The purpose of quadrature modulation is to generate the SSB RF exciting pulse that avoids exciting it「s mirror slice.
正交调制的目的是产生单边带RF激发脉沖,以避免激发镜像层面。
Present the SSB modulation and some characters of HF communication.
分析短波通信的特点,了解单边带调制的相关特性;
It gives best audio quality for FM mode and maximum efficiency for SSB mode.
资讯科技对于FM模态给最好的声音质量并且为ssb模态给最大的效率。
If vessels aren」t equipped with VHF, they can utilize mobile telephone, fax, SSB and so on.
若船舶不具备VHF通信条件时,也可采用移动电话、传真、单边带通讯等方式进行。
To increase the effectively transmitted bandwidth, digital multiplex channel Weaver complex modulation is employed to implement SSB modulation.
为了提高载波机的有效传输带宽,可采用多路数字韦瓦复调制的原理来实现载波机的单边带调制。
Unlike the website special browser, I also can use SSB to browse other website.
不同于网站专门浏览器,我也可以使用SSB浏览别的网站。
The oviposition choice test in the laboratory showed that both SSB and PSB had little difference in oviposition selectivity to the two kinds of rice.
室内产卵试验表明,二化螟和大螟在两种水稻上不存在产卵行为的选择差异。
And, because SSB is a completely independent course, can make firewall regulation limit its network visit.
而且,因为SSB是一个完全独立的进程,可以制定防火墻规则来限制其网络访问。
SSB [Sichuan Seismological Bureau] has data that would let us examine this more closely.
四川地震局拥有数据并愿意让我们更严密地检查这些数据。
Last year, SSB found that the dam「s developers hadn」t yet established the required monitoring system.
去年四川地震局发现水库的开发者根本还没有建立起符合要求的监测系统。
There is one other problem: the increased skill that is needed to tune into an SSB signal.
还有另外一问题:需要增进调谐到一个单边带信号的技能。
The SSB phase noise and timing jitter are further analyzed in this experiment.
在这实验,相位杂讯和时序抖动被进一步做分析。
Design mainly SSB signals have had time and frequency domain analysis.
设计中主要是对SSB已调信号进行时域和频域分析。
The SSB figures are based on customs declarations on defense exports.
挪威统计局的统计数据主要基于国防出口的海关申报。
A linear power amplification system of high efficiency is adopted to raise the power performance index of some SSB transceivers.
为了提高某单边带电台的功率性能指标,采用了高效率线性放大系统。
SSB signals become very crowed in short-wave frequency range, so a good anti-noise communication receivers is needed to receive SSB signals.
单边带信号在短波频段内十分拥挤,因此要接收单边带信号就需要一个高抗干扰的通信接收机,过去由于器件的落后,直接影响先进方案的实施。
The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.
给出了FM正交解调结构,即在统一的中频数字化硬件平台上,与单边带、调幅等波形一起在基带完成正交解调。
Outstanding S/N ratio is achieved, providing clean audio in SSB , AM and FM.
优秀的S /N比,是实现,提供清洁的音频,办学团体,AM和。
Low SSB phase noise and high spurious rejection for all in-channel and blocking measurements.
低单边带相位噪声和杂散抑制高所有的通道和阻止测量。
This paper introduces a method of designing low power SSB transceiver as well as its work principle.
本文介绍了一种低功率SSB收发信机的设计方法及其工作原理。
ConclusionThe antibacterial mechanism of SSB on S. aureus may be involved with the inhibition of DNA, RNA, protein and peptidoglycan synthesis, its effective ingredients may be flavonoid compound.
结论千里光的抗金黄色葡萄球菌作用机制可能是通过抑制细菌的DNA,RNA,蛋白质和肽聚糖的合成有关,其作用的有效成分可能是黄酮类化合物。