1 It's been to the magnetic and geomagnetic north poles.

2 The effects of geomagnetic and solar activity over the long term are important factors in planning satellite missions.

3 An important application of global geomagnetic field models is in directional drilling for oil production.

4 An imbalance between Schumann and geomagnetic waves disrupts biorhythms.

5 The geomagnetic field varies continuously .

6 The South Magnetic Pole is where geomagnetic field lines follow an upward direction.

7 Thus, the base value for geomagnetic diurnal variation correction may be explicitly defined to be a sum of the geomagnetic normal field and geomagnetic anomaly.

8 Based on the theory of magneto-elastic waves, a geomagnetic disturbance accompanying the propagation of seismic waves was studied.

9 Using of the method of field geomagnetic load-unload response ratio, data of geomagnetic vertical-component daily ranges of Dalian seismic station from 1981 to 1991 are processed.

10 PNI geomagnetic communications chip with ARM example code, read out the direction angle.

11 We use the documents about the geomagnetic vertical component of Jiayuguan from 1993 to 1998 to comprehensively analyze the annually changed configuration of the geomagnetic Z component in this area.

12 The result of simulation based on real geomagnetic disturbance data indicates that the method is effective.

13 At geomagnetic equator(), the irregularities in the E region are mainly produced by two-stream instability and gradient drift instability.

14 The form of the stable geomagnetic field is like that of a bar magnet at the center of the Earth.

15 The effect of geomagnetic field on leaching uranium with geoelectric chemistry method is studied.

16 The maximum in the current solar cycle has passed, but both solar and geomagnetic activity remain high.

17 Eruptions on the Sun inject high-speed particles into the solar wind, and these can cause geomagnetic disturbances on reaching the Earth.

18 Table 1 shows the resonant cyclotron frequencies of single ions of different forms when subject to the steady geomagnetic field.

19 David Hempleman-Adams is setting off in search of the Geomagnetic North pole in April.

20 Taking aim at lower precision and boundary effect of the current region geomagnetic field model,[] the shortage of appending the IGRF data to the regional boundary was analyzed deeply.

21 Simulations of magnetic fields generated by the Antarctic Circumpolar Current at satellite altitude: Can geomagnetic measurements be used to monitor the flow?

22 Using this method, the faint object signal hided in the geomagnetic disturbance can be extracted.

23 The carrier magnetic disturbance which make magnetic deviation of the navigation equipment and influence geomagnetic measurement precision has been a difficult problem at all times.

24 There are many methods to measurement the flying attitude, such as solar attitude angle sensor, high-speed photography and geomagnetic field sensor.

25 Along the profile a joint inversion of gravity with geomagnetism has been carried out and 2-D density structure and 2-D geomagnetic structure have been obtained.

26 It diffused northeastward , which was caused by the upper air winds and geomagnetic field.

27 To measure the horizontal component of geomagnetism, the "bifilar balance method" is used, together with an additional adjustable magnetic field to compensate the geomagnetic field.

28 This paper deals with an active nutation control scheme by using the interaction of the geomagnetic field with a magnetic dipole on the satellite.

29 The compression and rotation of the magnetic field serve as an efficient mechanism to cause a large geomagnetic storm.

30 In this paper, three axis attitude stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in the low orbit.

31 Geo - magnetically induced currents ( GIC ) are triggered by geomagnetic storms , the frequency of which ranges from 0.

32 The electric field can transfer to F2 region along the geomagnetic field line and by means of the fountain effect it can results in the PSO of the equatorial anomaly.

33 The selection of base value is critical to the geomagnetic diurnal variation correction in marine magnetic survey.

34 The magnetic leakage field distribution above linear defects of a tube sample under the geomagnetic field was modeled according to magnetic dipole theory.

35 The results of correlation and regression analysis are drawn on the heliographic chart as isolines of geomagnetic disturbance.

36 The daily variation of digital geomagnetic data observed by Fluxmeter in Houtuqiao seismostation is analyzed, and its 5-day amplitude-ratio and daily-amplitude-ratio are calculated.

37 Finally, the intimate relationship between the latitudinal effect of the geomagnetic disturbances and the space current system is discussed.

38 Taking into account properties of the geomagnetic field, a new PD magnetic control law using the feedback information of attitude angle and attitude rate is developed.

39 Since Singer explained the main phase ring current by charged particles trapped in geomagnetic field, the origin of these particles has become one of the important problems of main phase theory.

39 try its best to collect and build good sentences.

40 The deflection of the secondary charged particle trajectories of EAS in the geomagnetic field distorts the lateral distribution of the secondaries.

41 The scheme uses geomagnetic declination and geomagnetic inclination as matching parameters to acquire rough position.

42 The pilar difference measurement and instrument comparison is basic to the quality and usage of the recorded geomagnetic data.

43 However, when the conductivity of the medium is finite such geomagnetic disturbance still exists.