高频

R、C吸收以及高频滤波。

R , C is absorbed and high frequency is filtered .

目的探讨缺血预适应（PC）心电高频能量的变化规律和缺血预适应的机制。

Objective To study variety of the high frequency energy and preconditioning ( PC ) mechanism in preconditioning .

动物可以听到人类所听不到的高频声音。

Animals are able to hear high-pitched sounds that are inaudible to humans .

自动调节甚高频接收器现在普遍应用于汽车。

Auto-tuning VHF receivers are now common in cars .

方案聚焦老年人日常生活涉及的出行、就医、文娱、办事等7类高频事项和服务场景，提出了2020至2022年期间的工作目标。

The plan sets objectives for work in the 2020-2022 period focusing on seven types of services and scenarios services .

斩获头奖的“爆买”成为近来日本媒体上的高频词，形容大批中国游客乘巴士抵达东京购物区免税店、狂买电饭锅和高科技马桶盖等商品的行为。

The top winning phrase , " Bakugai , " frequently appears on Japanese media in recent days , after busloads of Chinese travelers arrived at duty-free stores in Tokyo 's shopping districts , purchasing items including rice cookers and high-tech2 toilet seats .

GIS局部放电超高频检测法有关问题的仿真研究

Research on Ultra-High-Frequency Method for Detection of Partial Discharge in GIS

GIS内部局部放电的超高频测量方法

The Measurement Method of the Partial Discharge at Very High Frequency in GIS

飞船高频V型天线参数矩量法计算

Calculation of Flying-boat high-frequency V Antenna Parameters by Moment Method

PLC在固态高频焊机中的应用

Application of PLC in Solid State High Frequency Welding

I／Q方法用于高频信号鉴相

I / Q Methods Applied to Phase Detection of RF Signals

高频感应加热法制备Zn超细颗粒及分析

Preparation of Zn Ultrafine Particles by Induction Heating Method

PWM高频整流技术

Techniques of high frequency PWM reversible rectifier

高频段目标RCS的测试及理论分析

Measuring and Theoretical Analysis of HF RCS on the Ocean Surface

高频PCB设计过程中的干扰分析及对策

Interference Analysis and Countermeasures in HF PCB Design

阐述从高频地波雷达海洋回波反演海洋表面流中，使用MUSIC算法提取径向流方位必须的信号预处理。

In this paper , signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated .

通过在高频变压器的次级增加一个谐振电感并配合开关管PWM控制，实现了主开关元件零电压开通。

ZVS is realized by adding a proper leakage inductance to secondary of the high frequency isolation transformer .

PWM逆变器高频脉冲输出对电机的负面效应及其对策

Negative effects of high-frequency pulse output of the PWM inverter on motor and one way to restrain them

高频PCB中EMI问题的研究

EMI problem research on higher frequency PCB

Ka波段毫米波耦合腔慢波结构高频特性的实验研究

Experimental Investigation of the RF Characteristics of Ka-band Coupled-Cavity Slow Wave Structures

高频声像图与CDFI诊断慢性乳腺炎的价值

Evaluation the value of high-frequency ultrasonography and CDFI in diagnosing chronic mastitis

对于腔体内部适合用高频方法处理的部分采用IPO方法分析；

IPO approach is applied for the region where it is suitable to use high frequency method ;

同时随着频率的增高，积累区栅电容也随之增加，这是由于在更高频率下，内部串联电阻对高频C一V特性的影响更加显著，因为频率越高MOS电容的阻抗越低的原因。

The reason is that the series resistance becomes more significant because of the lower impedance of the capacitor at higher frequency .

高频脉冲TIG焊机及其应用

High-frequency pulse TIG welding machine and its application

MOSFET的高频热噪声

High - frequency thermal noise in MOSFET

单片机在高频DC-DC变换器中的应用

Application of Single-ship Computer in High-frequency DC-DC Converter

因此本文对一种基于高频PWM电压源变换器的能量回馈式放电装置作了详细的研究。

Therefore detailed study is made in this paper on the battery-discharging device based on high-frequence PWM voltage-source converter ( VSC ) .

方法42个乳腺肿块经手术及病理证实，对术前高频声像图特征与CDFI表现进行分析与比较。

Methods HFU and CDFI findings were compared in 42 cases with confirmed breast masses .

低频词比高频词有更大的ERP晚正成分（LPC）；

Amplitudes of late positive component ( LPC ) were larger for low than for high frequency words ;

并根据系统要求，选定了超高频微带天线和数字I/O控制模块，选定泰克公司的TDS5032高速数字示波器作为系统的数据采集单元，构建了GIS局部放电超高频数据采集系统。

Moreover , the UHF microstrip antenna and digital I / O module and data acquisition unit & TDS 5032 digital oscilloscope were selected according to the requirements of system .