1. Built into the saddle was a small Doppler radar set.

2. Accuracy of Wind Fields Observed by a Bistatic Doppler Radar Network.

3. In addition to measuring rainfall intensity, the Doppler radar detects the speed of movement of raindrops based on the Doppler principle.

4. Using Doppler radar data, an algorithm for precipitation nowcast is set up by applying an improved cross-correlation extrapolation method (COTREC).

5. A Doppler radar was used to assess the performance of DWL.

6. Relatively speaking, Doppler radar is more effective and a common observation equipment.

7. The echo intensity data of Hefei Doppler radar observations come into being the initial fields of MM5 sensitive experimentation.

8. In summary, the analysis of Doppler radar three-dimensional wind field structure combined with the analysis of VIL could guide weather modification operation more reasonably.

9. The real-time wind data from local terminal Doppler radar and auto weather observation stations were calculated to obtain the degree of wind shear and turbulence.

10. One Doppler radar can only measure speed of rain and cloud, but we need three-dimensional wind-vector fields from the echo of wind in application.

11. By using observations from Doppler radar,(/doppler radar.html) the mesoscale spiral bands is studied and then the mesoscale characteristics of typhoon heavy rainfall is discovered.

12. The pulsed Doppler radar is widely adopted in modern advanced fighting aircrafts as the fire controlling radar, of which some theoretical problems are still waiting for further researching.

13. VHF Doppler Radar Observations of Buoyancy Waves Associated with Thunderstorms, 1984 J . Atm . Sci.

14. For a Doppler radar homing seeker with high pulse repetition frequency, the continuous wave approximation is not only simple, but also has a high calculation accuracy.

15. Embodiments of the invention are concerned with improvements to Doppler radar systems, and are suitable for use with frequency scanning radar systems.

16. This paper describes the microstrip Y-junction circulator of X-band Doppler Radar, its working principle, engineering design and experimental results.

17. The problems of frequency ambiguity and blind frequency band are discussed for a pulse repetition frequency ( PRF ) Doppler radar in this paper.

18. It has the functions of synchronization pulling off jamming, smart noise jamming and false target jamming, it also can jam Pulse Doppler radar effectively.

19. A method and steps of calculating SRH are presented, first, with Doppler radar vertical wind profile (VWP) product.

20. The influence of the antenna sidelobe on the ground clutter received by airborne pulsed doppler radar is analyzed by computer simulation and experimental data.

21. A method and steps of calculating storm relative helicity (SRH) according to the Doppler radar vertical wind profile (VWP) products are discussed firstly in this paper.

22. This paper presents a simple tracking filter circuit, which is applicable to Doppler radar sets and consists mainly of a switched bandpass filter and a phase-locked loop.

23. Results show that the variation method is a efficient way to retrieve 3-D wind field data from Doppler radar data.

24. Simulation results show that the design is efficient with the soft-failure of gyro, accelerator, GPS receiver and Doppler radar.

25. A way to measuring the miss distance vector by doppler radar theory is described.

26. So studying on a kind of waveforms adapting to airborne pulse Doppler radar altimeter and corresponding signal processing algorithms is major task in this dissertation.

27. Minnesota Public Radio reported that the plume from the Pagami Creek Fire was picked up by doppler radar.

28. The basic work principle of a certain kind of Doppler radar is introduced, the relation between the echo Doppler frequency and other parameters is given.

29. Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.

30. With arbitrary postures of the aircraft and the antenna, the coherent clutter model for airborne Doppler radar is studied in this paper.

31. A new method of built in self testing for pulse doppler radar digital signal processor was advanced.

32. The Doppler radar echo intensity is used to modify the humidity field in numerical model, and the forecasting results are improved obviously.

33. In the application of Doppler radar, controlling the rotation speed of antenna is helpful in eliminating the effect of far side lobes.

34. This paper presents a system simulation method of pulse Doppler radar altimeters with frequency agility.

35. Pulse Doppler radar is a new type of radar which uses the Doppler effect due to the relative movement between the object and the radar to measure the velocity of the object.

36. This will come in handy if, say, a tornado is cloaked in a rain cloud, making it invisible to the naked eye — and current Doppler radar.

37. An X band low cost, simple and compact continuous wave Doppler radar is presented. The whole front end is designed using hybrid microwave integrated circuits (MIC).

38. For having amicable and handling convenient interface, the module having be carried out, which is applied to the Programmed track Doppler radar.

39. A programmable digital signal processor for ranging gate pulse Doppler radar is presented.

40. Pulsed Doppler radar (PD radar) is a kind of advanced radar which using coherent processing.