【Key words】 frequency synthesizer; loop stability; phase noise; parameter design; equivalent noise model; noise estimation; differential charge pump; differential VCO; frequency divider; stability optimization; stability compensation; noise optimization;
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为了提高车载火炮系统射击稳定性,基于动力学仿真和优化方法进行后坐稳定性和复进稳定性优化研究。
In order to improve firing stability of truck-mounted gun system, based on dynamic simulation and optimization method, stability optimization study of recoil and counter-recoil is performed.
系统分析了带有非轴对称球锥过渡环壳的球面舱壁的结构组成、受力工况、强度与稳定性要求,用有限元方法对各参数进行了强度优化与稳定性优化。
In the article we analyse the structure compose, the endure force status, the request of strength and stability on the domed bulkhead with nonaxisymmetry sphere-conical transitional annulated shell.
因此,啤酒泡沫的稳定性来源于一种很强的吉布斯-马朗戈尼效应,这种效应在吸附的蛋白质可以有效改变表面张力时是最优化的。
Beer foam stability is thus promoted by a strong gibbs-marangoni effect, which is optimized when absorbed proteins are efficient at changing the surface tension.
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