frequency的例句大全

Analysis of Partial Correlation Digital Pulse Compression of Linear Frequency Modulation Signal

LFM信号的部分相关数字脉压分析

Multiple normal correlation Simulation of the Non-Orthogonal Multi-modulation with Frequency, Time and Phase Shift

频时相移非正交多重调制（NMT/FTPS）的仿真研究

Next, the theoretical analysis method of code tracking performance in non-white interference environment is presented, which is followed by the discussion on the effects of interference frequency, bandwidth and receiver correlator spacing on code tracking accuracy.

给出了非白色干扰环境中的码跟踪精度理论评估方法，并讨论了干扰频点、干扰带宽及接收机相关器间隔对码跟踪精度的影响。

The 2 S signal is obtained by 16f_c dividing frequency.

2S信号由16fc分频得到。

Test Method Based on the PC Sound Card to Test the Frequency of Electric Mains Precisely

基于PC声卡的电网电源频率精密测试方法

For each of the 59, we looked at three different factors: career points per game ( the standard barometer for scorers), career points ( giving credit to longevity) and career true shooting percentage ( giving credit to efficiency, whether earned with close-range shots, long-range buckets or free-throw frequency).

对于这59人，我们看三个不同的因素：场均得分（标准计分法），生涯总得分（考虑到职业生涯寿命），生涯真实投篮命中率（考虑得分效率，无论是近距离得分，远距离得分还是罚球频度）。

When the measured signal has a very wide frequency chart especially in the fast signal measurement field, in order to easily satisfy the high fidelity requirement that Bandwidth of Long Transmission Line, it is necessary for expanding the Bandwidth of Long Transmission Line.

当被测量信号具有很宽的频谱，尤其是在快脉冲信号测量中，为了测量数据在传输过程中满足高保真度的要求，必须对远距离传输线进行带宽扩展。

An Analysis of Noise Bandwidth after Doubling the Signal Frequency

信号倍频后噪声频宽的分析

Meanwhile, various receiver modules are designed respectively to accept step frequency signal, and their properties are simulated, such as receiver bandwidth, VSWR and so on.

然后分别设计了实现接收步进频率信号的接收机的各个模块，并仿真了它们的性能，如接收机带宽、驻波比等。

Minimum FBE as the genetic algorithm optimization goal, by selecting, crossover and mutation operations, genetic algorithm searches the optimal combination of center frequency and bandwidth within the range, then optimal filter is designed.

以频带熵最小为遗传算法的优化目标，通过选择、交叉、变异等操作，在取值范围内寻找最优的中心频率和带宽组合，设计优化滤波器。

The two ultra-high frequency outer antenna sensors are made with wide band and narrow band respectively. The gain of two sensors is both greater than 1 and VSWR of the sensors is less than 2 in effective bandwidth range.

研制了宽带和窄带两种超高频外置天线传感器，两种传感器增益均大于1，驻波比在其有效带宽范围内均小于2，均能用于GIS局部放电超高频检测。

The intensity of palaeomagnetic field, the proportion and frequency of palaeomagnetic polarity reversal, and the rate of true polar wandering may display the periodic changes in the geological history and are closely related to the opening and closing, and may be restricted to the global factors.

古地磁场强度、古地磁场极性倒转比例、古地磁场极性倒转频率和真极移速率在地史上均呈周期变化，与开合构造关系密切，同受全球性因素制约。

The frequency of mind wandering as a characteristic is stable, and the content will be a certain tendency.

心智游移的频率作为一种特质，具有稳定性，而内容也会出现某种倾向性。

The analysis found that the individual will determine the level of mind wandering frequency.

通过分析发现，个体意愿的投入程度决定着心智游移频率的高低。

Relations among frequency, return period and risk rate of hydrologic events

水文事件的频率、重现期和风险率之间的关系

The Design of High Frequency Fluorescent Lighting Ballasts IC

高频荧光灯镇流器芯片的设计

Compared with general time delayed filter, the controller depresses the high frequency components of the command input, and reduces the excitation of the vibratory modes and ballistic motion of the system.

与常用的时滞滤波器相比，能抑制控制信号的高频成分，降低未建模动态激励和运动冲击。

Influence of temperature and feeding frequency on the growth of ephyra of jellyfish ( Rhopilema esculentum) ground bait

温度、投饵频次对海蜇碟状体生长的影响投入水底引鱼的诱饵

The system's global characters are obtained under different input torque fluctuation, backlash, composite transmission error, exciting frequency and damping ratio.

得到了系统在不同的输入转矩波动、齿侧间隙、齿轮综合误差、激励频率和阻尼比参数下系统的全局特性。

A combined error calibration technique with experiment for frequency-space spectrum estimation

空间频谱估计中的误差综合矫正技术及其实验研究