中频

Each kinds of specification intermediate frequency, high frequency, ultrasonic frequency power source, the many kinds of forms smelting, induction heating complete set of equipment, use in the back, nonferrous metal, alloy material smelting, forging and heat treatment.

产品/Product：各种规格的中频、高频、超音频电源、多种形式的熔炼、感应加热成套，用于黑色，有色金属，合金材料的熔炼、锻造及热处理。

This article introduces a new contravariant bridge circuit in the power source of the medium friquency induction furnace,analyzes the necessity of using R-C for protecting the thyris-tors.

介绍一种新型晶闸管中频感应电炉的逆变电桥，分析了对该电桥逆变晶闸管采用阻容保护电路的必要性。

Digital IF mainly include: Digital Up Convert、Digital Down Convert.A/D、D/A and Number control oscillator.

数字中频处理主要包括数字上变频、数字下变频、A/D与D/A的处理以及数控振荡器等。

The not little hairdressing instrument on market is to pass through dc of ultrasonic intermediate frequency, try to enhance nutrient material to pass through the ability of corneous layer; How, the effect also not remarkable from beginning to end, use this kind of technology for a long time to also can be brought send pore bulky.

市面上不少的美容仪器都是透过超声波中频直流电，试图增强营养物质穿越角质层的能力；奈何，效果亦始终不显著，长期使用这类技术也会引致毛孔粗大。

The company has perfect production equipment, casting, machining equipment and advanced physical and chemical analysis, testing equipment, the main equipment cupola, medium frequency electric furnace

公司拥有十分完善的铸造生产设备、机加工设备和先进的理化分析、检测设备，主要设备有冲天炉、中频电炉

To overcome this problem, we think to digitized the signal at medium frequency, even RF, and then demodulate it in digital domain.

为克服这一问题，人们考虑在中频，甚至射频就对信号数字化，再在数字域内进行解调。

The paper provides a new thought and solution based on the research of the IF modulator and demodulator of Software Radio.

本文在对软件无线电中频调制解调器研究的基础上，提出了一种新的思路和解决方法。

In order to study the effect of deoxidation of AlSiBa alloys,experiments of deoxidation of two kinds of Ba alloy were conducted in intermediate-frequency induction furnace.

为了研究AlSiBa合金的脱氧效果，在中频感应炉上应用高Ba和低Ba两种合金进行脱氧实验。

The company has manufactured some products with the function of attemperation and diathermancy, which improving the therapeutic effect, so making you use more comfortable, and this is a huge advancement in the conception of Medium-Frequency Electrotherapy.

本公司推出的具有调温透热功能的产品，不仅提高了治疗效果，也使患者在治疗过程中感觉更加舒适、更加人性化，这在中频仪器理疗的理念上是一次飞跃。

A down-converting mixer fabricated with 0.18μm RF CMOS technology is designed for OFDM-UWB applications.Differing from conventional Gilbert cell topology,a differential topology is proposed and applied in order to reduce the noise contribution and disturbance from the large signal of the local oscillation,as well as to lower the DC consumption of the mixer.

设计了基于正交频分复用超宽带系统的下变频混频器（Mixer ，并采用0.18μm RF CMOS工艺，通过一种不同于传统Gilbert结构的新颖的双平衡结构来实现，以降低本振大信号对输出中频端的噪声贡献和干扰，降低混频器的静态直流功耗等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。