原理和优缺点 meaning in English
pros and cons
Examples
- In the second chapter , some conunon used cryptograph algorithins are introduced , including the algorithms used in synunetric cryptosystem and asyrnmetric cryptosystem . we describe the theory of each algorithins and compare the elliptic curve cryptosystem with the other two asyinmetrc cryptosystems to show the advantages of this algorithin
包括常用的私钥密码算法和公钥密码算法，说明各种算法的原理和优缺点，重点将椭圆曲线算法与其他几种公钥密码算法比较，说明椭圆曲线算法的优势。 - The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power , and analyzes the principles of work , merts and shortcomings of these technologies , based on the absorption of these technologies , it designs a 1 . 5v low power rail - to - rail cmos operational amplifier . when designing input stage , in order to enable the input common mode voltage range to achieve rail - to - rail , it does not use the traditional differential input pair , but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure , and uses the proportional current mirror technology to realize the constant transconductance of input stage . in the middle gain stage design , the current mirror load does not use the traditional standard cascode structure , but uses the low voltage , wide - swing casecode structure which is suitable to work in low voltage . when designing output stage , in order to enhance the efficiency , it uses the push - pull common source stage amplifier as the output stage , the output voltage swing basically reached rail - to - rail . the thesis changes the design of the traditional normal source based on the operational amplifier , uses the differential amplifier with current mirror load to design a normal current source . the normal current source provides the stable bias current and the bias voltage to the operational amplifier , so the stability of operational amplifier is guaranteed . the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本论文对国内外的模拟低电压低功耗技术做了广泛的调查研究,分析了这些技术的工作原理和优缺点,在吸收这些技术成果基础上设计了一个1 . 5v低功耗轨至轨cmos运算放大器。在设计输入级时,为了使输入共模电压范围达到轨至轨,不是采用传统的差动输入结构,而是采用了nmos管和pmos管并联的互补差动输入对结构,并采用成比例的电流镜技术实现了输入级跨导的恒定;在中间增益级设计中,电流镜负载并不是采用传统的标准共源共栅结构,而是采用了适合在低压工作的低压宽摆幅共源共栅结构;在输出级设计时,为了提高效率,采用了推挽共源级放大器作为输出级,输出电压摆幅基本上达到了轨至轨;本论文改变传统基准源基于运放的设计,采用了带电流镜负载的差分放大器设计了一个基准电流源,给运放提供稳定的偏置电流和偏置电压,保证了运放的稳定性;并采用了带调零电阻的密勒补偿技术对运放进行频率补偿。 - Furthermore , it can not give the electric signal relative to wavelength , so it is not fit for the auto - controlling in the industry manufacture . many researchers focus on the demodulating bragg wavelength and achieve some demodulation technologies . the paper presents several demodulation technologies used commonly at home and abroad
论文介绍了几种目前国内外较为成熟的解调技术,并对这些解调技术的实验原理和优缺点进行了分析,通过比较得出:可调谐f - p腔滤波解调法具有体积小、精度高、价格低廉、稳定性好等众多优点,适合于实际工程使用,有广泛的应用前景。 - And that system has a great help especially for the safeguard and solving cases . aimed at advancing the speed of extracting the key characters , improving the veracity , cutting down the cost of time and space , this task put forward a new template thinning algorithms after analyzing the principle , disadvantages and advantages of many thinning methods including condition thinning , template thinning and thinning in morphology maths . this algorithm with good collection has less thin - hair , and avoid excessive erosion
为了使计算机识别时能很快的提取关键特征，提高准确度，减少时空耗费，本课题在分析了多种传统的条件细化、模板细化、形态数学上的细化等多种细化方法的原理和优缺点后，提出了一种新的模板细化算法，该算法毛刺较少，避免了过度的腐蚀，同时具有良好的连通性。