Three different forecast methods are used to give quantitative analysis on the transport column of bulk pitch import market in China, constitute forecast method is also applied to obtain the best results.
Because of the vertical displacement,lateral displacement and longitudinal displacement of the ship,as well as the line displacement of the sonar array caused by ship rocking,the azimuth and angle of pitch between the sonar array and the target do not immobilize.
HMR3000 digital compass can provide carrier's real time position data of heading, pitch, roll. So it's adequate for design of ship electronic navigation control system.
The design of servo system for pitch attitudes of a mine hunting sonar array was made using frequency domain control and variable structure control respectively.
The results of the subsequent simulation show that the first mode for the load separated from the AUV by an impulse force is complicated and unsafe because the load always has a rise motion whose amplitude is much related to the velocity of AUV and the separating force and because at the same time the rise motion is always accompanied with an unsuitable pitch attitude which increases quickly within a short time.
Based on the principle of formation of conjugate tooth contour, the equations of the cam's pitch curve are derived.
例句来源
The continuity and symmetry of the cam's pitch curve are also analyzed.
例句来源
The satellite passes chosen for the detailed analysis and modeling lay approximately along the cusp/cleft band from afternoon till prenoon MLT sectors, thus emphasizing the pitch-angle dispersion role with respect to the dispersion due to convection.
例句来源
Some conclusions about the regime of pitch-angular diffusion into the loss cone are made.
例句来源
It is assumed that in such a cascade each i-th system (group) of profiles has its own pitch ti (i=1, 2,?, s) and constant phase shift αi of the oscillations between neighboring profiles.