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- Major frequency band of knock 爆震特征频带
- Finding out the major concentrated frequency band of tool-wear information can enhance SNR(Signal Noise Ratio) and improve tool-wear degree recognition result. 找出刀具磨损信息在可听阈内的主要集中频段能提高切削声信号的信噪比,改善识别结果。
- Its frequency band of main amplifier is 200MHz (3dB), output voltage is about 0.8V and its sensitivity is -39dBm at BER=10~(-9). 其主放带宽为200MHz(3dB);输出电压V_(pp)值为0.;8V;接收灵敏度在10~(-9)误码率下为-39dBm。
- It is also demonstrated that the negative permittivity and permeability frequency band of DNM could be turned by changing the DNM structure cell. 通过改变双负材料的结构单元可以实现对负介电常数和负磁导率频段的调控。
- In this paper, the problem of the signal extension about frequency band of electric filter in accurate rescontructure/reappearance was studied. 本文对滤波器频带精确重构／再现中的信号外延问题进行了讨论。
- In contrast with general IP data acquisition,DNM expands frequency band of power, widens sampled time and raises detective rate. 与传统的激发极化数据采集方法相比，电场差分法增加了供电的周期，扩大了采样的时间区段，提高了采样的速度。
- This paper introduces the principle and frequency band of JTIDS system,analyzes its anti-jamming capability and the necessary number of channel interference. 文章简要介绍了JTIDS系统的原理和频段,分析了它的抗干扰性能和拦阻式干扰所需要的干扰信道数。
- He was waylaid by a band of guerrillas. 他遭到游击队的狙击。
- Increase in damping weakens the maximum impeding effect, but it widens the frequency band of im-Pedimellt and improves the frequency selectivity accordingly. 阻尼增加虽降低了最佳的阻抑效果，但抑制的频带宽了，改善了阻抑效果的频率选择性；
- The RCS over a frequency band of a notched and hollow metallic sphere is computed, and that of a notched dielectric cube is also calculated.The results are then analyzed. 随后计算了导体开槽空心球体和各向同性介质开槽立方体的宽带RCS频率响应特性，并对结果进行了分析。
- They are very compact in time and the frequency bands of interest are narrow. 它们在时间上是非常紧致的同时有意义频带是狭的。
- Increase in damping weakens the maximum impeding effect, but it widens the frequency band of impediment and improves the frequency selectivity accordingly. 阻尼的增加虽降低了最佳的阻抑效果,但能够使抑制的频带变宽,改善了阻抑效果的频率选择性;
- He was attacked by a band of ruffians. 他遭到一伙暴徒袭击。
- Initially RFID tags worked only at frequency bands of 13.56 megahertz or lower. 早期的射频识别标签只能在13.;56百万赫兹或更低的频率下作用。
- A band of robbers held up the train. 一群强盗抢劫了火车。
- During the stepped and dart leader propagating from cloud to ground, the peak frequency band of the average energy spectra reduces from high to low frequency band, indicating that the size of the breakdown is increased gradually. 梯级先导和直窜先导过程初始阶段辐射能量主要集中在较高频段,而接近地面时则集中在较低频段,表明先导在向地面发展过程中放电尺度逐渐增大。
- Bands of soldiers ravaged the village. 成群的士兵洗劫了村庄。
- The band of thieves decamped in the night. 窃贼团伙星夜潜逃了。
- Bands of outlaws lived in the forest. 成群的歹徒犯法后栖身于树林中。
- Bands of soldiers ravaged the countryside. 成群的士兵洗劫了乡村。
