为了在无陀螺捷联惯导系统中应用旋转矢量算法,如何获得载体的相对角位移、并保证载体相对角位移的精度和更新频率是非常重要的问题。
It is very important to apply rotation vector algorithm to the GFSINS that how to attain the relative angular displacement and meet its precision and updating frequency.
通过改进控制方式,可以使这两个功率开关的导通和关断都工作在软开关条件下,从而可以进一步提高开关频率,达到增加功率密度的目的。
The improved control method can make the two power switches turn on and off all under soft switching conditions and further increase the switch operating frequency and power density.
通过直接计算导条损耗与漏磁场能量得出了计及频率影响时转子导条电阻与转子槽漏感。
The rotor bar resistance and slot leakage inductance considering frequency effect are gotten by mean of bar loss calculation and leakage magnetic field energy calculation.
基于连续OFDM符号上的导频子载波,给出了联合频率偏移纠正和信道估计方法。
In this paper, the pilot subcarriers on two consecutive OFDM symbols are utilized for joint frequency offset correction and channel estimation.
方案利用时频联合估计来得到可靠的信号检测,并从导频符号估计时间和频率偏移。
Based on joint time and frequency offset estimation, a reliable signal detection scheme is obtained by modulated pilot symbols using an m-sequence.
例如,对均匀光纤,计算出的所有导模的归一化截止频率值的相对误差为10 ~ (-3)10 ~ (- 5)。
For example, for a homogeneous optical fiber the computed relative error of normalized cutoff frequency for all guide-mode are between 10 ~ (-3) and 10 ~ (-5).
由本文模型还推导出了HEMT沟道电导、跨导、栅电容和截止频率等微波参数表达式。
Using this model, the parameters of HEMT such as channel conductance, transconductance, gate capacitance, and cut-off frequency are derived.
采用矢量场法,得到了在弱导条件下传导模式的特征方程和截止频率的近似计算公式。
The eigenvalue equation and approximate formula for cut-off frequencies of guided modes are obtained by vector-field-method.
研究晶体管变频器在各种振荡状况下及不同讯号频率时对有效变频跨导的影响。
The effective conversion transconductance of transistor converters using a PNP transistor operated at different oscillatory conditions and at various signal frequencies are studied.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
降低寄生源漏电阻可以获得更高的饱和电流、跨导和截至频率。
The calculated results also indicate that higher saturation current, transconductance, and cutoff frequency can be achieved by lowering the parasitic resistances.
引入运算符号,导得带任意个集中质量的梁弯曲振动频率方程和振型函数新的解析表达式。
By means of a symbol of operation, the new analytical expressions of the frequency equation and the modal function of lateral vibration of a beam with lumped masses were derived.
引入运算符号,导得其频率方程和振型函数的解析表达式。
Furthermore, a reccursion formula of the operational symbol is introduced.
用多导生理记录仪记录模型大鼠胃电的振幅和频率、离体胃肠肌条的张力和频率。
The model rats amplitude and frequency of gastric electricity, frequency and tensile force of gastrointestinal muscle in vitro were surveyed with multipurpose polygraph.
通过试验研究了固定导叶结构在空气中及水中的固有频率及振型,得到了其固有频率在水中的变化规律。
In this paper, the nature frequency and the mode of stay vane in the air or in the water were studied. Obtained the vary regular of the nature frequency with water influence.
辐射缝隙导纳及波导导内波长的频率特性,是影响裂缝天线带宽的主要因素。
The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna.
结果表明,应采用多干扰机的饱和干扰和导前干扰组合对抗同时使用旁瓣对消和频率捷变的雷达。
The results showed that the combination of multi-jamming planes with saturated jamming and jamming before guidance should be adopted to against the radar using sidelobe cance…
结果表明,应采用多干扰机的饱和干扰和导前干扰组合对抗同时使用旁瓣对消和频率捷变的雷达。
The results showed that the combination of multi-jamming planes with saturated jamming and jamming before guidance should be adopted to against the radar using sidelobe cance…
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