Chinese translation for "differential detection"
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- 差动探测
差分检波 差分检测 差示检测 示差检测,鉴别检测 微分检波
Related Translations:
- 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. | In this thesis , we focused our attention on demodulation and digital signal processing ( dsp ) technique in the dpsk differential detection system used in pico - satellite test and control instructions , mainly from the point of view of software 论文围绕皮卫星通信中测控指令的dpsk差分解调系统,重点从软件角度对通信解调技术和数字信号处理的一系列问题进行了实践和研究。 | | 4. | This thesis researched the time synchronization method for 2d - ss system , and deeply discussed the bit error rate ( ber ) performance of multicarrier domain spread spectrum chip - level differential detection ( mc - ss - cldd ) in the presence of multi - user interference 本论文从多载波扩频通信系统出发,提出了广义二维扩频系统的同步算法,并对多载波频域扩频码片级差分检测技术在多用户情况下的系统性能进行了深入的研究。 | | 5. | In this paper , research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver . / 4 - dqpsk is chosen as digital modulation scheme . the scheme of demodulation is baseband differential detection . sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking 系统的发射机选定/ 4 - dqpsk为调制方式,接收机采用基带差分解调的非相干解调方式,滑动相关器捕获发送的pn序列,早迟门同步器跟踪符号同步,使用相关器对同步后的符号进行最佳判决,并在这些算法实现的基础上,实现了直接序列扩频和解扩技术。 | | 6. | 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。 | | 7. | ( 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。 | | 8. | 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。 | | 9. | 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。 | | 10. | A / d samples the intermediate frequency signal . the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation , baseband differential detection and symbol synchronization , etc . digital up converter supports interpolation filter and complex mixer A / d对中频信号进行采样,数字信号处理部分以tigersharcdsp为核心,负责基带采样数字信号的处理,实现基带信号调制,基带差分解调,符号同步的捕获和跟踪等算法。 |
- Similar Words:
- "differential depletion" Chinese translation, "differential deplex" Chinese translation, "differential deplex system" Chinese translation, "differential destructive distillation" Chinese translation, "differential detachment" Chinese translation, "differential detector" Chinese translation, "differential determination" Chinese translation, "differential device" Chinese translation, "differential diagnosis" Chinese translation, "differential diagnosis instrument" Chinese translation
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