MHFCS has the capability to transform high Frequency (HF) communications worldwide and provides nations with the highest levels of global connectivity while enhancing their information security.
MHFCS有能力改变世界各国高频通信，为各国提供高水平连接，同时提高他们的信息安全。
Harris will supply Falcon II RF-5800H high-frequency (HF) radio systems for long-haul, beyond line-of-sight terrestrial communications.
Harris公司将提供FalconIIRF- 5800H长途高频(HF)无线电系统，具有超视距地面通信能力。
HF inhaled in high concentrations may cause glottitis (obstruction of the airway) and acute pulmonary edema.
吸入高浓度HF会导致喉道阻塞和急性肺水肿。
Direct distillation, alkaline leaching, alkaline calcinations and HF leaching test were conducted to extract germanium from high silicon material containing germanium.
为从高硅含锗物料中提取锗，进行了直接蒸馏、加碱浸出、加碱焙烧和HF浸出试验。
We compared on-line hemofiltration to high-flux hemodialysis (HF-HD) in patients in a sequential manner.
我们在患者中以连续性方式比较了在线血液滤过和高通量血液透析（HF-HD）的疗效。
The results showed that HF acid has remarkable deashing capacity for coal and graphite with high Si and low Ca content.
结果表明，HF酸对高硅低钙含量的煤和石墨有显著的脱灰效果；
However, the HF subband is created by subtracting the synthesized LF subband from original image but not by 2-D high-pass filtering original image.
但是，高频子带并不是通过2-D高通滤波原始图像，而是通过原始图像与合成的低通子带相减得到的。
The 25.4mm (1") exit 1.2" cloth diaphragm HF compression driver projects crystal clear high frequencies.
的25.4 （1“）出口1.2”高频压缩驱动器项目水晶布膜清晰的高频率。
The classic analysis of high-frequency (HF) protection only takes account of the channel delay effect of HF signal, neglects the delay effect of electric traveling wave.
高频保护传统分析方法仅考虑高频信号在通道中的延时效应，没有分析电气量的行波延时效应。
Therefore, under the circumstances, several requirements and measures are proposed for high-speed MOSFET driver circuit and reducing MOSFET HF loss.
因此，针对这种情况，提出高速MOSFET驱动器应具备的几点要求以及降低MOSFET高频开关损耗的几项措施。
Owing to the decametric wavelength, the angular resolution of High Frequency Surface Wave OTH Radar (HF SWOTHR) is usually coarse especially when dimensions of antenna array are restricted.
由于工作在高频段，高频地波超视距雷达的角分辨力较差，尤其是当阵长受限时。
Compared to HF heating and other methods, it is with high welding speed, high production, low cost.
该工艺方法较之以往的高频加热法和管材导电加热等工艺方法，具有焊速快、生产率高、成本低等优点。
The high voltage and concentration of HF solution lead to corrosion of the surfaces of TiO2 nanotube arrays.
过高的阳极氧化电压和HF浓度导致钛表面局部区域腐蚀，部分生成的纳米管产生塌陷。
High frequency (HF) communications play an important role in the field of their communications because of their skywave propagation characteristics.
短波通信由于其天波传播特性，在通信领域具有其它通信手段无法替代的地位。
The ionosphere contamination imposing on the High-frequency(HF) radar echoes has to be suppressed since it severely degrades the detection performance of HF radar.
高频雷达回波信号受到电离层污染从而影响了雷达的探测性能，因此需要进行去污染处理。
G function arithmetic of a HF high speed FH CHESS radio produced in U. S. is deeply studied in this paper, which involves FH pattern and the modulation and demodulation etc.
本文深入研究了美国推出的短波高速跳频CHESS电台的G函数算法，涉及到跳频图案、信息调制与解调等。
RFID, divided into high-efficiency (HF) and ultra high-efficiency (UHF), is becoming increasingly prevalent in libraries.
图书馆应用rfid越来越普及，而RFID市场上有高频和超高频之分。
This paper mainly fulfills realizing the real Time Channel Estimate (RTCE) Technology of adaptive High-Frequency (HF), which is one of the digital businesses.
本文主要完成数字化业务中的一项——高频自适应中实时信道估值技术(RTCE)的实现。
The new developed HF high-performance grouting stuffing has such properties as high early strength, high-strength and durability so as to provide grouting with relatively great anchoring strength.
研制的HF高强灌浆料具有早强、高强、耐久性好等特点，使灌浆料具有较强的锚固能力。
The ratio of the low frequency to high frequency components in HRV power spectrum(LF/HF) fluctuates with the change in the sleep stages.
HRV频谱中低频和高频成分的比值（LF/HF）随着睡眠深度的变化而波动。
A reliable way to improve the quality of spiral pipe was the substitution of high frequency butt welding for HF lap welding.
高频对焊代替高频搭焊是提高中直径螺旋焊管质量的可靠途径。
In this paper, a new design of frame synchronization acquisition scheme in the high-speed multi-tone HF MODEM is proposed, and the theoretical formula of the design is derived.
本文提出了一种并行体制无线数传机新的帧同步建立方案，并给予理论公式的推导。
In terms of operation frequency, RFID systems can be divided into four categories: low frequency (LF), high frequency (HF), ultra high frequency (UHF), and microwave.
根据工作频率来分，RFID系统可以分为低频，高频，超高频和微波四个波段。
These are high-output, high efficiency loudspeakers, featuring Wharfedale pro proprietary 12 "drive units and a purpose-built high quality Electro-Dynamic HF driver (with overload protection)."
这些都是高输出，高效率的扬声器，采用乐富豪专业专利12“驱动装置和一个专门设计的高品质电动式高频驱动器(带过载保护)。”
High frequency band is a hostile electromagnetic environment. In this band atmospheric noise emitted by lightning in a short distance may badly affect HF GW radar's normal function.
高频段电磁环境恶劣，近区雷电在这一频段激发的天电噪声对HF -GW雷达的正常工作构成了严重干扰。
The HF detail circuitry in the AP-603 USES a dynamic shelving equalizer to enhance the clarity of high frequency, while LF detail circuitry adds punch and definition at the lower end of the spectrum.
独特的高频细致电路采用动态均衡方式以提升高频的清晰度，而低频细致电路则增强低频的冲击力及逼真度。
The HF detail circuitry in the AP-603 USES a dynamic shelving equalizer to enhance the clarity of high frequency, while LF detail circuitry adds punch and definition at the lower end of the spectrum.
独特的高频细致电路采用动态均衡方式以提升高频的清晰度，而低频细致电路则增强低频的冲击力及逼真度。
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