高频的例句大全

With the development of-resonant technique-frequency technique, the-bridge phase-shifted PWM ZVS converter is applied in-voltage, high-current converter.

随着高频技术 、 谐振技术的发展,全桥移相软开关电源广泛应用于在低压 、 大电流开关电源领域.

The emphasis of sigma-delta modulator is on how to modulate the quantization noise to high frequency.

对于S -D 调制器,主要讲述它把量化噪声调制到高频处的原理.

For this reason, special inductor and fixture have been designed and the heat treatment problem of the reverse fork has been successfully solved by double high frequency quenching.

为此，设计制造了特殊的感应器和工装夹具，采用二次高频淬火工艺解决了该倒挡拨叉的热处理难题。

There are hurdles to the spread of HFT, however.

然而高频交易的推广却有些障碍.

In highway construction, the use of Ground Penetrating Radar ( GPR ) has become extensive.

在道路工程中使用广泛的地质雷达是一种通过利用地下介质的不连续性来探测地下目标的 无损 检测工具,是一种 高频电磁 法.

A high-power high-frequency inductive power supply used in ERW for medium-sized straight welded pipes is introduced.

介绍了用于中口径直缝焊管线焊接的高频 大功率 焊接电源,其采用基于IGBT功率元件 的串联谐振式感应电源技术.

The transmission and shielding of high frequency scanning voltage for the P ulsed Van de Graff accelerator

加速器高频扫描电压的传输与屏蔽

Development of Pest Control in Grain with High Frequency Dielectric Method

高频介电在粮食防虫中的应用研究进展

The device comes with seven tweeters and runs on an Apple A8 chip.

该设备装有7个高频扬声器，通过苹果A8芯片运行。

Test plus Application of Hi-frequency Annealing Process for Card Wire

针布齿条高频退火工艺的试验和应用

High-frequency Financial Data's Long Memory SV Model Analysis Based on FFF Regression

高频金融数据的长记忆SV模型分析&基于FFF回归

The Electro-hydraulic Servo Valve with High Response Based on New Type Function Materials

基于新型功能材料的高频响电液伺服阀

Analysis and Treatment of High Frequency Protection Mulfunction Caused by Secondary Intermittent Fault

二次间歇性故障引起高频保护误动事例分析与处理因那次事故而饱受惊吓

The sensorless control methods of permanent magnet synchronous motor are mostly on-frequency signal injection or state-observer.

永磁同步电机无位置传感器控制多基于高频信号注入法或状态观测器法.

The paper proposes application of Wavelet Neural Network in high-frequency time series calendar effects' study. At last, the paper proves that WNN is better than classical FFF regression.

提出了用小波神经网络（WNN）来定量研究高频金融时间序列日历效应，通过比较发现WNN是比弹性傅立叶形式（FFF）回归技术更具优势的方法。

By FFF regression of Andersen and Bollerslev ( 1997), we analysis the periodicity of Shanghai stock index 5-min high frequency data and the long memory characters in filtered absolute returns.

采用Andersen和Bollerslev（1997）的FFF回归方法，对上证综合指数高频数据中的周期性进行了分析，并分析了剔除周期后的绝对收益的长记忆性。

According to the trend and request of software radio, the paper introduces the effective technique of increasing frequency-bandwidth efficiency, reduces or eliminates ISI based on band signal disposing.

根据软件无线电发展的方向和要求，介绍了通过对基带信号处理来提高频带效率，减少或消除无符号码间干扰（insigninterferer，ISI）的有效方法；

The analysis of high frequency ultrasound image on the diagnosis of the retina detachment disease

视网膜脱离疾病的高频率超声声像图分析

High frequency induction hot wire TIG welding of aluminum alloy

铝合金高频感应热丝TIG焊接方法

Application of high-frequency ultrasonography in diagnosis of tendon laxity after tenorrhaphy

高频超声在诊断手部肌腱断裂修复术后肌腱松弛