高频

UHF frequency converter, local oscillator，wide band am plifier.

用于超高频频率转换,负载振荡器,宽频。

The equipment is used for fiberize of broke pulp，waste paper pulp。

盘高频疏解机适用于损纸、废纸等浆料的疏解。

Objective To analyse the ultrasonograph ic appearances of muscular and soft tissue diseases using high frequency ultraso und.

目的分析高频超声下肌肉系统病变超声声像图表现。

Objective: To evaluate the value of ultrasonograph in trauma of the scrotum with high trequency ultrasound.

应用高频超声评价阴囊及内容物外伤的超声表现。

Check the maintenance indicator and the HF remote control unit and carry out the procedure to reinitialize the windows.

检查保养指示灯和高频遥控单元，并执行车窗玻璃初始化。

Overall smooth, dynamic response is assured by the Pembroke’s audiophile grade crossover which also offers the option of bi-wiring.

论高频延伸、清晰度及准确度，因得到发烧级分音器协同，它是可以全面发挥出来。

The high frequency switch-mode power supply focused by this subject mainly used in galvanoplastics(NDF), electrification(NCF), electrical chemistry(NHF), and excitation(NLF).

本课题研制的高频开关电源主要用于电镀（型号：NDF）、充电（型号：NCF）、电化学(型号：NHF)和励磁（型号：NLF）。

During the experimental test of the VDCS, high frequency interference, MOSFET protection and predrive circuit design were the key issues.

多功能驱动电路系统实验调试中，重点讨论了高频干扰问题、MOS管的高压保护和预驱动电路设计。

A three dimension polarization filtering algorithm is put forward to suppress th e skywave interference in HF ground wave radar.

以高频地波雷达为背景，提出了三维极化滤波法，此法能够滤除二维极化滤波不能抑制的干扰，扩极化滤波的干扰抑制范围。

Contains symbols for VHF, UHF, and SHF circuit design, including capacitance measurers, nonreciprocal devices, modulators, phase shifters, field polarization devices, and filters.

包含用于甚高频、超高频和特高频电路设计的符号，包括电容测量器、不可逆设备、调制器、移相器、场极化设备和滤波器。

A prototype of high frequency induction heating power is developed by multidevice parallel connection and using power MOSFETs as the power switch.

以功率MOSFET为开关元件,采用多管并研制出高频感应加热电源。

Abstract The effects of neurotransmitters and receptor antagonists on HFO in phrenic discharge were observed in 65 unanaesthetized, vagotomized, paralyzed rabbits.

摘要 于65只清醒麻痹、迷走神经切断的家兔，观察第四脑室内注射中枢递质和受体阻断剂对膈神经电高频振荡频率的影响。

The traditional transformer is trending towards pocketsize and noiselessly in inverter using high-frequency link technique,but the control circuit becomes difficult to be designed.

高频链技术使逆变器中变压器趋向于小型、无噪声化,但增加了控制电路的设计难度。

In all cases no one primarily recurred.Conclusions:Endoscopic treatment by endothermy heater forcels biopsy is an effective and safe therapetic method for flat colonic adenoma.

内镜下热活检钳高频电灼治疗肠扁平腺瘤的法切实可行、安全可靠，治疗上有一定的实用价值。

The factors which influenced somatic embryogenesis and plantlet regeneration in Picea meyeri Rehd. et Wils. were studied in order to establish a high frequency embryogenetic system.

摘要为建立白杄体细胞胚胎发生及其植株再生的高频率实验系统，对聚乙二醇及干化处理的影响进行了系统研究。

The frequency of HF is determined by the ratio of respiratory frequency and heart rate.The results also indicated that nonadditivity of heart rate modulation by sympathetic an...

高频峰的频率是呼吸频率与心率之比，低频和极低频可能与交感和副交感神经调节心率的非可加性有关。

Results Not only the structure of cubital and carpal tunnel cauld be showed clearly,but also the cause of the cubital and carpal tunnel syndrome could be distinct.

结果高频超声不仅能清晰显示构成肘管及腕管的骨质、软组织及其内容物,而且能够明确肘管和腕管综合征的病因以及尺神经和正中神经的形态学变化。

Brazing quality and product reliability are both increased as using high frequency pulse microplasma arc heating process for assembly brazing of cathode and photoetching grid of electron tube.

采用高频脉冲微束等离子弧做为电子管阴极和光刻栅极装配钎焊工艺的热源,提高了钎缝质量和产品的可靠性.

The maximum of B along elevation direction is closely under the central section of coil.The B of equiamplitude magnetic field is increased by increasing of the output current ...

等幅高频磁场的磁感应强度随高频电源输出电流的增加而增加,磁场调幅处理能提高磁场内的磁感应强度,提高调幅波信号的幅值电压,可有效提高磁场内的磁感应强度。

But this study does not discover any relationship between CHD and APOA1 gene, APOB gene, APOC3 gene, APOE gene, LPL gene, 30 candidate locus of the high frequency SNPs .

但本课题研究人群中APOAⅠ基因、APOB基因、APOC3基因、APOE基因、LPL基因30个候选位点的高频SNPs未显示与冠心病的相关性。