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The project proposed and established the strict unique mathematical model of instantaneous frequency aiming at the currently existed problems in Hilbert Huang Transform form the viewpoint of physical connotative meaning; proposed and established the strict mathematical model of general intrinsic mode signal based on the concept of general continuous intrinsic mode signal and the compositive principle of practical general intrinsic mode signal; researched and proposed the fitting method of envelope lines in HHT from the viewpoint of theory, conquered the blindness and random in quondam EMD envelope line fitting and boundary treatment; developed a virtual time-frequency analyzer based on general intrinsic mode signal decomposition to open out the local time-frequency characteristics of nonlinear and nonstationary signal more deeply and accurately.

本项目针对希尔伯特-黄变换现阶段存在问题，从物理内涵的角度提出并建立了瞬时频率严格的唯一的数学模型；基于连续性的一般固有模态信号的概念和实际信号的一般固有模态信号的组成原理，提出并建立了一般固有模态信号严格的数学模型；从理论角度研究并提出HHT中的包络线构造方法，克服了原EMD的包络线构造和边界处理的盲目性和随意性；研发一台基于一般固有模态信号分解的虚拟式时频分析仪，使之可以更深入、准确地揭示非线性非平稳信号的时频局部特征。

At a stroke the little woods and copses became a cacophony: a musical celebration of the instantaneous horniness of the turning year.

小树林和灌木丛里一下子充满了各式各样的声音：用音乐庆祝突如其来的季节更迭。

A geomorphic instantaneous unit hydrograph model is developed based on linear dynamic wave.

建立了基于线性动力波的地貌瞬时单位线模型。

The study probe into at when extreme rainfall happenning incident research purpose department on city, estimate its flow of flood crest to defend and provide disaster relief the reference carried on the exercise of in follow-up ; While estimating the the depth of extreme rainfall , use separately: World Meteological Organization statistic method, storm transposition and dew point adjustment method and average recurrence interval rainfall depth factor method, inquire into and act as river valley wutu the upper reaches of Keelung and collect in the water area separately, wutu station with flood-diversion stands in the Huo-Shao-Liao station before Yuan-Shan-Tzu flood-diversion, the depth when the extreme rainfall happens separately, step forward and mix the set of design hyetograph by extreme rainfall ,finally,mix geomorphologic instantaneous unit hydrograph afterwards, in order to estimate the flow of flood crest produced cause by extreme rainfall incident .

本文之研究目的系探讨当极端暴雨事件发生於都会区时，推估其洪峰流量以作为后续防救灾演练之参考。在推估极端暴雨之降雨深度时，分别采用：世界气象组织统计法、暴雨移置与露点调整法及平均重现期距雨量因子法，分别推求当基隆河流域五堵上游集水区，员山子分洪前之火烧寮站与分洪后之五堵站，分别发生极端暴雨时之雨量，进一步将极端暴雨量套配设计雨型，最后再搭配地貌型瞬时单位历线模式，以推估因发生极端暴雨事件而产生之洪峰流量。

Instantaneous frequency is function of time that gives sharp identification of imbedded structures in signal.

由于瞬时频率是时间的函数，因此可以获得信号任意时刻的频率分布，利用瞬时频率的局部化特征可以有效地揭示信号的内在结构。

Product principle of this device is the use of high-frequency discharge welding Materials technology will instantly melt infiltrated matrix material, a new technology, because it is instantaneous discharge, do not produce heat, the metal matrix without any impact on organizations.

产品原理本设备是利用高频放电技术将焊补材料瞬间熔渗进基体材料的一种新型工艺，由于是瞬间放电，不产生热量，对基体金属组织无任何影响。

This gives an estimate of the instantaneous impedance for any spectral frequency at any time.

这给出了一个估计的瞬时阻抗的任何光谱的频率在任何时间。

The models of permanent and instantaneous failures,which bring the indeterminable delay in interlock information transmission,and the models of repeating interlock information transmission and delay are set up.

在数字化变电站中，分布式联锁功能采用分布式模式实现[1]，即通过网络交换分布在多个物理设备中的不同逻辑节点间的联锁信息，并使用这些信息进行正确协同操作来实现。

Based on matrix analysis of motor and general theory of alternating current machines,3-phases induction synchronous motor is substituted for symmetrical 2-phases motor with even gas,then the equation for instantaneous torque of induction synchronous motor step motion is obtained.

文中采用了电机的矩阵分析方法，根据交流电机统一理论，将三相感应式同步电机用等效的具有均匀气隙的两相电机来代替，得出了感应式同步电机步进运动的瞬时转矩表达式。

However, the modified RWM is limited to homogeneous flow, and it assumes that the adsorption of hydrocarbon and the attachment of biomass are equilibrium and instantaneous. Moreover, there will be some numerical dispersion error, especially when the steps of space and time are injudiciously selected.

Delay等提出一种RWM的修正形式，它不必单个跟踪每个颗粒，而是将若干颗粒分别置于有限差分网格中集中、统一模拟，这样既可以处理颗粒数量较大的情况，又可以处理结合1阶反应动力学的情况，然而，修正的RWM只限于处理均匀流场及均衡假设下的质量交换和反应。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。