar coherent video simulation is presented, according to the particularity of scheduling of phased array radar.

31 Phased array radar, is to use phase-shifting electronically controlled antenna array as the main components of a radar.

32 Thermal deformation error of Phased Array Antenna is one of the most primary factor that influent electrical performance of antenna, so it is very necessary to lucubrate.

33 A key to analyze the space target surveillance capability of phased array radar is to establish its proper operational model.

34 The design that embedded computer is applied to phased array radar built - in test equipment is introduced.

35 By control phased array antennas in real time, the motion compensation system will guarantee the invariableness of the antenna direction and gain high resolution radar images.

36 Compared with the conventional phased array radar, MIMO radar may acquire a better target detection performance by exploiting space diversity and signal diversity techniques.

37 A novel beam steering system of a conformal cone-borne phased array is presented here.

38 A target multipath DOA estimation algorithm based on frequency agility for phased array radar is introduced.

39 The structure design of a leveled unit with high accuracy for the antenna pedestal of a phased array ballistic measurement radar is introduced, several schemes are compared in this paper.

40 China has had to develop its own phased array radar for it.

41 However,[sentencedict .com] the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.

42 Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.

43 A new - state active weighted phased array radar transmitter is introduced.

44 In this paper, we present a new phased array antenna calibrating technique - Mid - field Calibrating Technique ( MFCT ).

45 The design of a characteristic phased array 3D radar antenna system is discussed and the main path realizing the center of three-in-one combination is proposed in this paper.

46 No matter which of the three possible methods of phase scanning is used in a phased array system, the objective is a relative phase shift of the energy being radiated by each element in the array.

47 An optical true time delay (TTD) is a means for optically controlling phased array antennas (PAAs).

48 It was shown that using polystyrene as wedge material, high polymer as transducer material and curved wedge as an acoustic lens was the key point of application effectiveness for phased array system.

49 A new partial discharge ( PD ) location method based on UHF and ultrasonic phased array receiving theory is presented.

50 Inspection scheme of offshore platform structure ultrasonic phased array was also presented, and the reference block of offshore platform structure was detected by this system.

51 From the point of view of 2-D DBF phased array radar, this paper discusses the influence of channel errors on the system performance and the method for channel balance.

52 Phased array radar is working most at track-while-scan(TWS). Its data rate factor can be separated scan data rate factor and tracking date rate factor.

53 This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted.

54 The effects of element failure and tolerance on antenna sidelobe level and gain in solid-state active phased array is mainly discussed in this paper.

55 Result of verification shows that the SoC solution meets the development trend of phased array radar beam steering system with high speed, high level, miniaturization and integration.

56 Secondly, by using the concept of Smith chart and the equivalent circuit model, the basic theory of the broadband phased array based on mutual coupling is presented.

57 Now, focus transducers have three kinds of types: Focus transducer, acoustic lens, phased array focusing system.

58 Chapter 2 discusses digital beamforming ( DBF ) of phased array radar and the amplitude and phase errors.

59 Equipted with it, phased array radar could have Adaptive beam, lower Side - lobe beam and beam scanning.

60 The adaptive monopulse at subarray level is required for applying monopulse technique in multi-function phased array radar.

61 In order to reduce the finite scanning plane truncation error in the measurements with phased array antennas, the cosine window function is introduced and applied in this case.

62 Steering the beam direction is the main function of beam steering system of phased array radar, test the beam steering system and TR unit performance is signify during the development of the antenna.

63 This paper deals with the effect of the quantitative phase controlled by the digital phase shifter to the patterns of the hexagonal phased array antenna.

64 The paper discusses briefly the design of beam steering system of phased array radar.

65 Due to the restriction of aperture effect and the aperture traverse delay[/phased array.html], it is difficult for a conventional phased array radar to get wide instantaneous bandwidth under wide scan scope.

66 An optical true time delay (TTD) is a means for optically controlling phased array antennas (PAAs). Fiber-optic TTD techniques for PAAs are reported as well as their architectures.

67 The conventional mechanical scanning radar is gradually replaced by powerful electric scanning phased array radar in the application as an airborne radar due to its limited scanning speed.

68 Along with the electronic warfare demand and the requirement of probing and tracking outer-space objects, phased array antennas have become developmental mainstream of the applied radar antennas.

69 The cooling problem of solid state active phased array radar is discussed in this paper. And the type of a high efficient cold plate with plate fin that is suitable for T /R module is introduced .

70 The law of 2D scanning beam-pointing drift wideband working plane phased array is revealed in this paper.