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reference
    This paper describes a current reference applied in the integrated circuit. It adopts voltage of 2.5 V and 0.25 μm RF CMOS process.
    设计了一种应用于集成电路内部的基准电流源,采用2.5 V/0.25μm RF CMOS工艺。
    In the design of current reference,the little variation of K′(μCox) and VTH,ΔKN′ and ΔVTH,can affect the accuracy of the current reference. A special circuit structure is designed based on a PTAT voltage reference and the variations of K′(μCox) and VTH are compensated.
    在电流源设计中,由工艺产生的K′(μCox)和VTH的偏差,ΔKN′和ΔVTH,会影响基准电流Iref的精确度,在原有PTAT基准电流源的基础上给出了一种电路结构,该电路能补偿ΔKN′和ΔVTH对基准电流的影响。
    Due to the great influence on the angle measurement,to adopt the local strapdown reference is proposed.
    由于船体变形对测角影响很大,给出采用局部捷联基准来减小船体变形影响的建议。
    The results show the temperature coefficient is 2.93×105 ℃ between the temperature range of-50 ℃ to +100 ℃ and the PSR is the-84.2 dB.The band-gap output voltage is within 2.5±0.0012 V when the supply voltage is between 3.5 V and 6.5 V.Therefore,it is an effective way to implement a band-gap voltage reference.
    仿真结果表明,在-50~+100℃温度范围内温度系数为2.93×10-5℃,电源抑制比达到-84.2 dB,电源电压在3.5~6.5 V之间均可实现2.5±0.0012 V的输出,是一种有效的基准电压实现方法。
    At last,the processed rock acoustic emission signals in some practical project are used as reference signals and added with white noise,then the acoustic emission signals before and after wavelet analysis is analyzed with correlation analysis,the results show that the wavelet basis Db4 in Daubechies wavelet group is an effective wavelet basis for rock acoustic emission signal processing. So it lays a foundation for the processing of rock acoustic emission signal and the exact determine of Kaiser point.
    以处理后的工程实际岩石声发射信号为基准信号并加入白噪声,利用相关分析对小波变换前后的信号进行分析,结果表明,Daubechies小波族中的Db4是进行岩石声发射信号处理的合适小波基,从而为利用小波分析理论进行岩石声发射信号处理以及准确地找出岩石的Kaiser点奠定了一定的基础。
    Based on the principle of flash A/D converter(ADC),a novel triple-stage flash ADC architecture is proposed for 8-bit resolution,to reduce power dissipation and area,which is realized by using segmented comparison to reduce the number of comparators and substituting a new reference region selecting cell for MDAC and residue amplifier.
    为了降低A/D转换器(ADC)的功耗和面积,基于Flash ADC原理,利用分级比较方式,减少ADC比较器数目,并源自全新的基准区间选通逻辑模块,替代MDAC和残差放大单元;
    This paper introduces a CMOS band-gap reference, which aims at application in LCD display driving IC. The circuit is designed using a standard Chartered 3.3V 0.35μm 18V technology.
    介绍一种用于LCD驱动中的带隙基准电压源,采用Chartered 3.3V 0.35μm18V高压CMOS工艺,产生5个不同的负温度系数,以便于LCDpanel的选择。
    The simulation with SmartSpice is carried out(using) a 0.6 μm CMOS process. The results indicate that the effective temperature coefficient can arrive at 6×10(-6)/℃,the fluctuation of the output reference voltage is less than 3 mV when the power voltage changes from 3.8 V to 5.5 V.
    在0.6μm CMOS工艺条件下,电路的各项性能指标采用Sm artSp ice进行模拟验证,结果表明有效温度系数可以达到6×10-6/℃,电源电压从3.8 V变化到5.5 V时,输出的基准电压波动不到3 mV。
    Results The lactulose and lactulose/mannitol of control group(0.093 1%±0.008 5% and 0.132±0.021)were higher than those of normal reference value(0.015 0%±0.002 0% and 0.020±0.005)(P<0.05).
    结果对照组尿液中乳果糖含量为0.0931%±0.0085%,乳果糖/甘露醇比值为0.132±0.021,与正常基准0.0150%±0.0020%和0.020±0.005比较,差异均有统计学意义(P<0.05);
    The lactulose and lactulose/mannitol of HGF group(0.039 6%±0.009 0% and 0.056±0.013)were also higher than those of normal reference value(P<0.05).
    HGF组乳果糖含量为0.0396%±0.0090%,乳果糖/甘露醇比值为0.056±0.013,与正常基准比较差异均有统计学意义(P<0.05),且低于对照组(P<0.05)。
    The analysis, experiment and application of new filler material of RFPE (Reference Free Part Encapsulation) technique is introduced.
    介绍了无基准零件封装(Reference Free Part Encapsulation—RFPE)夹具中的填充材料研究、试验和应用情况。
    This paper briefly introduces the composing and principle of the reference station in RBN/DGPS.
    本文简要地介绍无线电信标/差分全球定位系统(RBN/DGPS)基准站的组成与工作原理。
    Under the different conditions with and without SA,the residual errors of pseudorange correction and position in the reference station were largely measured and evaluated,and the results were analyzed.
    在SA取消前后的不同状态下,对基准站的伪距改正量残差及位置残差等数据进行了大量测量、统计与评估,并对其结果进行了分析。
    The circuit is especially suitable for the A/D, D/A, power management application as the IP core of the voltage reference block.
    此电路可作为IP Core广泛应用于A/D、D/A、电源管理等芯片中的电压基准电路。
    In this paper, a bandgap reference circuit, which has a supply voltage of sub-1-V and generates a voltage of 0.61 V, has been designed based on a 0.8μm BiCMOS technology.
    本文设计了一个在0.8μm BiCMOS工艺、低于1V电源电压下的带隙基准电压源,能稳定产生0.61V的基准电压。
    Using UMC 0.6μm BCD technology, 2μA reference current has been designed.
    采用UMC0.6μm BCD工艺,实现2μA基准电流;
    The circuit precisely controls the oscillator frequency by using constant current to charge and discharge for capacitance and by using voltage reference to precisely control capacitance voltage.
    该电路通过开关管的通断,利用固定电流源产生的电流信号对电容进行充放电,并且通过偏置网络中基准电压源产生的基准电压信号精确控制电容的充放电电压,从而精确控制振荡器的频率。
    Location of the reference points and the feature points for human face recognition
    人脸识别中基准点的选取与特征点定位
    CALCULATION OF PHYSICAL EXERGY OF LIQUID HYDROCARBONS USING GAS REFERENCE PHASE
    基准相态为气相的液态烃物理计算
    A Simple CMOS Bandgap Voltage Reference with High PSRR
    一种高电源抑制比CMOS能隙基准电压源
 

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