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31. The transformer Balun with the characteristics of wide band are studied, which are analyzed by using the equivalent transform theory.

32. In the presence of noise, the performance of the peak search method can be further improved by using a maximum likelihood (ML) technique in the evaluation of wide band ambiguity function.

33. The 3-D image of targets can derive from a wide band mono pulse radar via measuring the range, azimuth and pitching position between the scatters and radar of targets.

34. This paper has two parts: Ultra - wide band ( UWB ) dielectric antenna design and airborne early warning ( AEW ) radar signal simulation.

35. Past research on interference filters is reviewed, it is shown that for narrow and wide band pass filter it must adopt multi cavity filter.

36. To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.

37. The trend of electronic reconnaissance in short wave is wide band reconnaissance, and channelized technology is the key of it.

38. The result shows that we can get actual velocity and displacement time histories by simulating wide band acceleration record.

39. It is not always suitable to use Planck's law or Stefan-Boltzmann's law to describe the relation between brightness temperature and radiance for a wide band sensor.

39. Sentencedict.com is a sentence dictionary, on which you can find nice sentences for a large number of words.

40. Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band (UWB) radar.

41. So the tape recorder which adopts this magnetic head can be used for wide band direct replay and makes signal-noise ratio improvement, it is an ideal playback head.

42. This compound materials used in absorbing material is with sound absorbing function and light quality, wide band, good compatibility and strong inoxidizability .

43. Based on radar signal and its system flow chart, and the definition of narrow-band and wide band, the basic characteristic of traditional narrow-band radar system is firstly summarised.

44. Then a scheme of interference transmitter is raised: it is a kind of a wide band blocking interference transmitter . its aim is C/A code receiver .

45. Main research fields are the preparation and ion implantation studies of advanced functional material films. The focuses are on the material and device characteristics of wide band gap semiconductors.

46. Compared with other IR detectors, a wide band, fast response speed and high sensitivity, and etc.

47. The signal given by the antenna of spaceborne microwave radiometer is a wide band noise power signal.

48. Studies an ultra - wide band ( UWB ) time of arrival ( TOA ) estimation technique in dense indoor multipath environments.