Using a Hilbert transform Modulator, the intensity distribution of first-order spectrum of crossed-slit is used for accuracy positioning in practice.

本文运用希尔伯特变换空间调制器使十字光栅一级衍射谱的强度分布用于精密定位。

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Methods of distinguishing the first order diffraction spectrum from other order one have been described in detail by observing half- widths, locations and intensities of the spectrum.

提出了用峰位、半峰宽和峰高和滤光法来鉴别各级光谱的方法。

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This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.

利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。

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One of the few convictions that still unifies national security strategists across the ideological spectrum is that it would be a global calamity of the first order if al-Qaida gets its hands on nuclear weapons.

CENTERFORSECURITYPOLICY: The Pakistani dilemma

Hong Kong, 22 May 2013 - 1O1O and one2free today announced the commercial launch of 4G LTE extended spectrum together with the pre-order of Hong Kong's first LTE CAT 4 device, bringing a superior 4G LTE mobile experience for customers in Hong Kong.

ENGADGET: Hong Kong's CSL preps network for LTE Cat 4, offers Huawei's 150 Mbps mobile hotspot (video)