高频率

At intermediate frequencies , the SMRR is appreciably lower , but increases with increasing frequency .

在中间频率的问题，模板是略微降低，但增加的频率越来越高。

A large uumber of numerical calculations using the analytic formula and the dispersion equation have been candied out on the relations of the attenuation and phase constant with wave frequency, thickness and conductivity of the lossy layer.

此式适用于截止频率附近，通过解析表达式和波导模式色散方程，对衰减常数和相位常数进行了大量数值计算，得到了它们随损耗层厚度、频率以及损耗层电导率的变化规律，两种方法所获得的结果有较好的一致性，研究表明，损耗强度和损耗层厚度的变化会改变波导中电磁模式的色散和简并特性，对于改善高功率回旋行波放大器中注波互作用带宽和模式竞争非常有益。

In order to improve the operation frequency, the self-suck resonator pulse detonation engine was founded, the ignition principle of the new engine use the method of shock focus autooscillation, so, it possess high ignition and operation frequency, many experts have taken experiment and numerical simulation. However, the physical processes in the resonator cavity are very complicate,the reliable theory haven't set up by now, require the further study.

为了提高脉冲爆震发动机的工作频率，自吸气共振型脉冲爆震发动机模型被提出，该新型发动机点火原理采用激波谐振聚焦点火方式，具有很高的点火及工作频率，许多专家对此进行了实验研究和数值模拟，但由于谐振腔内的物理过程非常复杂，到目前为止没有一套可靠的理论，有待于进一步研究。

It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.

它通常出现在射频，叶片通过频率和整流子刷频率，其高次谐波。

Then, the high and low tidal levels for engineering design were calculated based on the predicted results, and the tidal level corresponding to the cumulative frequency 99% of hourly-varied data series of tidal levels accorded with that corresponding to the cumulative frequency 90% of the data of low tidal level.

利用预报结果计算了工程设计高、低潮位，时序潮位累积频率99%对应的潮位与低潮位序列数据累积频率90%对应的潮位一致。

In the aspect of Opto—electrical signal processing, because the heterodyne interference signal is a high frequency fringe signal, how to measure the phases change of this signal——including the integer part of phases change over 2π and decimal part of phases change within 2π, is a difficult problem in electrical circuit technique.

一方面，该电路能同时测量出相位改变量的2π整数部分和2π以内的小数部分，从而实现了大量程和高精度的统一；另一方面，由于该电路是模拟电路，其最高工作频率可以远大于由数字集成电路组成的条纹计数电路，故在实际应用中，其工作频率的设计范围能够适应较宽的外差干涉差频范围，这就为高速激光外差干涉测量打下了基础。

To investigate high-accuracy frequency measurement,the measurement error of the phase detection method is analyzed.

针对高精度的频率测量，分析了相位检测法的测量误差，根据分析结果提出并实现了一种基于FP-GA实现的频率测量方法。

The above effects of ultrasound on the structure and catalytic properties were related to the frequency of used ultrasound, and the relationship followed the Gaussian distribution curve approximately. The maximum was located at 50 kHz ultrasound.

并且超声波对催化剂结构和催化性能的影响与超声波频率有关，不同频率的超声波对LaBO〓催化剂结构和性能影响的规律近似高斯分布曲线，以50kHz的超声波影响最大。

The quaternion signal model was constructed through the separated signal and its Hilbert transform. The corresponding four order cumulant was defined to restrain the additive Gauss noise and the frequency was extracted using the properties of Hamilton quaternion and hypercomplex.

并根据该模型利用特殊的四阶累积量切片分析了加性高斯有色噪声中二维谐波频率估计及联合Hamilton四元数和超复数在二维谐波频率估计中的应用前景。

Comparisons reveal that: plan of GSM Modem is fit for circumstances of low communicating frequency , insensitiveness of data delay and low cost; plan of GPRS DTU adapts to occasions of high communicating frequency, low delay, large data flow and restrict requirement of security.

比较的结果表明，GSM Modem方式适合于通讯频率小，数据延迟不敏感，费用低的场合；GPRS DTU方式适合于通讯频率大，数据延迟小，数据量大，安全性要求高的场合。

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！