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。
High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.
高压硅堆是彩电和彩色显示器行输出电路中的关键器件,其开关速度的快慢直接限制了行扫描频率的高低。
An improved plan of silicon controlled rectifier (SCR) line type trigger is described in detail. Anew practical circuit of bipolar transistor trigger for high pulse repeat frequency is presented.
详细地介绍了可控硅整流器(SCR)线型触发器的改进型设计方案,提出了用于高脉冲重复频率的双极晶体管触发器的实用新电路。
But the line located in the low frequency of ship noise spectrum has high intensity and stability. This fact provides new idea in estimating target motion parameters.
而处于舰船噪声低频区的线谱具有很高的强度和稳定度,这一事实为估计目标运动要素提供了新的思路。
The HMM based multiple frequency line tracking algorithms of work well under very low SNR, except for a high complexity of computation and for generally unnegligible quantization error.
基于隐马尔可夫模型的多频率线跟踪算法,能在很低的SNR环境下工作,但量化误差较大,和计算量大。
Fitting operating frequency of Xinsai line high-frequency channel is decided through sweep checking of the channel.
通过对新赛线高频通道进行扫频试验,选择适合该高频通道的工作频率,有效地减小了该高频通道的衰耗。
If input sigmal is supwrimpsed with high-frequency noise use a low-pass filter in the input signal line.
若输入信号伴随高频干扰,应在线里用高频过滤器。
Digital Power line USES a network, known as a High Frequency Conditioned Power network (HFCPN), to transmit data and electrical signals.
数字式输电线使用一个网络,以一个高频率被适应的力量网络(HFCPN)著名,传送数据和电信号。
A new design of soil moisture sensor using frequency domain reflectometry technology is introduced by derivation of equation of high frequency response of transmission line.
通过详细介绍传输线的高频率响应原理及其推导方程,以此为基础设计了基于频域反射的土壤水分探测传感器。
Through experiment the best eddy current exciting frequency for the detection of the high voltage transmission line is determined.
通过试验确定了高压输电导线电涡流检测的最佳激励频率。
Finally, it makes the asymmetric estimation with high-frequency data in a specific period, using the method of realized volatility and the line model.
最后,在一个具体的时间段采用高频数据对不对称性作出估计,我们应用已实现波动率的方法并用线形模型做出了估计。
When the galloping occure, the transmission line vibrates up and down with low frequency, high amplitude and a great amount of energy, which causes great damage to the transmission line.
这种形式的舞动,属于驻波舞动。导线舞动时作周期性上下摇摆,其频率低振幅高而且能量大,有较强的破坏作用。
A novel adaptive line enhancer (ALE) with high frequency resolution was presented, which suitable for underwater acoustic communication with MFSK or frequency hopping (FH) modulation.
根据水声mfsk或跳频通信中频率估计特点,提出了一种基于自适应线谱增强器(ale)理论的实用高分辨频率估计新方法。
The transmission of high frequency signals in multi-conductor electrical cable may introduce serious line-to-line crosstalk, which may result in the loss of signal energy on receivers.
高频信号在多导体电力线上传输时会存在严重的线间串扰,造成接受端信号能量的损失和信号的混乱。
The analysis of the high frequency impedance in a distribution network is an important aspect of power-line communication.
配电网高频阻抗特性分析是当前电力载波研究的一个重要内容。
ADSL USES the high frequency band which has not been used in the common telephone line and the advanced modulating technique to provide broadband access.
ADSL利用了普通电话线中未使用的高频频段,采用先进的调制技术,提供宽带接入。
Analysis of the bus transfer characteristics is detailed, including the modeling of transmission line and high-frequency coupled interference of transmission line.
初步分析母线传输特性,包括传输线等效模型和传输线高频耦合干扰模型。
Research methods: in this paper, an accurate water tree model has been created. We have successfully developed a new hot-line diagnostic method called "high frequency superposition method".
研究方法:建立了水树精确数字仿真模型,提出一种新的在线绝缘诊断方法:高频信号叠加法。
The utility model discloses a frequency converter special used controller which is simple in line, compact in structure, low in cost and high in reliability.
本实用新型公开了一种线路简单、结构紧凑、成本低廉而且可靠性高的变频器专用控制器。
The tonal balance is nicely judged: high-frequency performance lacks nothing for bite, yet is composed enough to stay in line even when provoked by poor recordings.
声音的平衡性是深思熟虑的:高频表现丝毫不缺光芒,然而同时又是控制良好的,即使是糟糕的录音也不会过分。
Applicable to close-circuit TV system below 1GHz, public antenna system (CATV/MATV) as branch line and owner line or equipment line or internal line for other high frequency machine.
用于1GHz以下闭路电视系统,共用天线系统(CATV/MATV)作为支线和用户线以及其它高频率机器的连接线或内部配线。
Based on the analysis of the EMI sources and coupling paths of an off-line PWM converter, a high frequency model of EMI coupling paths is built and verified by measuring and theoretical calculation.
在对离线式PWM变换器电磁干扰源和电磁干扰传播通道分析的基础上,通过实测和理论分析相结合的方式,建立了电磁干扰传播通道的高频模型,并进行了验证。
The company now has six high-frequency straight seam welded pipe units, three hot-dip galvanizing line.
公司现拥有六条高频直缝焊管机组,三条热镀锌生产线。
This production line fills the blank of high frequency weldedbendanle aluminum spacer in China.
该生产线得投产使我国中空玻璃生产所需的材料不再依赖进口。
These all can reach the ideal purpose. The line use imported electric components and its speeds are changed by frequency conversion with high accuracy.
该项饼干生产线全线采用进口电器元件,变频调速,节能可靠,单控,联控均有。
A new fast digital filter of on line eddy current testing system for decreasing the effect of high frequency noise was researched.
针对涡流在线检测系统中的各种高频噪声影响,设计了快速去噪滤波算法。
A new fast digital filter of on line eddy current testing system for decreasing the effect of high frequency noise was researched.
针对涡流在线检测系统中的各种高频噪声影响,设计了快速去噪滤波算法。
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