偏

Electrometers are known for their low input bias current, which is usually a few femtoamps.

静电计以低输入偏置电流而闻名，其输入偏置电流通常在几个飞安。

These two pairs exhibit different offsets and bias currents, so when the applied input common-mode voltage changes, the AMPLIFIER input offset voltage and input bias current does also.

由于这两个差分对有不同的失调电流和偏置电流，因此加到输入共模电压变化，放大器的输入偏置电压和输入偏压电流也跟着改变。

The input offset voltage is fixed for a particular amplifier, however the contribution due to input bias current is dependent on the circuit configuration used. For minimum offset voltage at the amplifier input without circuit adjustment the source resistance for both inputs should be equal.

对于一个给定的OP，输入失调电压就已经给定了，但是由输入失调电流所带来的失调电压与所采用的电路结构有关系为了减小输入偏置电流所带来的失调电压，应该使得使得同、反相输入端对地的直流电阻相等，使得由于偏置电流在输入电阻上压降所带来的失调电压相互抵消。

aining at high impedance weak signal measurement,the relations among measuring precision,input impedance and input bias current,the guard technology is applied to design a measuring circuit with guard circuit,adding a guard potential to low-impedance nodes of circuit,the effect of leakage current is reduced.using spice simulation and validates that guard circuit can increase the input impedance of the system and lower the input bias current,the results show that the guard circuit provids a valuable solution for high accuracy measurement of the high impedance weak signal.

摘 要：针对高阻抗微弱信号测量问题，对测量精度与系统输入阻抗、输入偏置电流的关系进行分析，应用保护技术设计了带保护电路的测量电路，将电路中的低阻抗节点加上保护电势，减小漏电流的影响。通过pspice仿真分析，验证保护电路能提高测量系统的输入阻抗和降低输入偏置电流，结果表明保护电路技术能实现对高阻抗微弱信号的高精度测量。

This current is known as the input offset current, and it's caused by bias currents of active devices as well as by leakage currents through insulators within the instrument.

这种电流称为输入偏置电流，是由有源器件的偏置电流以及流过仪器内部的绝缘子的泄漏电流所引起的。

Furthermore, with the help of the proposed algorithm, the integral frequency offset in time domain can be obtained without FFT transform, that will reduce the computation complexity for the synchronization in MIMO-OFDM systems.

分析表明，新方法具有定时准确检测概率高和小数频偏估计准确的优点，并且利用该算法可以在时域直接估计整数频偏，无需进行FFT运算，从而降低了系统同步的计算量。

Uniformity of dose and energy distribution along the interior surface was studied either. The influential factors and their way of working were analyzed.

研究表明，圆筒内表面PⅢ存在着比较严重的注入能量偏低和注入剂量偏低的问题。

Using it to control the polarization state of signal beam, the intrinsical polarization sensitivity of FW...

将这种方法与正交偏振双抽运方法结合起来，能较简单地实现偏振不敏感且具有近似常数转换效率的宽带四波混频光波长转换

The output waveform may be offset with respect to ground if the inverting input of the threshold detector, A1, is offset with respect to ground.

如果阈值检测器A1的反相输入端对地有一个偏置电压，那么输出波形也将带有一个对地的偏置。

A color camera records five isoclinic images coupled with isochromatics from a plane polariscope with five different settings in white light, respectively.

其特点是在白光入射下平面偏振仪光学系统中，用彩色数码相机采集包括背景光强在内的不同偏振场设置下的五幅彩色图像，通过运算就可以得到[0—π／2]范围内的等倾角。

The X-ray diffract was used to analyze the crystal structure of the composite. Results show that after the talc was treated with blend coupling agent, the crystal structure of talc changed, and effect Intercalation phenomenon.

通过X射线衍射分析可知，用混合偶联剂对滑石粉进行预处理后，滑石粉晶体结构发生改变，产生了插层现象，使PP／滑石粉复合材料为纳米复合材料。

An authentic Maui wedding might require the services of a 'kahu', which is a Hawaiian minister.

毛伊可能需要一个真实婚礼服务'kahu'，这是夏威夷部长。