高频率

The different width and length of Hilbert curve geometries were investigated by finite element method. The computation results show that the DGS rejects the signal at two frequencies 2.43 GHz and 7.11 GHz from 0~9 GHz with more than -15 dB suppression. Q factors of the Hilbert curve DGS is bigger than that of conventional DGS.

通过有限元法对不同Hilbert曲线宽度和长度的DGS结构微带线进行计算，计算结果表明，该结构在0~9 GHz频段内表现出2.43 GHz和7.11 GHz这2个谐振频率，对应频率的通带反射损耗低于-15 dB，并且阻带特性在谐振频率处比传统DGS微带线有更高的 Q 值。

On the disribution transformer, whose impedance is independent of varying load while the frequency is higher than 25KHz, and the parallel resonance frequency of which is in 3~10 kHz.

由探讨知，杆上配电变压器的并联共振频率约在3~10kHz之间，在此频率范围，信号的分路损失最小，又载波频率高於25KHz时，其分路损失几与负载的变动无关。

The frequency of a sound is the number of cycles per second of a sound wave.

所谓频率，就是一个声浪每秒种的周率，声音频率越高，音节就越高。

First, the methods and procedures of general three orders nonlinear identification are summarized and the results are frequency functions described by basic and high order spectral density functions and frequency response functions.

得到的结果是用基本的和高阶的谱密度函数以及基本的和高阶的频率响应函数表示的频率函数。

In this paper, an algorithm to achieve both two dimensional high resolution and wide swath is proposed. Every small satellite work in the active state, they transmit and receive different frequency band signal simultaneity. First, the azimuth ambiguity is eliminated in each frequency sub-band, then the signal is rectified to zero Doppler frequency, after that this algorithm does the range spectral synthesis to achieve high range resolution.

该文分析了一种沿航向排列分布式小卫星宽测绘带二维高分辨率成像技术，每颗卫星同时发射接收不同频率的线性调频信号，先分别在每个子带解方位多普勒模糊，并将方位多普勒中心频率调整至零频，然后在距离向进行子带拼接得到大带宽的线性调频信号从而得到高的距离向分辨率。

Log-domain companding technique takes advantage of the exponential I/V characteristics of the active devices such as bipolar junction transistors, compressing the dynamic range of the input sigal and reducing internal voltage amplitudes, it can maintain large dynamic range and high operating frequency under low supply voltage , the main area of application for this technique is the implementation of continuous-time fully integrated filters with low voltage, wide dynamic range, high-frequency, and wide tenability.

对数域压扩技术利用BJT晶体管等有源器件的指数Ⅰ-Ⅴ特性，对信号作对数压缩处理，大大降低了电路内部节点电压的摆幅，能在低电源电压下保持大信号动态范围和高工作频率，该技术的主要应用是设计具有低电压、宽调谐范围、高工作频率和宽动态范围特性的连续时间全集成滤波器——对数域滤波器。

The results described above demonstrated that physiological AAI pacing increased CO remarkedly by preserving original LVEF and SV, while nonphysiological VVI pacing and physiological DDD pacing restricted the increase in CO as a result of reduced LVEF and SV.

其血流动力学效果表现为，生理性AAI起搏能在保持原有LVEF和较高SV较高的基础上，随起搏频率的增快，CO呈线性增加，而VVI和DDD起搏则由于LVEF、SV随频率增加而有所降低，致使CO增加受到限制。

Result proves that ultrasound frequency is higher in the same time, lethality rate increases with the increase of radialization time on the same frequency, at the same time, its physiological character changes.

试验结果表明，在相同的时间内，超声波频率越高对试验菌株的致死率越高；同一频率，超声波辐射时间增加也可使试验菌株的致死率增高，同时经过诱变处理后的菌株其生理生化特性也有变化

A novel microemulsion was prepared to increase the solubility and enhace the in vitro transdermal delivery of OXA. For the microemulsions, types of oil phase, surfactants, cosurfactant were chosen and the double-distilled water was purified as water phase.

奥沙普秦玻璃酸钠凝胶的流变学实验结果显示，药物玻璃酸钠凝胶具有假塑性流体特性，在低剪切频率时具有较高的黏度，而在高剪切频率时具有较低的黏度，有利于制剂在皮肤表面的涂布和黏附。

Due to the frequency selectivity and high insertion loss of SAW device , t he inp ut must be high p ul se whose spect rum widt h can cover t he center f requency of SAW tap delay line.

由于 SAW 器件具有频率选择性及较高的插入损耗，使得它的输入必须为高脉冲且脉冲的频谱宽度能覆盖 SAW 抽头延迟线的中心频率。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！