無失真波 的英文怎麼說
中文拼音 [wúshīzhēnbō]
無失真波
英文
undistorted wave-
The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊，當開關管接收控制信號脈沖列（經調制的spwm波列）導通時，在低頻調制信號的正半周或負半周內，施加在變壓器繞組上的是同一方向的電壓，變壓器磁芯中的磁通可能將級進地逐漸增加，導致磁芯飽和，造成磁偏或單向磁化，導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。The basic technologic scheme on microwave transmission, currently maturate and advanced microwave transfer technology and equipment, efficiency slot gap antenna, character quality filter, mixer, exact crystalloid concussion apparatus, power backspacing technology, pre - distortion adjustment. furthermore, the technologic schemes practicing using multilevel microwave transfer technology in some areas such as lengshuijiang is introduced in the paper
採用了當前比較成熟、先進的微波傳輸技術和設備，如高效的縫隙天線、高品質濾波器、混合器、高精密的晶體震蕩器、功率回退技術、預失真校正技術，結合工程實際，設計了湖南電廣網路33家合資公司的mmds無線微波數字電視覆蓋的基本技術方案，和個別地區（冷水江市數字微波工程）的多級微波傳輸的具體技術方案。Frequency response, quantization noise, reconstruction error and its sensitivity to mismatch among adcs are studied at length in prqmf banks adc system, and the theoretic results include : ( 1 ) the distortion / aliasing functions of hybrid filter banks adc system is similar with that of switch capacitor filter banks adc system ; ( 2 ) for wide or narrow band input signal, the effective resolution of the two adc systems is 0. 51og2m bits higher than their adc ; ( 3 ) reconstruction error ' s sensitivity to mismatch among adcs of the two adc systems is reduced effectively than time interleaved adc system
2對prqmf濾波器組adc系統的頻響、量化噪聲特性、重建誤差特性以及重建誤差對adc間的失配敏感性進行了理論分析研究，所得到的理論結果為： （ 1 ）混合濾波器組adc系統與開關電容濾波器組adc系統的失真/混迭函數一致； （ 2 ）無論輸入寬帶還是窄帶信號，這兩種adc系統的有效解析度均比其adc提高了0 . 5log _ 2m比特； （ 3 ）這兩種adc系統的重建誤差對其adc間的失配敏感性均明顯低於時間交織adc系統。4. bring forward a now zero - watermark technology and scheme in the dwt domain. this paper changes the traditional and common scheme that embeds watermark into original image and brings forward a new zero - watermark technology. this method starts from the motive of watermark to solves the image authenticate problem without embedding any data into image. it not
4 .在小波域內提出了一種新的零水印技術及其解決方案本文突破了傳統的「向原始圖像中嵌入水印」的常規解決方案，創造性提出了一種新的零水印技術，該方法從數字水印的根本目的出發，不通過向圖像中嵌入任何數據而解決圖像的版權認證問題，不但使圖像無任何失真，而且水印的魯棒性好，此外該方法還可實現數據隱藏功能，是一種非常新穎的、前景看好的數字水印技術。2. the sign of temperature is by extracted mini - thermal - electronic - couple transducer, and amplified by preamplification circuit and main magnifier. the processed data are sent to the computer after a / d conversion, which is displayed in curve form through the software controlling panel built by delphi 3
設計製作了無失真、抗干擾的溫度信號檢測電路，實現了加熱過程的實時溫度監測，尤其解決了以往由於金屬材料在微波場中的熱傳導及歐姆熱效應而引起的干擾問題。Abstract ： conventional ups systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components
摘要：對于非線性負載所引起的諧波失真，傳統的逆變系統通常採用復雜的大規模無源元件濾波方案來濾除。Multi - path fading and doppler shift of wireless mobile channels would generate interference to signals, as a result, waveform of the received signal would be distorted, and channels would be interrupted if the interference is severe
無線移動通道的多徑衰落和多普勒頻移會對信號產生干擾，導致接收信號波形失真，嚴重者會造成通信的中斷。分享友人