Digital wave synthesis, wave feedback technology, low power distortion.
数字波形合成，波形反馈技术，电源失真度低。
A surface synthesis operator function is simply constructed by geometrically rotating a certain kernel synthesis operator, instead of complicated wave extrapolations.
该方法只需对某一核合成算子进行简单的几何旋转建立合成算子函数，避免了复杂的波场外推。
The design method of normal frequency standard signal source, which utilizes program control digital wave synthesis technology and achieved by microcontroller was given.
采用程控数字波形合成技术，通过单片微型计算机系统实现了工频标准信号源。
The synthesis of diphenylmethanol under ultrasonic wave irradiation was studied.
报道了超声波作用下合成二苯甲醇的方法。
The double channel arbitrary wave generator based on direct digital frequency synthesis is introduced.
介绍了基于直接数字频率合成技术的双通道任意波形信号发生器。
The cosine window function is introduced and applied in the plane wave synthesis technique.
本文介绍了余弦窗函数，并将其应用到平面波综合技术中。
To explore the effects of long-wave ultraviolet (UVA) on lipid peroxidation and collagen synthesis of rats' skin and sunscreen's protection.
探讨长波紫外线(uva)对大鼠皮肤脂质过氧化和胶原合成的影响及防晒化妆品的防护效果。
And the method of DDWS (direct digital wave synthesis) is adopted to realize the signals of MFSK (multi-frequency shift keying) and OFDM (orthogonal frequency division multiplexing).
采用DDWS(直接数字合成)方法，产生了MFSK (m元频移键控)和OFDM(正交频分复用)两种水声通信信号。
Direct digital synthesis is used for modulating the frequency and amplitude of the square wave.
此方法利用直接数字合成技术完成对方波的频率和振幅的调整。
The thesis adopted the high efficiency wave tray to reconstruct the tradition tray of urea synthesis column, which has strengthened heat and mass transfer.
本文采用高效的波形塔板对传统的尿素合成塔进行改造，加强了尿素合成塔内的传热与传质。
Therefore, the frequency synthesizer works in millimeter wave band is mostly designed and realized by the way of indirect phase lock frequency synthesis, based on specific integrated circuit.
广泛采用的直接数字式频率合成方法，却面临输出频率上限难以提高和输出杂散的难以抑制两个难题。
The particle of millimeter wave synthesis had smaller size, narrower size distribution, better sinter-ability and without hard agglomeration than that of conventional synthesis.
毫米波合成的粉料粒度小、分布均匀、粒度分布窄、无硬团聚，具有良好的烧结性能。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
The utility model relates to an HF stabile power synthesizer which belongs to the unresonance power synthesis technology in the field of the microwave and the millimeter-wave.
高频率稳定度功率合成器，是属于微波、毫米波领域中的非谐振功率合成技术。
The utility model relates to an HF stabile power synthesizer which belongs to the unresonance power synthesis technology in the field of the microwave and the millimeter-wave.
高频率稳定度功率合成器，是属于微波、毫米波领域中的非谐振功率合成技术。
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