为了解决大口径大偏离量非球面高精度检测问题, 提出子孔径拼接与补偿器混合补偿检测模型。在被检测非球面镜面形精度未达到干涉仪......

针对F 数为4 的高次非球面，设计了一套基于平行光束照射的高精度补偿器。系统工作波长为632.8 nm，设计残差为0.0018 λ 。提出了求解......

本文给出一种特殊复合延迟片——复合片补偿器。改变入射线偏振光的振动方位角,便可改变补偿器的延迟量,调整简单,精度高。......

In this paper, according to the features of easy distortion and scratch for aspheric plastic lens, a non-contact measuri......

A frequency compensation control method for the opposed-piston two-stroke folded-cranktrain( OPFC) diesel engine’s comm......

Novel red-emitting phosphors Sr2MgSi2O7:Eu3+ were prepared by gel-combustion method assisted by microwave. The phase str......

A novel red phosphor Eu3+ doped magnesium titanate (MgTiO3) was synthesized via sol-gel method. The X-ray diffraction pa......

Because variations of ultra-capacitor voltage and battery voltage generate subharmonic and chaotic behaviors in hybrid e......

A signal processing method for high-speed underwater acoustic transmission of image is presented.It has two parts.Part 1......

This paper investigates the problem of real-time estimation for one kind of linear time invariant systems which subject ......

An adaptive polarization mode dispersion (PMD) compensation experiment is reported in a 40-Gb/s phase shaped binary tran......

This paper reports that the designed optical polarization mode dispersion compensator shows a good performance under the......

A series of CaMoO4 phosphors doped with trivalent dysprosium ions (Dy3+) and lithium (Li+) were prepared by solid state ......

We present the birefringence measurements induced in K9 specimen by cracks produced by 1 064-nm Nd:YAG laser. The birefr......

Tb 3+ -doped Ca2BO3Cl compounds with different charge compensation approaches are synthesized by a high-temperature soli......

The structure and photoluminescence (PL) properties of Sr3SiO5 : Sm3+ and Li+-doped Sr3SiO5 : Sm3+ red-emitting phosphor......

ZnS:Cu, Eu nanocrystals with an average diameter of ～ 80 nm are synthesized using a hydrothermal approach at 200 C. The p......

鞍山红一变高压静止无功补偿装置(static var compensator,SVC)工程是中国第一个电网SVC国产化示范工程。SVC主要用来替代变电站原......

采用同步电压反转(synchronous voltage reversal,SVR)触发控制的可控串联补偿电容(thristor controlled series compensator,TCSC......

A 3DOF (three degrees of freedom) helicopter attitude control system with multi-operationpoints is described as a MIMO ......

This paper discusses modeling,simulation and control strategy of a novel 10kV transformerless static synchronous compens......

The fuel dynamic transfer process,including fuel injection,fuel film deposition and evaporation in the intake port,was a......

The paper deals with the problem of stabilization of stationary bifurcation solutions of nonlinear systems via dynamic o......

为了无需定制补偿透镜或者计算全息等就能实现对非球面光学元件的检测,提出了非零位补偿测试非球面的方法。对非零位补偿检验非球......

As one of the most exciting inspection and powerful analysis methods in modern materials metallographic examinations, th......

A novel fuzzy logic compensating (FLC) scheme is proposed to enhance the conventional computed-torque control (CTC) str......

This paper investigates the boost phase’s longitudinal autopilot of a ballistic missile equipped with thrust vector con......

A robust control algorithm is proposed to focus on the non-linearity and parameters’ uncertainties of an electro-hydrau......

Friction is one of the main factors that affect the positioning accuracy of motion system. Friction compensation based o......

Since the dead zone phenomenon occurs in electro-hydraulic servo system,the output of the system corresponding to a sinu......

A robust control algorithm is proposed to focus on the non-linearity and variables of the hydraulic press machine with t......

Flatness is one of the most important criterion factors to evaluate the quality of the steel strip. To improve the strip......

A series of new red-emitting BaCa1-2xBO3F:xEu3+, xM+ (M=Li, Na, K) phosphors were synthesized by the solid-reaction meth......

In this paper, a strategy for the reactive power compensation and harmonic suppression of the power supply system in HT......

Sequential control applied to the International Thermonuclear Experimental Reactor(ITER) poloidal field converter system......

针对某些飞行器控制系统中对象的参数会随时间剧烈变化的特点,可通过添加系统灵敏度补偿器来降低系统对参数变化的灵敏度,从而改善......

A passive heave compensator is designed to enhance the operation safety of a 4.5 km remotely operated vehicle (ROV).This......

In 40 Gb/s systems with low polarization-mode dispersion(PMD) fibers,first-order PMD is the dominate factor with quite s......

A novel dispersion slope compensator is proposed and fabricated using a sampled fiber grating. The dispersion slope of ......

Either amplitude based methods or phase based methods are usually used in multibeam bathymetry system and chosen in prac......

A low cost 8 x 10-Gb/s transmission system over 1500 km on conventional fiber using chirped fiber Bragg grating (CFBG) a......

A 40-Gb/s optical time division multiplexing (OTDM) return-to-zero (RZ) transmission experiments including a dynamic pol......

An improved algorithm based on the layer peeling (LP) method is proposed and demonstrated. The new method is shown to be......

A dynamic first-order polarization mode dispersion (PMD) compensator based on garnet and yttrium vanadate crystal has be......

Polarization mode dispersion(PMD) is considered to be the ultimate limitation in high-speed optical fiber communication ......

A simple two-section polarization mode dispersion(PMD) compensator is proposed for multichannel PMD compensation, which ......

Orthogonal frequency-division multiplexing (OFDM) systems are sensitive to carrier frequency off- set (CFO) which introd......

A birefringence photonic crystal fiber is used for PMD compensation in a single-channel 40Gbit/s-speed optical communi- ......

The adaptive polarization mode dispersion(PMD) compensation in high-speed transmission system has become more and more n......

为改善传感器的动态响应特性 ,对其输出结果进行动态补偿是一个有效方法。本文介绍了传感器动态补偿的原理 ,基于递归网络模型的良......