reentry造句
31. While the reentry target passes through the earths atmosphere at ultrasonic speed, the RCS of the Reentry Capsule changed violently because of the plasma sheath and wake.
32. The analysis and computation of chemical non - equilibrium hypersonic wakes are important tasks of reentry aerodynamics.
33. Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual (multi) -pathway and reentry of the atrioventricular node (AVN) area.
34. Spacecraft reentry trajectory optimization is a kind of optimal control problem.
35. Objective To investigate the effect of lorcainide on reentry related arrhythmias and its electrophysiological mechanisms.
36. Atmospheric reentry generates tremendous heating on the undersurface of spacecraft (a couple of thousand degrees Celsius) caused by the friction of the air rushing by at hypersonic speeds.
37. In this paper aerodynamic characteristics of maneuvering reentry vehicle of cruciform configuration and bifurcate configuration are compared by means of the wind tunnel test results.
38. Reentry plasma sheath surrounding high-speed vehicles greatly destroys the electromagnetic wave radiating by antenna.
39. Why does a space shuttle get hotter on reentry than on liftoff?
40. The paper widens the application of local method which used to be utilized in rarefied flow to the quick prediction of aerodynamic characteristics of missile-like reentry vehicle in hypersonic flow.
41. We put stress upon investigating the effect of changing lift drag ratio and reentry angle on reentry orbit.
42. He hit the magnification on his faceplate and saw lines of fire tracing their reentry vectors.
43. The optimal design of the trajectory for the standard twice reentry of mooncraft under the conditions of the trajectory endpoint set and multiply objective constraints in this paper.
44. Baced on the properties of elliptical trajectory, the reentry conditions of the vehicles, spherical geometry, and the fixed-point theorem, an algorithm for the ideal trajectory is proposed.
45. It is studied the problem of tracking a ballistic object in reentry phase from radar observations.
46. High - speed reentry aerocraft is usually with terminal guidance system.
47. An optimal guidance law for reentry vehicle with high altitude maneuvering on downward phase is studied.
48. For the minimum control energy reentry trajectory with fixed terminal time and the minimum total heat load reentry trajectory, some key problems such as parameterized method are discussed in detail.
49. Open the door next, reentry closet, lock up oneself inside!
50. The estimation state for high velocity reentry vehicle is an important subject in the modern defence.
51. In this paper, the method of reentry maneuver guidance applying to attack the ground fixed target is described by using flight dynamics principle and modern control theory.
52. The flight laws, characteristics and point precision of spiral reentry trajectory were studied by simulating calculation.
53. When transmitting signal at high bit rate, the Reentry Remote Sensing channel presented an obvious character of frequency selective fading and the two-path model could well model this channel.
54. This paper mainly studies the optimal transition trajectory of a reentry vehicle.
55. Car palm young lady: She always says reentry goes a bit!
56. The passive countermeasure proposed here can replace the heavy decoy with the energetic mini corner reflector and widen the option for reentry ballistic missile passive countermeasure penetration.
57. The predictor - corrector reentry guidance algorithm for reusable launch vehicles was studied.
58. Based on the inertial guidance instrument error model, the model of reentry point's parameters is established in this paper.
12