片语

FH spaceFH空间

FH FeedHole导孔

FH Ayaresv埃利斯

FH sequenceFH序列

German FH德国应用科技大学

ULM FH德国乌尔姆工学院

FH communication跳频通信

FH PWB灯丝加热电路板

fh testfh检验

英汉例句

• Results from commercial application showed that FH 98 catalyst , with satisfactory activity and stability, was an excellent hydrotreating catalyst.

  工业应用结果表明，FH 98加氢精制催化剂具有良好的活性和稳定性，是新一代优良的加氢精制催化剂。

• Firstly, the definitions of absolute and relative key amounts of FH systems, equal-interval and unequal-interval FH systems are given.

  首先给出了跳频系统的绝对密钥量和相对密钥量、等间隔和非等间隔跳频系统等定义；

• A series of control tests such as inner consistency test, threshold value test, FH test, time window moving test, etc. show that the application result of the method is stable.

  内符合检验、阈值试验、FH检验、时间窗移动试验等一系列控制试验表明识别结果较稳定。

• Then, the specific frequency properties of DDS output signals and their effect on FH signals are carefully analyzed.

  接着，分析了DDS输出信号的频谱特性以及这些特性对跳频信号的影响。

• DS, FH or mixing communication system is used in wireless network attack, information transmitted system is used as kernel unit, and many communication means is synthetically used.

  主要使用DS、FH或二者混合通信体制，其核心为信息传输系统，可综合采用多种通信手段。

• Therefore, based on researching FH communication systems, the influence of part time-resident interference on FH communications synchronization and its tracking has been mainly analyzed.

  为此，在对跳频通信系统研究基础上，重点分析了部分驻留时间干扰对跳频通信系统同步及跟蹤的影响。

• A timing and frequency synchronization scheme based on FH sequence is proposed for the free space optical communication Orthogonal frequency Division Multiplexing (FSO-OFDM).

  提出了一种基于FH序列的自由空间光通信多载波调制(FSO - OFDM)时间频率同步方案。

• Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.

  针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。

• The normal single mode optical fiber is not available for FH OCDMA system without any compensation scheme.

  群速度失配造成的光脉沖位置偏移，在没有补偿措施的情况下，普通单模光纤不适于现有的FH -OCDMA系统。

• The principle of FH communication is described.

  简述了跳频通信的基本原理。

• Finally, simulation models of FH transmitter, receiver and jammer are presented. The influence of frequency excursion on performance of multi-tone continuous wave jamming is analyzed.

  最后给出了跳频通信发信机、接收机以及干扰机成员的仿真模型，分析了频率偏移对多频连续波干扰性能的影响。

• So researching the surveillance, interception and classification methods for FH signals has been a difficult and pressing task in communication countermeasure fields.

  开展对跳频通信对抗的研究，寻求截获，分选识别跳频通信信号方法，已成了当前通信对抗领域紧迫而困难的任务之一。

• It is importance for us to exert the battle efficiency and improve the battle effectiveness of FH communication systems.

  对正确应用跳频通信系统和提高其战斗效能具有重要意义。

• It is crucial to study the features of the frequency hopping signals in both time and frequency domain in order to detect and trace the FH signals.

  对跳频信号的时频域进行分析是研究跳频通信，实现识别、跟蹤跳频信号的重要基础。

• Based on the characteristics of the TOD FH synchronous technique, which works by means of identifying, separating and jamming FH synchronous signals.

  基于这些特点用干扰同步信号的方式来对跳频同步信号实施同步瞄準式干扰。

• In order to use the military FH radios correctly we must study the factors of affecting the military FH radios.

  军事上为了正确应用跳频电台，必须对影响跳频电台正常通信的因素进行研究。

• FH composite fire retardant for PP tufting carpet using in back-coating latex have been presented.

  研究开发了FH复合阻燃剂，用于背衬胶乳阻燃法阻燃丙纶簇绒地毯。

• Actual test shows this receiver is able to accomplish the task of automatic reception of FH signals.

  经实际测试，该接收机能完成跳频信号自动接收的任务。

• It is significant for us to exert the battle efficiency and improve the battle effectiveness of military FH radios.

  对于发挥军事跳频电台的战斗效能、提高其战斗力具有重要意义。