low-frequency的例句大全

High and low frequency instruments for measuring impedance of skin

高频及低频皮肤电阻测量仪

Continuous Current Circuit Applied to Improving Low Frequency Characteristic of Stepping Motor

改善步进电机低频特性的续流回路方法

Ice cover in certain wire with often occur dance, it is a kind of low frequency, the large amplitude of self-excited vibration.

覆冰导线在一定风速下将会产生舞动，舞动是一种大振幅、低频率的自激振动。

The base and emitter transit time increase and the cutoff frequency decreases at low temperature due to the trapping effect of shallow energy level impurities.

而由于浅能级杂质的陷阱效应，低温下基区和发射区渡越时间变长，截止频率下降。

A Study on Wearing Capacity of Twist Drill and Chip Breaking Under Low Frequency Vibration

低频振动钻削的工具磨损和断屑问题研究

The uses of thermosetting resin have problems of low toughness, short corona resistant time, lower breakdown strength filed on adhesive and impregnating varnish aspect. This restricted its use on high voltage electromotor and frequency conversion system.

目前热固性树脂在绝缘粘合剂和浸渍漆方面的应用存在着韧性低、耐电晕时间短、击穿场强低等问题，这就限制了其在高压电动机及变频调速系统绝缘中的广泛应用。

Portable equipment for measuring receiving voltage sensitivity of hydrophone at low frequency

便携式水听器低频接收电压灵敏度特性测量仪

The cut-off frequency of this filter can be controlled by dc biasing current, meanwhile, the low sensitivity characteristics of passive electrical network is also reserved.

截止频率可通过电流进行控制，同时保持了无源网络低灵敏度的特点。

To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance ( SR) in a bistable model is investigated by using a frequency scale transformation method.

为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。

Booster compressor noise has the characteristics of wide frequency band, intense low fre-quency sound and considerably high total sound pressure level.

增压机噪声具有频带宽、低频声强烈，且总声级又相当高的特性。

Traditional grid-connected inverter employs low frequency output isolation transformer . It increases weight and cost.

传统的并网逆变器输出端采用工频变压器,体积重量大,成本高.

The low frequency radiation of common mode current is proportional to current length.

低频情况下共模电流之远场辐射正比于线电流之长度.

The low frequency radiation of common mode current is proportional to area enclosed by current.

低频情况下异模电流之远场辐射正比于电流包围之面积.

The high and low doses of the effective fraction of Sini Powder ( 600mg/ kg, 300mg/ kg) antagonized the descent of body temperature and ptosis induced by reserpine, and increased significantly the frequency of mouse head flick induced by 5-HTP.

四逆散有效部位大、小剂量（600、300mg/kg）可以拮抗利血平降低小鼠体温、引起小鼠眼睑下垂的作用，明显增加5-HTP诱导小鼠的甩头次数。

At70 ℃, an AC impedance spectrum shows that the low frequency can partly reflect the capacitive reactance arc caused by corrosion product film.

70℃时，交流阻抗谱低频部分出现由腐蚀产物膜引起的容抗弧。

The low-frequency inductance loop emerged at the water content of20%. It disappeared with increasing water content and a single capacitive impedance loop was observed.

含水量较低时，X70钢在大港滨海盐渍土中腐蚀的电化学阻抗谱会出现低频感抗弧，随着含水量的增加，低频感抗弧消失，表现为单一的容抗弧。

Exploring fluctuation mechanism of hydraulic components in low frequency pressure accompanied with incipient cavitation

对液压元件初生气蚀伴生低频压力脉动机理的新探索

The relationship between the sleep stage and the ultra-low frequency components of HRV is also considered.

在特征提取中还考虑了HRV中 超低频分量和睡眠的关系.

After the rough estimation, it can acquire the frequency offset with low computing complexity, and matrix including channel information simultaneously, which are favorable for offset compensation and demodulation of received signals. Numerical simulations can illustrate the performance of this algorithm.

该算法计算量小，容易获得频率偏移量，同时可得到蕴涵信道信息的矩阵估计，有利于接收信号的频率偏移补偿和解调。

UWB is an emerging wireless technology capable of high data rate transmission over a wide spectrum of frequency band with very low power.

UWB（超宽带）是一种以极低功率在短距离内高速传输数据的无线技术。