The components occur at infinitisimally small frequency.
频率分量 也趋向于零。
DDS Chip AD9850 has precise output frequency, small frequency interval, and high signal to noise ratio.
DDS芯片AD 9850具有输出频率精确、频率间隔小、易于调谐、信噪比高等优点。
The results show risk factors have great influence on big frequency floods and small little impact in small frequency floods.
结果表明,风险因素对大频率洪水影响较大,对小频率的洪水影响甚微。
But because of the sensitivity to the carrier frequency-offset, very small frequency offset will destroy the performance of the OFDM system, badly.
但是,OFDM对载波频偏非常敏感,很小的载波频偏都会严重影响OFDM系统性能。
The frequency and order in which small parts may occur in larger parts is specified by operators — mostly the same symbols you see in regular expressions.
由运算符—通常和您在正则表达式中看到的符号相同—来指定小部件在较大的部件中出现的频率和顺序。
It does this by fitting small piezoelectric acoustic sensors to parts of the structure to detect the particular frequency of noise caused by a crack in aircraft-grade aluminium.
把小型压电声传感器安装到这种构造部位上,检测由航空级铝材裂纹所致的特定频率的噪音,靠这样就能监测飞机裂纹。
Some residents and visitors in the small city of Taos, New Mexico, have for years been annoyed and puzzled by a mysterious and faint low-frequency hum in the desert air.
美国新墨西哥州小城陶斯的部分居民和访客多年来一直为沙漠空气中一个神秘而微弱的低频嗡嗡声而苦恼和困扰。
Therefore the size of the WIP_ARCHIVE table can be kept to a reasonably small size, depending on the frequency at which the transfer of data is performed.
因此根据该数据转移的执行频率,wip_archive表的大小可以保持得相当小。
They "want" to oscillate at a given frequency in the same way that a violin string does — a small amount of energy fed into the system, in almost any form, creates the oscillation.
它们“想”以小提琴琴弦一样的方式在给定的频率上进行振动——在小提琴中,以几乎任何形式馈入系统中的少量能量产生了振动。
Inactive people should start with small amounts of physical activity and gradually increase duration, frequency and intensity over time.
缺乏活动的人在开始时应做少量的身体活动,并随时间逐步增加活动时间、频率和强度。
If the link frequency count is small, make the line black; and if it is large, make it bright red.
如果频率计数很小,那么使用黑色表示;如果频率计数较高,则使用亮红色表示。
Our digital data link USES the frequency spectrum allocated to small UAS much more efficiently than the analog link it replaces.
我们的数字数据链采用频谱分配给小型无人机的效率远远高于模拟系统。
At ground level, such vibrations-akin to low-frequency sound waves-are very small, only about the size of the vertical motions that produce them.
在地表,这种类似于低频声波的振动非常小,只相当于造成它们的垂直振动的幅度。
If the tables are small or if the frequency of queries that would make use of the functional index is small, then you may not benefit from creating a functional index.
如果表非常小,或者不经常执行使用函数索引的查询,那么创建函数索引可能收效甚微。
The trains are likely to have between 650 and 1200 seats; the use of small trains with higher frequency or larger trains operating less frequently could well affect passenger Numbers.
高速列车座位数在650到1200座不等,列车根据载客量多少运行(载客量较少的列车发车间隔较短,载客量较大的列车发车间隔较长)可有效影响客流量。
That is because such systems use high-frequency (and therefore short-wavelength) radio waves that readily bounce off small objects that they encounter.
因为该系统往往使用高频电波(所以波长较短),当遇到很小的物体时( 译者注 :波长短,频散很严重,导致探测深度浅。
So, similarly in a case where instead we have a small energy difference, we're going to have a low frequency, which means that we're going to have a long wavelength here.
在这个例子里,能量差较小,我们得到的频率低,这意味这它的波长更长。
In practice, we did not find this occurring with any real frequency except in environments that had a large number of users contending for a very small pool of conference rooms.
实际上,我们一般碰不到这种情况,除非在某些环境中,有大量的用户争用很少的会议室。
For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
对固定的参数激励频率和阻尼,当参数激励幅值较小时梁的运动是周期的,但大幅值激励会使运动通过倍周期分岔变为混沌。
The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given.
理论上基于载流子消耗机制,对激光器型波长转换器进行了小信号分析,给出了频率响应函数。
Servo motor has small start frequency, can quickly from the lowest revolution accelerated to the rated speed.
伺服电机有很小的启动频率,能很快从最低转速加速到额定转速。
Cyclic goods - taking is an optimum logistics system network, it features more frequency, small batch and timing.
循环取货方式是一个优化的物流系统网络,其特色是多频次、小批量、定时性。
It has the higher switching speed and frequency and can be used as the pilot valve for a larger flow rate valve, or as a direct control valve for small flow rate hydraulic loop.
该阀具有很高的切换速度和频率,可以用来作为大流量高速开关阀的先导控制阀,也可以在小流量回路中直接作为控制阀使用。
In this paper, we divided the double frequency crystal into numerous small double frequency units and derived the harmonic power and the double frequency efficiency in each unit.
本文中将倍频晶体分割成无数多个小倍频单元,并导出每个倍频单元中的谐波功率与倍频效率。
TACHOMETER generator, a small electric generator for supplying current at a frequency proportional to the speed of rotation.
测速发电机,提供频率与转速成比例的电流的小发电机。
Advantage is relatively easy to produce, linear, and distortion of small, wide frequency response.
优点是制作相对容易,线性好、失真小、频响宽。
When positions of a microphone and a woofer are exchanged in a small rectangular room, a similar frequency response curve can be obtained.
在矩形小房间内,低音扬声器和传声器的位置互换后,测量得到的低音扬声器的频响曲线与互换前是一致的。
Small distributed capacitance and high resonance frequency.
分布电容小,自共振频率高。
Machine vibration frequency high, 3000 ~ 3600 times per minute, amplitude small-only 0.5 ~ 1, can be used in the viscous drug screening points, its screening efficiency.
该机振动频率高,每分钟3000 ~ 3600次,振幅小只有0.5 ~1,可以使用于粘性药分的筛分,其筛分效率高。
Machine vibration frequency high, 3000 ~ 3600 times per minute, amplitude small-only 0.5 ~ 1, can be used in the viscous drug screening points, its screening efficiency.
该机振动频率高,每分钟3000 ~ 3600次,振幅小只有0.5 ~1,可以使用于粘性药分的筛分,其筛分效率高。
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