base band 中文意思是什麼
base band
解釋
【無線電】基（本頻）帶。-
Design of cell phone base band synchronization module
手機基帶同步模塊的設計 -
The research of base band ijf coding and modulation technologies
編碼調制技術的研究 -
Design and realization of a base band signal error code measuring apparatus based on fpga technology
的基帶信號誤碼測試儀的設計與實現 -
Ais system is composed with communication processing module, base band processing module, radio module and interface module
Ais系統由通信處理模塊、基帶處理模塊、射頻模塊和介面模塊組成。 -
Meanwhile, cmos technology, due to its mature application in base band uses, draws more and more attentions in rf area
由於cmos工藝在基帶電路的成熟應用，其在射頻中的地位也逐漸被人們所重視。 -
This paper focuses on the base band process based on the core chip - csm5000 and sheds light on some key technologies
本文論述了wau中基於csm5000晶元的基帶處理系統開發，對若干關鍵技術進行了研究。 -
With the development of aerospace industry, the multifunctional terminal equipment for base band has been developed in recent years
隨著我國航天事業的發展，國內已成功研製出集多種功能為一體的航天測控綜合基帶設備。 -
Base band data processing is implemented in the integrated communication controller for user - friendly communication and configuration via spi interface
Ax6042通過靈活的spi配置和數據處理，客戶可以低成本的mcu完成控制。 -
Also designed this part of correspondences procedure process and procedure codes. the thesis takes a simple introduction about the data transmission on base band
論文對數據基帶傳輸編碼做了簡單介紹，闡述了數字基帶信號的碼型選擇的原則。 -
The main contributions of this dissertation include : introduce the basic concept and class of pcma and then set up the base band transmission model
本文承擔的主要工作如下: 1 、介紹pcma技術的基本概念與分類，分析其原理，然後建立了系統的基帶傳輸模型。 -
A kind of technique of base - band figuration in digital communication systems
一種數字通信系統中的基帶信號成形技術 -
Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "
由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制，目前的軟體無線電系統多採用折中的實現方案，增加專用的數字變頻器或者運行數字變頻演算法，將射頻信號變頻到中頻，然後再進行基帶信號處理，這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ，它並不是真正意義上的軟體無線電。 -
Compared to the analogy or the base - band sampling solution, this structure not only enhanced the system mobility, the flexibility and stability, but also reduced the cost, moreover it may be a public platform, which realize multi - purpose and multi - service patterns communication signal despread and demodulation, has fully reflected the thought of software radio
與採用模擬或基帶采樣解擴解調方式相比，這種結構既增加了系統的機動性、靈活性和穩定性，同時價格大幅下降，而且可以作為一個公用平臺，實現多功能、多制式通信信號解擴解調，充分反映了軟體無線電的思想。 -
It has also been proved correct in practice by testing with cooperator. the paper analyzed the character of our radio and introduced the procedure of designed base band frame architecture. it showed the application of channel coding in our radio, and encode / decode method implemented in dsp
本文針對本電臺的特點介紹了基帶幀結構的設計，重點介紹了幾種常用通道編碼在本電臺的應用，以及編解碼方法在dsp中的實現，並從理論上分析了通道編碼給本電臺帶來的處理增益。 -
The synchronization of frequency hopping method referenced the jtrs radio system of usa military, and designed a synchronization method used in our radio include creating the frequency hopping map and the base band frame architecture in frequency hopping mode. the paper also analyzed the synchronization capability on theory. it has been proved correct on theory by showing the false probability, capture probability and the synchronization time
對跳頻圖案的產生和跳頻的幀結構，本文不僅從理論上分析了同步性能，給出了虛警概率和檢測概率，估算了同步的捕獲時間，證明均能滿足系統指標要求，而且通過與合作單位進行的整機聯調和實測證實了該方案的可行性。 -
The scrambling and descrambling technologies include non - disturbing frequency method, analog base band disturbing method, the radio - frequency signal disturbing method, the digital disturbing method for the analog signal and the digital signal disturbing method, etc. after the introduction a project based on the compression of the rf synchronous information is formulated
本文綜述了目前常用的幾種主要的電視信號的加解擾技術，如非擾頻加解擾技術、模擬基帶加解擾技術、射頻信號加解擾技術、模擬信號的數字處理加解擾技術以及數字信號加解擾技術等。 -
Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源，致力打造「移動谷」 ，創造中國浙江經濟特有的專業版塊模式：從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb （電路板） 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發，形成完整的通信產業鏈。 -
The design of hardware module includes a / d converter, ddc ( digital down converter ), duc ( digital up converter ) and dsp. the design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the base - band signal processing of dsp
收發信機硬體設計主要包括： a d 、 d a轉換器、數字下變頻器（ ddc ） 、數字上變頻器（ duc ）以及dsp ，論文詳盡介紹了a d器件ad6640 、 ddc器件ad6624和dsp器件tms320c5410的設計和應用；收信機軟體設計主要包括： ddc濾波器參數設計和dsp的基帶信號處理，給出了dqpsk調制、解調演算法的dsp實現。 -
The structure and circuits of high resolution adc ’ s modulator which applied in audio signal range with 20khz base band and 16 bits resolution have been researched
本文對一種適用於音頻信號范圍的高精度模/數轉換器的調制器部分進行了結構和電路研究，基帶頻率20khz ，精度16位。 -
The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given
首先從降低鄰近碼間干擾原則出發，討論了基帶成形的基本原理與升餘弦滾降濾波器的時頻特性，重點分析將理想的滾降波形g （ t ）數字化后對頻譜的影響，並且根據系統指標，確定了各項參數，給出了具體的設計舉例和模擬結果。
分享友人