高速激光器的寄生电容是影响其调制带宽的因素之一。
The parasitic capacitance of the high speed laser is one of those factors which affect the modulation bandwidth.
发现在不同的注入光强度和波长下,激光器的调制带宽和弛豫振荡峰频率会发生变化。
The modulation bandwidth and the relaxation oscillation frequencies of the laser are quite different at different injection powers and wavelengths.
数值模拟结果表明:当自发发射因子较大时,对于不同的有源区体积,电流调制带宽显著不同。
The numerical simulation results show that the modulation bandwidths is obviously different by varying the active volume at an high spontaneous emission coupling ratio.
计算机仿真结果表明,在调制带宽或扩频增益不变的前提下,提高了DSSS调制信号的低概率截获性能。
As a result, the computer simulations show that the LPI capability of the new DSSS modulation become more effective within the same bandwidth and Spread Spectrum gain.
该SNEP将采用MPM1000网络中心波形卫星调制解调器,为战术机动作战提供所需的多频时分多址接入带宽技术。
The SNEP will employ the MPM1000 Net Centric Waveform Satellite Modem to provide Multi-Frequency-Time Division Multiple Access Bandwidth on demand technology for tactical mobile operations.
自从低带宽的拨号调制解调器时代以来,浏览器一直限制客户机-服务器连接的数量。
Since the time of limited-bandwidth dial-up modems, browsers have limited the number of client-server connections.
为了获得足够的带宽,雷达采用一种非规则频率调制的波形。
In order to obtain enough bandwidth, HF radars use an irregularly frequency modulated waveform.
提出了一种在陀螺设计和装配阶段采用正弦调制法测量光纤陀螺带宽的方法。
In this paper, a sine modulation method used to estimate the bandwidth in FOG design and assembly phase is presented.
信息传输的带宽效率一直为人们所关注,对高效调制技术的探索具有重大的现实意义。
Much attention is always paid to bandwidth efficiency in transmission, so it has an important meaning to explore in high efficiency modulations.
文中讨论了以MSK调制技术结合预调滤波器提高带宽效率的系统构建方案。
To increase the bandwidth efficiency, such a system scheme use the MSK modulation method combining with a premodulation filter.
实验结果表明,由于载体寿命的变化,在吸收和增益区域,带宽的时滞随着调制频率的变化而变化。
The experiment shows that the bandwidth of the time delay as a function of the modulation frequency changes in the absorption and gain regimes due to the carrier-lifetime variation.
模拟音频的传播受到调制方式和带宽的决定,有非常多的缺点与不方便。
The spread of analog audio modulation and bandwidth by the decision, there are many shortcomings with the inconvenience.
传输信号采用正交相移键控调制方式,以有效利用有限通信带宽。
Quadrature phase shift keying(QPSK) signaling is employed to make efficient use of the available bandwidth.
由于高速数据占用更宽的带宽,所以在调制制式上应该寻找一种适合于跳频通信特点的具有高频谱效率的调制方案。
Because high-speed data take up wide bandwidth, looking for one which have high efficiency modulation scheme and suitable for frequency hopping communication system is needed.
连续相位调制(CPM)以其较高的功率有效性和带宽利用率,在无线通信领域尤其是军事通信领域得到广泛应用。
Continuous Phase Modulation (CPM) is widely used in wireless communications especially in military communications due to its high power and bandwidth efficiency.
利用降低码片速率有效降低每路信号占有的带宽,将每路信息的比特分配在不同的调制载波上,减少了各路信号间的多址干扰。
Frequency width is compressed by decreasing signature-code speed and using bit-signal modulates by different carrier so as to decrease multi-user interference.
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。
To increase the effectively transmitted bandwidth, digital multiplex channel Weaver complex modulation is employed to implement SSB modulation.
结果表明,为了消除飞秒脉冲的带宽影响,需要对测量记录的光强乘以一个调制因子;
The results show that it is necessary to multiply a modulation function for the recorded interferometric intensity to avoid the effect of pulses bandwidth.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号,具有大的带宽,因此有高的距离分辨力。
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
在数字电视前端采用的数字调制方式需要具有良好的带宽效率和功率效率。
The digital modulation applied in the front of HDTV needs good band efficiency and power efficiency.
为避免过量的传输失真,发射机与接收机之间的带宽至少要两倍于数字载波调制的带宽。
To avoid excessive transmission distortion, the bandwidth between transmitter and receiver must be at least twice that with digital carrier modulation.
而且相位连续的恒定及准恒定包络调制技术,具有很高的带宽和功率利用率,带外辐射较小,因而产生的邻道干扰也较小。
Furthermore, when the phase is continuous, they could provide high power and bandwidth efficiency. Due to the low out-of-band radiation, the interfere between channels is also small.
通过仿真和测试分析了调制方波的周期、相位、占空比、光纤环的群延时以及放大电路的增益带宽对陀螺输出偏置的影响。
The effects of the square wave cycle, phase, duty cycle and the fiber coil group delay and amplifier gain bandwidth on the bias error of closed-loop FOG were analyzed by simulating and testing.
文章从自适应、带宽、调制解调、软件、3g、智能化等六个方面分析了短波、超短波通信技术的发展趋势。
Articles from adaptive, bandwidth, modem, software, 3g, intelligent of the six areas, analysis shortwave, FM ICT development trends.
长处 得当的均等太过编码和传布光谱是和得当的均等一个调制解调器提供高度没有带宽效率的任何失败,数据评估。
The advantage of adaptive equalization over coding and spread spectrum is that a modem with adaptive equalization provides high data rates without any loss in bandwidth efficiency.
最后,论文以ARAPA原模图ldpc码为分量码,结合多级编码调制(MLC)技术,设计了一种兼顾带宽和功率效率的编码调制系统。
Finally, a multilevel coding (MLC) scheme with ARAPA protograph LDPC codes as component codes is designed. This scheme takes both bandwidth and power efficiency into account.
这种方法能够更加有效的利用空间光调制器的有限的空间带宽积。
This technique is more efficient in its utilization of the space-bandwidth product of the SLMs.
然而,因为他们的分别网络技术的不同,数传订户专线使用者可用的最大的带宽通常比最大值电缆低调制解调器率。
However, the maximum bandwidth available to DSL users is usually lower than the maximum cable modem rate because of differences in their respective network technologies.
然而,因为他们的分别网络技术的不同,数传订户专线使用者可用的最大的带宽通常比最大值电缆低调制解调器率。
However, the maximum bandwidth available to DSL users is usually lower than the maximum cable modem rate because of differences in their respective network technologies.
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