English translation for "差分检测"

differential detection

Related Translations:

对称差分:  symmetric difference

累差分:  repeated difference

差分装置:  differential attachment

差分方程组:  system of difference equation

差分检波:  difference detectiondifferential detection

有限差分:  difference; finitefinite differencefinite-difference

差分方程:  difference equationsdifferential equationfinite difference equationfinite-difference equationrecurrence relation

差分编码:  delta encodingdifferential codingdifferential encoding

差分信号:  differential signal

差分回波:  differentiated echo

Example Sentences:

	1.	However , on the other hand , compared with coherent detection , differential detection comes with an evident loss of performance 但相比于相干检测,差分检测在性能上也会有相当的损失。
	2.	Because of the simplicity of differential detection system , we could consider to apply it to the selective fading channels instead of coherent detection 由于差分检测的简单易实现性,当信道衰落比较严重时,可以考虑采用该方法替代相干检测。
	3.	Another alternative is consists of two steps , the first step is adjacent difference , the second step is to search the motion regions in the frame being processed 在进行运动区域提取时，多数文献都直接采用临帧差分检测法，这种方法会影响检测精度。
	4.	Second is to study the moving object detection by difference between images and the problems produced by thresholding , then enhance the image and get its contour 然后研究了差分检测运动物体后的二值化问题，指出二值化后图像存在的问题以及图像特征增强的方法，并找出运动物体的边缘。
	5.	Because of the time variation of wireless channel , getting the exact channel estimation and good synchronization is difficult for the receiver , so that the differential system could be an attractive choice 由于信道的时变特性,用户的快速移动等原因,在某些无线应用中,对于同步和获得信道的精确估计值都十分困难,在这种情况下,差分检测就成为了一种很有吸引力的方案。
	6.	Moreover , the demodulation is simulated with matlab to ensure the essential conditions for the detection system to run normally . ( 2 ) a simple and general hardware stage is built , on which the dpsk signal will be differentially demodulated and processed 在给定系统的技术指标基础上，利用matlab对解调过程进行仿真，确定差分检测系统正常工作需要满足的条件； ( 2 )采用软件无线电的思想，构造了简单通用的硬件平台，软件完成dpsk差分解调和数字处理。
	7.	The method and performance according to the requirements are resolved mostly . main contents as follows : ( 1 ) according to the demodulation guideline , a differential detection system is applied to the dpsk signal demodulator , which is based on the analysis and comparison using the principle of optimal binary signal detection 着重解决在皮卫星体积结构，重量和功耗限制条件下的方案选择和性能问题，具体内容包括： ( 1 )对一般二进制信号的最佳检测原理进行分析比较，针对本系统要求选择了dpsk信号差分检测系统的方案。
	8.	( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping , by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively , differential detection can be adopted . not only improves system performances in ber , but also resists the interference such as mai , and does n ' t need any control devices to evaluate the optimum decisive threshold 通过给每个用户指定互相关为0的两个地址码分别发送1和0信号以及在接收端采用差分检测技术，避免了ook (开关键控)光通信系统中0不发送光脉冲和ook常规检测方式下最佳判决门限必须根椐用户数等外界环境而改变，从而提高了系统性能和降低了系统的复杂度。
	9.	The main characteristics and advantages are : on one hand , we adopted the low - complexity bussgang algorithm , and did blind estimation to ofdm sub - channel according to the mean square error criterion ( mse ) and peak distortion criterion ; on the other hand , we used the differential detection , which accelerates the convergence speed and avoid the error transmission problem resulted from the bussgang algorithm 这两种算法一方面采用了低复杂度的bussgang自适应算法，分别依据均方误差准则和峰值失真准则对ofdm系统子信道进行盲估计；另一方面通过引入差分检测技术，加快了算法收敛速度，克服了bussgang算法带来的误差传播问题。
	10.	In order to make up this gap , this paper presents a differential detection scheme that serial concatenate a ldpc code to form a iterative detection cycle . moreover , under different channel conditions , simulations show that this scheme can improve the differential system performance considerably , of which may be meritorious to the applications 所以针对这种情况,本文在第四章提出了一种级联ldpc码的turbo差分检测方案,并通过仿真说明,在级联不同码率的ldpc码下,该方案都可以使差分系统获得明显的性能增益,具有一定的应用价值。

Similar Words：

"差分计算" English translation, "差分继电器" English translation, "差分加热" English translation, "差分检波" English translation, "差分检波器" English translation, "差分检流计" English translation, "差分键控" English translation, "差分接口" English translation, "差分结构" English translation, "差分解调" English translation