附录中证明了复fir滤波器相位转换定理。
In the appendix, the phase conversion theory of complex FIR filters is proved.
纳鲁相位转换形态下,召唤的能量圈持续时间和它的说明不相符。
Shifting Naaru Sliver summons a Power Circle for a duration inconsistent with its tooltip.
基于相位转换技术的多模分频器由于其在工作频率和功耗中能更好地折中而得到广泛的应用。
Multi-modulus divider(MMD) based on phase-switching technology finds wide application due to good trade-off between operating frequency and power consumption.
LVDT输出信号的波幅与相位转换成与微控制器内部ADC兼容的形式,一般需要添加外部电路。
Conversion of an LVDT's output signals' amplitude and phase into a form compatible with a microcontroller's internal ADC usually requires additional external circuitry.
本文介绍了时钟网络中抖动、相位噪声、偏移、频率稳定度等参数的概念以及它们之间的转换关系。
The paper introduce the concepts of timing parameters, including: jitter, phase noise, skew, frequency stabilization, and the relationship between them.
用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位;
The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain.
通过镜像映射将非稳定过程转换成最小相位系统,然后用闭环增益成形算法求解鲁棒控制器。
An unstable process is transformed into a minimum-phase system through mirror-injection, then solve the robust controller using closed loop gain shaping algorithm.
提出了利用相位调制器和色散补偿光纤(DCF)把非归零(NRZ)码信号转换成为占空比可调的归零(RZ)码信号的方案。
Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
采用了非最小相位系统参数模型转换为参数模型的控制器的设计。
Using the non minimum phase system parameter model transformation of the model for the controller design.
直接数字频率合成器dds具有极高的分辨率、频率转换速度快、相位噪声低等优点。
Direct Digital Synthesizer (DDS) has the advantages of high frequency resolution, rapid frequency change rate and low phase noise.
当滤波器失谐量较大时,得到同相波长转换结果,此时交叉相位调制(XPM)占主导作用,而滤波器起到提取啁啾信息的作用。
And the non-inverted conversion is obtained by large filter detuning, which is used to extract the frequency chirps, and in this condition the cross phase modulation (XPM) is dominant.
为了实现宽频信号的相位测量,需要运用信号变换理论对输入信号的频率进行转换。
In order to achieve broadband signal phase measuring, theory of signal transformation is demanded to achieve the frequency transformation of input signal.
本论文对基于SOA中交叉增益调制(XGM)效应和交叉相位调制(XPM)效应的波长转换器进行了较全面的理论分析和仿真研究。
In this paper, wavelength conversions based on cross-gain modulation (XGM) and cross-phase modulation (XPM) in SOA are studied both in theory and computer simulation.
声源激发的电磁波在频率与相位特征上不同于转换电磁波。
The electromagnetic wave radiated by the acoustic source is evidently different from the converted electromagnetic wave in frequency and phase.
讨论了准相位匹配(QPM)技术中的非线性光频转换谐波振幅方程和谐波转换效率。
The harmonic amplitude equation and the generation efficiency of nonlinear optical frequency conversion(NOFC)in quasi-phase-matching (QPM) were discussed.
结果表明,相位测量的理论误差为零,幅度测量的理论误差可用修正系数消除,且使用较低位数的DA转换器,可得到高准确度的结果。
The results show that the phase error of the vector measurement is zero, and amplitude errors can be eliminated, and high measurement accuracy can be obtained by using low bit D/A converter.
选择强度相位的转换曲线,将输入图像的强度信息转化成伪相位信息,并显示在滤波器上。
The pseud phase distribution, which is translated from intensity distribution of the image by a conversion rule, is shown on this given filter.
可以证明,其模值与相位之间存在着可以相互转换的关系。
It can be proved that certain relation exists between the amplitude and phase.
DDS的优点是具有极高的分辨率、频率转换速率快、相位噪声低等;缺点是杂散度抑制比性能差,很难做到- 65d B。
DDS has both the advantages of high frequency resolution, rapid frequency change rate and low phase noise and the disadvantage of bad spur suppression performance with Max value of -65 dB.
这种直接数字式频率合成技术(DDS)具有频率值转换速度快、频率值分辨率高、控制频率的相位值连续等优点。
The technology of DDS has many values, such as the speed of hopping frequency is very high, the resolving power of frequency is also high.
本文提出一种利用硅基微环线形滤波功能的全光超高速开关键控码型(ook)到相位键控码型(PSK)的格式转换方案。
A scheme to achieve ultrahigh speed all-optical format conversion from on-off keying (OOK) to phase-shift keying (PSK) by using the linear filtering in the silicon ring resonators is proposed.
传统DDS通常采用ROM查找表实现从相位到幅度的转换。
Traditional DDS applies a ROM look-up table to realize the phase-to-amplitude conversion.
针对零阶保持器引起的幅度误差和相位误差,以及D/A转换器有限字长引起的误差进行了较为详细的分析,并进行了D/A误差仿真试验。
This paper mainly describes the amplitude and phase errors caused by zero-order holder and the error caused by finite word length of D/A, and computer simulation test of D/A error is also introuced.
同时在反相位模式和在同相位模式操作的运动转换器(64)产生工件的复杂运动。
The motion converter (64), operating simultaneously in an opposing phase mode and in phase modes, produces a complex motion of the workpiece.
通过优化泵浦相位调制的配置,平衡受激布里渊散射抑制和泵浦相位调制造成的转换闲频光信号劣化,可以使转换闲频光信号的劣化得到有效的抑制。
By optimizing the pump phase modulation configuration, the converted DPSK idler's degradation can be dramatically decreased through balancing SBS suppression and pump phase modulation degradation.
研究结果表明,群速度失配会导致二倍频光脉冲宽度的增大和转换效率的降低,非线性相位调制使二倍频光脉冲形状发生畸变,降低转换效率。
The results show that group-velocity mismatching is the main reason of the broadening of the second harmonic pulse and could lead to the decrement of conversion efficiency.
继电器具有相位故障保护和从手动转换为自动重置的功能。
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
继电器具有相位故障保护和从手动转换为自动重置的功能。
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
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