impedance的例句大全

A New Method of Calculating the Characteristic Impedance of Rectangular Line with Circular Inner Conductor

一种计算具有内圆柱导体矩形线特性阻抗的新方法

The characteristic impedance of the coaxial system consisting of a circular outer conductor and an irregular inner conductor

圆形外导体-复杂形状内导体同轴传输线特性阻抗的计算

Analog front-end circuit consists of preamplifier, low pass filter circuit and back stage amplifier circuit, preamplifier circuit instrumentation amplifier is used because it has a high input impedance, high common mode rejection ratio ( CMRR), low noise, and low drift.

模拟前端电路由前置放大电路、高低通滤波电路和后级放大电路组成，前置放大电路用的是仪表放大器，因为它有高输入阻抗、高共模抑制比（CMRR）、低噪声、低漂移。

In circuit design of linear potentiometer, owing to the influence of input and output impedance for front and back stage circuits, and its absurd installation, linear potentiometer will cause nonlinear response. It makes to fall short of precision of circuits and control system.

在线性电位器的电路设计中、电路前后级的输出和输入阻抗的影响以及使用与安装不当都可能引入非线性，造成电路和控制系统的精度达不到要求。

High impedance is best defined as the level at which interferences cause significant errors.

对高阻的最好解释是干扰会引起明显误差的阻抗水平.

To study obesity in rural middle school by measuring weight and height and Bioelectrical Impedance analysis. The results show that the obesity morbility is 14. 85% in 842 students aged 14-19 years, male 15.10% and famale 14.55%.

江苏省泰兴市农村中学生的肥胖发生率的流行病学调查表明：14～19岁中学生肥胖的检出率为14.85%，其中男生为15.10%，女生为14.55%。

It has been found that the neutral point diodes only functions when an alternator works at speed of higher than 3.3 times of free running speed and the resistance of the load is less than the impedance of one stator winding.

确定了中性点二极管发挥作用的转速条件和负载条件，即发电机转速高于3.3倍空载转速、负载电阻小于一相定子绕组的阻抗。

It is shown that the even-odd mode impedance changes rapidly with frequency, especially when the dielectric constant er is small.

结果还表明该结构的偶-奇模特性阻抗Z（eo）随频率变化很大，当相对介电常数εr较小时，变化更大。

A.C. Impedance Technique ── A New Methods to Determine the Changes of Microstructure in the Process of Cement Hydration in Situ

交流阻抗技术&一种动态检测水泥水化过程微结构变化的新方法

Cascode device exhibits a slight lower of f T, a less feedback, a largely greater of maximum available gain and a higher impedance compare to that of common source device.

与共源器件相比，共栅共源器件表现出稍低的fT、较低的反馈、显著增加的功率资用增益及较高的端口阻抗。

Audiometer: Pure Tone Audiometer, Impedance Audiometer;

听力计：纯音听力计、阻抗听力计；

All children underwent routine otoscopic examinations of ear, nose and throat, and were also examined using the Madsen acoustic impedance audiometer.

均进行耳科常规及声阻抗检查，发现腭裂患儿中耳静态压力与声顺值，声镫骨肌反射引出率都低于正常儿童。

Image signal, after compressing process, is modulated, amplified, isolated, and transmitted to the ground through 3000m single armored cable. It is, then, extracted through impedance matching and demodulating.

压缩处理后的图像信号经过调制、放大、隔离，由3000m单芯铠装电缆传输到地面，在地面进行阻抗匹配和解调提取信号。

General Impedance Converter based on AOA and it's Application

基于AOA的广义阻抗变换器及其应用

Methods To check on objective acoustic impedance and subjective pure tone audiometry.

方法对外伤性聋进行客观声导抗测试和主观纯音测试。

Application of impedance audiometry in diagnosis of noise-induced hearing loss

声导抗测试在噪声性听力损失诊断中的应用

Functional evaluation of eustachian tube in patients with otitis media using multi-slice spiral CT and impedance audiometry

多层螺旋CT与声导抗测试对中耳炎咽鼓管功能的评价

The audiometric zero level has been measured in the frequency range 2-100 Hz, with particular attention to frequencies below 25 Hz. A Direct Determination for Hearing Threshold of Bone Conduction by Using Impedance Head

本文对低频段的听力零级进行了测量，得到了两个不同测试组在2Hz&100Hz频率段的阈值曲线。纯音骨导听力零级的测定

We followed up 25 subjects in 1-2 weeks, the results of pure-tone audiometric testing and acoustic impedance audiometry of 24 subjects were normal, and had no significant differences to those examined before administration.

给药后1-2周，共随访到25例正常受试者，其中24例复查纯音测听和声阻抗测试都在正常范围，与受试前纯音测听结果相较未见明显差异。

Impedance aggregometry can also be done in thrombocytopenic patients.

阻抗法血小板聚集试验也可用血小板减少的病人.