The power penalty of direct modulation is smaller than that of external modulation at the same crosstalk level.

Analysis of Non-Adjacent Channel Crosstalk Level of AWG Device Induced by Random Phase Errors

相位误差对AWG波分复用器非相邻通道串扰影响的分析

Characteristics of the scattering parameters for two parallel microstrip lines are analyzed based on microwave network principle. Relation between the frequencies where crests and troughs occur in the insertion loss or the far-end crosstalk and propagating delays of odd-and even-modes, the parallel length is deduced.

根据微波网络理论，对两根平行微带线的散射参数进行了研究，推导出了插入损耗和远端串扰的幅频曲线中波峰、波谷点频率与奇偶模的传播时延、互连线长的关系。

However, in far-end crosstalk, its sub-channels exist still a lot of frequency spectrum overlapping and increase error-rate.

在远端串扰时，其各子信道仍然存在着较大的频谱重叠，使误码率增加。

At the same time the design process of crossover pipe system is elaborated and the optimal graphic formula is selected to avoid vertical thermal disadjustment phenomena caused by zero delivery set by upper user in crossover pipe system.

阐述了跨越管系统的设计过程，以避免上层用户将跨越管设置调节为零流量，而导致系统重新出现垂直的热力失调现象。

Simple talk about crossover pipe system

浅谈跨越管系统

Fuzzy edge detection is affected by the choice of crossover point which two sides pixels of are contrasted.

其中模糊边缘检测法比较依赖于参数的选择，其渡越点两边的像素区别明显；

Approach on break crossover point diastrophism direction of break coal intersecting line drawing in complex structure area

复杂构造区断煤交线绘制法中断裂交点错动方向的探讨

This is well below the compression driver's crossover point.

而这又是低于压缩驱动器的分频点的。

Researchers at the Weizmann Institute of Sciences in Israel have calculated that by the end of the year, the world will have reached a crossover point where human-made stuff outweighs1 that of living things.

以色列魏茨曼科学研究所（Weizmann Institute of Sciences）的研究人员经计算得出，到今年年底，世界将到达一个转折点，即人造物体的总重量超过生物的总重量。

The algorithm is based on the adaptive mutation operator and crossover operator that adjusts the crossover rate and frequency of mutation of each individual, and adopts the gradient of the individual to decide their mutation value.

该算法基于自适应交叉概率算子和变异算子，根据进化代数和群体的适应值，动态调整各个个体的交叉概率和变异概率，并在变异量的确定上引入了梯度的概念。

The interpolation precision of pulse multiplier-based fine interpolator is related with the max feed rate, pulse equivalent of CNC, interpolation cycle, and output pulse frequency of pulse generator and the main reason of its error production comes from the rounding processing of crossover frequency number.

基于脉冲乘法器原理的精插补器的插补精度与最大进给速度、机床系统的脉冲当量、插补周期以及脉冲发生器的输出脉冲频率有关，其误差产生的主要原因是由分频数圆整造成的。

As loudspeaker radiation varies according to frequency, LF and HF drivers have intrinsically different radiation patterns whose directivity-known as'Q'-changes at the crossover frequency.

由于音箱的辐射因频率的不同而不同，因此低频和高频驱动单元具有本质不同的辐射模式，其方向性，也就是常说的“Q”，在交叉频率处发生变化。

Pole placement design with open-loop crossover frequency constraint for three-loop autopilot contactless distributor in remote control

三回路驾驶仪开环穿越频率约束极点配置设计

The Crossover frequency of the gene is compared with genetic markers of known position on the chromosome.

将基因交换频率与染色体上已知位点的遗传标记进行比较。

The bandwidth of non-minimum phase system can't reflect dynamic characteristics. Crossover frequency ω_c is the performance index instead of the bandwidth, and the ω_c must be less than the non-minimum-phase zero a.

非最小相位系统的带宽不能反映系统的动态特性，应该采用穿越频率ωc代替带宽作为性能指标，且ωc应小于非最小相位的零点a。

According to the improved pulse compensation circuit, the relation between pulse compensation and crossover frequency of the voltage loop is analyzed, and the parameters of the voltage loop are optimized.

在优化的脉动补偿环节的基础上，分析了脉动补偿和电压环穿越频率的关系，对电压环部分的参数作了优化。

Being based on the theory of band-pass crossover network, this paper brings for-ward the design and analysis of two usually confusable crossover network which are in common use.

根据带通式分频网络的原理，提出了常用的两种容易混淆的分频网络的设计与分析方法。

The research about components with the method of Bragg gratings to implement free space optical crossover network

体正弦光栅法自由空间交叉光互连元件的研究

The passive crossover network features a thermal protection system on the HF section providing audibly transparent protection for the compression driver.

被动分频网络功能，对高频提供出声透明的压缩驱动程序保护科热防护系统。

Principe and Design of Band Pass Type of Crossover Network

带通式分频网络的原理和设计